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AMS Sectional Meeting Full Program

Current as of Saturday, October 13, 2007 00:36:28

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Program  |  Deadlines  |  Registration/Housing/Etc.  |  Inquiries:  meet@ams.org

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2007 Fall Central Section Meeting
Chicago, IL, October 5-6, 2007 (Friday - Saturday)
Meeting #1030

Associate secretaries:
Susan J Friedlander, AMS susan@math.northwestern.edu

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Friday October 5, 2007

• Friday October 5, 2007, 7:30 a.m.-4:00 p.m.
  Meeting Registration
  Lobby (8th Floor), Lewis Center
• Friday October 5, 2007, 7:30 a.m.-4:00 p.m.
  Exhibit and Book Sale
  Lobby (8th Floor), Lewis Center
• Friday October 5, 2007, 8:30 a.m.-10:50 a.m.
  Special Session on Sequence Spaces and Transformations, I
  Room 1107, Lewis Center
  Organizers:
  Constantine Georgakis, DePaul University cgeorgak@condor.depaul.edu
  Martin Buntinas, Loyola University of Chicago mbuntin@math.luc.edu
  

  • 8:30 a.m.
    A Survey of G\"{u}nther Goes' Research Work II.
    Martin G Buntinas*, Loyola University Chicago
    (1030-40-135)
  • 9:30 a.m.
    Abel Summability of Laguerre and Jacobi Functions Expansions.
    Calixto P. Calderon*, University of Illinois at Chicago
    (1030-42-166)
  • 10:30 a.m.
    On some recent results on sequence spaces.
    R N Mohapatra*, University of Central Florida
    (1030-40-212)
• Friday October 5, 2007, 8:30 a.m.-10:55 a.m.
  Special Session on Analysis and CR Geometry, I
  Room 8207, DePaul Center
  Organizers:
  Song-Ying Li, University of California Irvine sli@math.uci.edu
  Stephen S-T Yau, University of Illinois at Chicago yau@uic.edu
  

  • 8:30 a.m.
    Regularity of solutions of non-subelliptic PDE's.
    David S Tartakoff*, University of Illinois at Chicago
    (1030-32-420)
  • 9:00 a.m.
    Positive closed currents on pseudoconcave sets with thin fibers.
    Zbigniew Slodkowski*, University of Illinois at Chicago, Dept. of Mathematics, Stat. and Comp. Sci., Chicago, Illinois 60607
    (1030-32-384)
  • 9:30 a.m.
    Remarks on overconvergence.
    Harold P. Boas*, Texas A&M University
    (1030-32-177)
  • 10:00 a.m.
    Extension of Levi-flat hypersurfaces past CR boundaries.
    Jiri Lebl*, University of Illinois at Urbana-Champaign
    (1030-32-45)
  • 10:30 a.m.
    Chern-Weil forms on CY moduli.
    Zhiqin Lu*, UCI
    (1030-58-114)
• Friday October 5, 2007, 8:30 a.m.-10:50 a.m.
  Special Session on Algorithmic Probability and Combinatorics, I
  Room 1006, Lewis Center
  Organizers:
  Manuel Lladser, University of Colorado lladser@colorado.edu
  Robert S. Maier, University of Arizona rsm@math.arizona.edu
  

  • 8:30 a.m.
    Phase Changes in Subtree Varieties in Random Trees.
    Hosam M. Mahmoud*, The George Washington University
    (1030-60-129)
  • 9:00 a.m.
    On the Number of $k$-Cousins in Tries and Suffix Trees.
    Hosam M. Mahmoud, The George Washington University
    Mark Daniel Ward*, Purdue University
    (1030-60-370)
  • 9:30 a.m.
    Quantum random walks in one dimension via generating functions.
    Andrew Bressler*, University of Pennsylvania, Department of Mathematics
    (1030-05-155)
  • 10:00 a.m.
    A Hybrid of Darboux's Method and Singularity Analysis in Combinatorial Asymptotics.
    Eric Fusy*, Simon Fraser University, Vancouver
    Philippe Flajolet, Projet ALGO, INRIA Rocquencourt, France
    Xavier Gourdon, Paris, France
    Daniel Panario, School of Mathematics and Statistics, Carleton University, Ottawa
    Nicolas Pouyanne, Université de Versailles Saint-Quentin en Yvelines, France
    (1030-05-80)
  • 10:30 a.m.
    Effective methods in multivariate asymptotics.
    Robin Pemantle*, University of Pennsylvania
    (1030-05-13)
• Friday October 5, 2007, 8:30 a.m.-10:50 a.m.
  Special Session on Smooth Dynamical Systems, I
  Room 8012, DePaul Center
  Organizers:
  Marian Gidea, Northeastern Illinois University mgidea@neiu.edu
  Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu
  

  • 8:30 a.m.
    Geometric methods for instability in Hamiltonian systems.
    A. Delshams, Universidad Politecnica de Catalunya
    M. Gidea, Northeastern IIllinois University
    R. de la Llave*, Univ. of Texas at Austin
    T. M.-Seara, Univ. Politecnica de Catalunya
    (1030-37-317)
  • 9:00 a.m.
    Arnold diffusion for non polynomial perturbations of an a-priori unstable Hamiltonian system.
    Gemma Huguet*, Universitat Politecnica de Catalunya
    Amadeu Delshams, Universitat Politecnica de Catalunya
    (1030-37-79)
  • 9:30 a.m.
    Shadowing orbits for transition chains of invariant tori.
    Clark Robinson*, Northwestern University
    (1030-37-178)
  • 10:00 a.m.
    Dynamics of Volume-Preserving Maps near a Saddle-Node-Hopf Bifurcation.
    James D Meiss*, University of Colorado
    (1030-37-52)
  • 10:30 a.m.
    A result regarding the boundary map of an attractor-repeller pair.
    Catalin Georgescu*, Department of Mathematical Sciences, The University of South Dakota
    (1030-37-359)
• Friday October 5, 2007, 9:00 a.m.-10:55 a.m.
  Special Session on Nonlinear Conservation Laws and Related Problems, I
  Room 8010, DePaul Center
  Organizers:
  Cleopatra Christoforou, University of Houston cleopatra@math.uh.edu.
  Gui-Qiang Chen, Northwestern University gqchen@math.northwestern.edu
  

  • 9:00 a.m.
    Time analyticity and backwards uniqueness of weak solutions of the Navier-Stokes equations of multidimensional, compressible flow.
    David Hoff*, Indiana University
    Eugene Tsyganov, Indiana University
    (1030-35-14)
  • 9:30 a.m.
    Global Solution to the Multi-Dimensional Equations of Compressible Magnetohydrodynamic Flows.
    Dehua Wang*, University of Pittsburgh
    (1030-35-15)
  • 10:00 a.m.
    A bound from below for the temperature in compressible Navier-Stokes equations.
    Antoine Mellet, UBC, Vancouver, Canada
    Alexis F. Vasseur*, University of Texas at Austin
    (1030-35-12)
  • 10:30 a.m.
    Optimal regularity near sonic line for regular shock reflection.
    Myoungjean Bae, University of Wisconsin-Madison
    Gui-Qiang Chen, Northwestern University
    Mikhail Feldman*, University of Wisconsin-Madison
    (1030-35-33)
• Friday October 5, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Applied Harmonic Analysis, I
  Room 8002, DePaul Center
  Organizers:
  Jonathan Cohen, DePaul University jcohen@math.depaul.edu
  Ahmed I. Zayed, DePaul University azayed@math.depaul.edu
  

  • 9:00 a.m.
    Cyclic frames, burst erasures and statistics.
    Bernhard G Bodmann*, Department of Mathematics, University of Houston
    (1030-42-252)
  • 9:30 a.m.
    Rotational invariance and multiresolution analysis for 2D and 3D-image analysis.
    Juan R Romero, University of Houston
    Manos Papadakis*, University of Houston
    Saurabh Jain, University of Houston
    Simon K Alexander, University of Houston
    Shikha Baid, University of Houston
    (1030-41-361)
  • 10:00 a.m.
    Decomposition and generalized wavelet bases on fractals.
    Palle E. T. Jorgensen*, The University of Iowa
    (1030-41-06)
  • 10:30 a.m.
    Applications of the Theory of Self-Adjoint Extensions of Symmetric Operator in Sampling and Interpolation.
    Yufang Hao*, Department of Applied Mathematics / University of Waterloo
    (1030-43-110)
• Friday October 5, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Singular Integrals and Related Problems, I
  Room 8011, DePaul Center
  Organizers:
  Laura De Carli, Florida International University decarlil@fiu.edu
  A. M. Stokolos, DePaul University astokolo@condor.depaul.edu
  

  • 9:00 a.m.
    On Besov-Lipschitz spaces for Hermite polynomial expasions for any $\alpha >0$.
    Ebner Pineda, Universidad Centroccidental Lisandro Alvarado
    Wilfredo O Urbina*, Universidad Central de Venezuela and DePaul University
    (1030-42-203)
  • 9:30 a.m.
    Existence of positive definite noncoercive sums ofsquares of real polynomials.
    Gregory C Verchota*, Syracuse University, Syracuse, NY 13244
    (1030-12-141)
  • 10:00 a.m.
    Algebras of rough singular integrals.
    Dmitry Ryabogin*, Kent State University
    (1030-42-375)
  • 10:30 a.m.
    Calderon-Zygmund Theory on uniformly rectifiable domains.
    Marius Mitrea*, University of Missouri-Columbia
    (1030-42-335)
• Friday October 5, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Geometric Combinatorics, I
  Room 1005, Lewis Center
  Organizers:
  Caroline J. Klivans, University of Chicago cjk@math.uchicago.edu
  Kathryn Nyman, Loyola University Chicago knyman@luc.edu
  

  • 9:00 a.m.
    On sequentially Cohen-Macaulay complexes and posets.
    Anders Bjorner, Royal Institute of Technology, Stockholm
    Michelle L. Wachs*, University of Miami
    Volkmar Welker, Marburg University, Germany
    (1030-05-413)
  • 9:30 a.m.
    Matroid base polytope decompositions and quasisymmetric functions.
    Kurt W. Luoto*, University of Washington, Seattle, WA
    (1030-05-182)
  • 10:00 a.m.
    Zonotopes of Line Shellings of Polytopes.
    Catherine Stenson*, Juniata College
    (1030-52-349)
  • 10:30 a.m.
    Tropical hyperplane arrangements and oriented matroids.
    Federico Ardila*, San Francisco State University
    Mike Develin, American Institute of Mathematics
    (1030-52-172)
• Friday October 5, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Numerical and Symbolic Techniques in Algebraic Geometry and Its Applications, I
  Room 1110, Lewis Center
  Organizers:
  GianMario Besana, DePaul University gbesana@cti.depaul.edu
  Jan Verschelde, University of Illinois at Chicago jan@math.uic.edu
  Zhonggang Zeng, Northeastern Illinois University zzeng@neiu.edu
  

  • 9:00 a.m.
    Recent Results in Numerical Algebraic Geometry.
    Andrew Sommese*, University of Notre Dame,
    (1030-65-311)
  • 9:30 a.m.
    Algebraic Structures in Finite Element Computation.
    Matthew G. Knepley*, Argonne National Laboratory, Mathematics and Computer Science Division
    Dmitry Karpeev, Argonne National Laboratory, Mathematics and Computer Science Division
    (1030-65-424)
  • 10:00 a.m.
    Parallel Implementation of a Subsystem-by-Subsystem Solver.
    Yun Guan*, University of Illinois at Chicago
    Jan Verschelde, University of Illinois at Chicago
    (1030-65-318)
  • 10:30 a.m.
    Likelihood ratio tests and singularities.
    Mathias Drton*, University of Chicago
    (1030-62-200)
• Friday October 5, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Algebraic Coding Theory (in honor of Harold N. Ward's retirement), I
  Room 1217, Lewis Center
  Organizers:
  Jay A. Wood, Western Michigan University jay.wood@wmich.edu
  

  • 9:00 a.m.
    Additive Cyclic Codes over $F_4$.
    W. Cary Huffman*, Loyola University of Chicago
    (1030-94-148)
  • 9:30 a.m.
    Formally self-dual additive codes over $\mathbb F_4$.
    Sunghyu Han, University of Louisville
    Jon-Lark Kim*, University of Louisville
    (1030-94-161)
  • 10:00 a.m.
    Twisted Tensor Product Codes.
    Anton Betten*, Colorado State University
    (1030-05-63)
  • 10:30 a.m.
    Constacyclic Codes over Galois Extension Rings of $\mathbb F_2+u\mathbb F_2$.
    Hai Q Dinh*, Department of Mathematical Sciences, Kent State University, 4314 Mahoning Avenue, Warren, OH 44483
    (1030-94-385)
• Friday October 5, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, I
  Room 1216, Lewis Center
  Organizers:
  Sung Y. Song, Iowa State University sysong@iastate.edu
  Paul Terwilliger, University of Wisconsin terwilli@math.wisc.edu
  

  • 9:00 a.m.
    Symmetrizable three-class association schemes and Schur rings.
    Sung Y. Song*, Iowa State University
    (1030-05-163)
  • 9:30 a.m.
    New non-symmetric 3-class association schemes on 64 points.
    Leif K. J{\o}rgensen*, Aalborg University
    (1030-05-87)
  • 10:00 a.m.
    Subsets of Coherent Configurations.
    Sylvia A. Hobart*, University of Wyoming
    (1030-05-191)
  • 10:30 a.m.
    Cometric association schemes with the $Q$-antipodal property.
    William J Martin*, Department of Mathematical Sciences and Department of Computer Science, Worcester Polytechnic Institute
    (1030-05-184)
• Friday October 5, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Graph Theory, I
  Room 1214, Lewis Center
  Organizers:
  Hemanshu Kaul, Illinois Institute of Technology kaul@iit.edu
  Michael J. Pelsmajer, Illinois Institute of Technology pelsmajer@iit.edu
  

  • 9:00 a.m.
    List-coloring the square of a subcubic graph.
    Daniel W Cranston*, DIMACS, Rutgers University, Piscataway, NJ
    Seog-Jin Kim, Konkuk University, Seoul, Korea
    (1030-05-196)
  • 9:30 a.m.
    The Randomized Coloring Procedure with Symmetry-Breaking.
    Sriram Pemmaraju*, The University of Iowa
    Aravind Srinivasan, University of Maryland, College Park
    (1030-05-226)
  • 10:00 a.m.
    Distance graph -- $p$-adic approach.
    Jeong-Hyun Kang*, University of West Georgia
    Hiren Maharaj, Clemson University
    (1030-05-402)
  • 10:30 a.m.
    Distance Related Graph Labelings.
    Zsuzsanna Szaniszlo*, Valparaiso University
    (1030-05-353)
• Friday October 5, 2007, 9:00 a.m.-10:45 a.m.
  Special Session on Model Theory of Non-elementary Classes, I
  Room 1106, Lewis Center
  Organizers:
  John T. Baldwin, University of Illinois at Chicago jbaldwin@uic.edu
  David W. Kueker, University of Maryland dwk@math.umd.edu
  Rami Grossberg, Carnegie Mellon University rami@cmu.edu
  

  • 9:00 a.m.
    Unique Non-splitting Extensions in AEC.
    John T. Baldwin*, University of Illinois at Chicago
    (1030-03-347)
  • 9:30 a.m.
    The white region of the map of AECs.
    Rami Grossberg*, Carnegie Mellon University
    (1030-03-393)
  • 10:00 a.m.
    Superstability in Abstract Elementary Classes.
    Monica VanDieren*, Robert Morris University
    (1030-03-297)
• Friday October 5, 2007, 9:00 a.m.-10:55 a.m.
  Special Session on Networks, I
  Room 1111, Lewis Center
  Organizers:
  Martin Golubitsky, University of Houston mg@uh.edu
  Mary Silber, Northwestern University m-silber@northwestern.edu
  

  • 9:00 a.m.
    Networkology.
    Adilson E. Motter*, Northwestern University
    (1030-37-392)
  • 9:30 a.m.
    Modules and roles: towards a cartography of complex biological networks.
    Roger Guimera*, Northwestern University
    (1030-92-74)
  • 10:00 a.m.
    Delay Differential Equation Model of Cellular Protein Translation from First Principles.
    Luis Mier-y-Teran, Northwestern University and EPFL
    Mary Silber*, Engineering Sciences and Applied Mathematics, Northwestern University
    Vassily Hatzimanikatis, Ecole Polytechnique Federale de Lausanne (EPFL)
    (1030-92-157)
  • 10:30 a.m.
    Noise-induced limit cycle transitions in a coupled oscillator network.
    Peter J. Thomas*, Case Western University
    (1030-92-428)
• Friday October 5, 2007, 9:00 a.m.-10:55 a.m.
  Special Session on Hopf Algebras and Related Areas, I
  Room 1210, Lewis Center
  Organizers:
  Yevgenia Kashina, DePaul University ykashina@condor.depaul.edu
  Leonid Krop, DePaul University lkrop@condor.depaul.edu
  M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
  David E. Radford, University of Illinois at Chicago radford@uic.edu
  

  • 9:00 a.m.
    Group grading and Hopf actions on algebras.
    Yuri Bahturin, Memorial University of Newfoundland
    Mikhail Kochetov*, Memorial University of Newfoundland
    Susan Montgomery, University of Southern California
    (1030-17-301)
  • 9:30 a.m.
    Characters of projective modules and invariants of the adjoint action.
    Miriam Cohen*, Ben Gurion University
    Sara Westreich, Bar Ilan University
    (1030-16-107)
  • 10:00 a.m.
    A Verlinde type formula for factorizable ribbon Hopf algebras.
    Sara Westreich*, Bar Ilan University
    Miriam Cohen, Ben Gurion University
    (1030-16-106)
  • 10:30 a.m.
    Some combinatorial identities via Hopf algebra methods.
    Earl J Taft*, Rutgers University
    (1030-16-46)
• Friday October 5, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Extremal and Probabilistic Combinatorics, I
  Room 1004, Lewis Center
  Organizers:
  Jozsef Balogh, University of Illinois at Urbana-Champaign jobal@math.uiuc.edu
  Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu
  

  • 9:00 a.m.
    Discussion
  • 9:30 a.m.
    On hypergraph Tur\'an numbers.
    Linyuan Lu, University of South Carolina
    Yi Zhao*, Georgia State University
    (1030-05-136)
  • 10:00 a.m.
    On families of subsets with a forbidden subposet.
    Jerrold R. Griggs, University of South Carolina
    Linyuan Lu*, Univeristy of South Carolina
    (1030-05-390)
  • 10:30 a.m.
    Packing of graphs with small product of sizes.
    Alenxandr V. Kostochka, University of Illinois at Urbana-Champaign
    Gexin Yu*, Vanderbilt University
    (1030-05-249)
• Friday October 5, 2007, 9:00 a.m.-10:45 a.m.
  Special Session on Algebraic Geometry, I
  Room 8209, DePaul Center
  Organizers:
  Lawrence Man Hou Ein, University of Illinois at Chicago ein@math.uic.edu
  Anatoly S. Libgober, University of Illinois at Chicago libgober@math.uic.edu
  

  • 9:00 a.m.
    The Kawanoue program: an approach toward resolution of singularities in positive characteristic.
    Kenji Matsuki*, Purdue University
    (1030-14-149)
  • 10:00 a.m.
    Limits of log canonical thresholds.
    Tommaso de Fernex, University of Utah
    Mircea I Mustata*, University of Michigan
    (1030-14-160)
• Friday October 5, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Ergodic Theory and Symbolic Dynamical Systems, I
  Room 8014, DePaul Center
  Organizers:
  Ayse A. Sahin, DePaul University asahin@condor.depaul.edu
  Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu
  

  • 9:00 a.m.
    Multicorrelations and Nilsequences.
    Bryna Kra*, Northwestern University
    (1030-37-145)
  • 9:30 a.m.
    New examples of sets of multiple recurrence.
    Nikos Frantzikinakis*, University of Memphis
    (1030-37-292)
  • 10:00 a.m.
    Weak mixing implies weak mixing of higher orders along tempered functions.
    Inger J. H\aa land Knutson*, Agder University College
    (1030-37-25)
  • 10:30 a.m.
    Solvability of Rado systems in D-sets.
    Alexander Fish*, The Ohio State University
    Mathias Beiglböck, Technical University Vienna
    Vitaly Bergelson, The Ohio State University
    Tomasz Downarowicz, Wroclaw University of Technology
    (1030-37-401)
• Friday October 5, 2007, 9:00 a.m.-10:55 a.m.
  Special Session on Automorphic Forms: Representation Theory of p-adic and Adelic Groups, I
  Room 1207, Lewis Center
  Organizers:
  Mahdi Asgari, Oklahoma State University asgari@math.okstate.edu
  Anantharam Raghuram, Oklahoma State University araghur@math.okstate.edu
  

  • 9:00 a.m.
    $L$-functions and Functoriality.
    James W. Cogdell*, Ohio State University
    (1030-11-324)
  • 10:00 a.m.
    Sign Changes for Hecke eigenvalues of Siegel cusp forms of degree 2.
    Ameya Pitale*, University of Oklahoma, Norman
    (1030-11-260)
  • 10:30 a.m.
    On the Fourier coefficients of automorphic foms on GL(2).
    Muthukrishnan Krishnamurthy*, University of Iowa
    (1030-11-372)
• Friday October 5, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Wave Propagation from Mathematical and Numerical Viewpoints, I
  Room 8009, DePaul Center
  Organizers:
  Gabriel Koch, University of Chicago koch@math.uchicago.edu
  Catalin Constantin Turc, Caltech and University of North Carolina at Charlotte turc@acm.caltech.edu
  Nicolae Tarfulea, Purdue University Calumet tarfulea@calumet.purdue.edu
  

  • 9:00 a.m.
    Some Mathematical Problems in Optics: A Preliminary Report.
    Gang Bao*, Michigan State University
    (1030-78-278)
  • 9:30 a.m.
    Decay rates for partially dissipative hyperbolic systems.
    Enrique Zuazua Iriondo*, IMDEA-Matemáticas & Universidad Autónoma de Madrid
    (1030-35-42)
  • 10:00 a.m.
    Global well-posedness in the energy space for the Kadomstev-Petviashvili I equation.
    Carlos E. Kenig*, Department of Mathematics, University of Chicago
    (1030-35-67)
  • 10:30 a.m.
    A semiclassical transport model for thin quantum barrier.
    Shi Jin*, University of Wisconsin-Madison
    Kyle Novak, Air Force Institute of Technology
    (1030-65-209)
• Friday October 5, 2007, 9:30 a.m.-10:50 a.m.
  Special Session on The Euler and Navier-Stokes Equations, I
  Room 8005, DePaul Center
  Organizers:
  Alexey Cheskidov, University of Michigan acheskid@umich.edu
  Susan J. Friedlander, University of Illinois at Chicago susan@math.uic.edu
  Roman Shvydkoy, University of Illinois at Chicago shvydkoy@math.uic.edu
  

  • 9:30 a.m.
    A Kdv-KdV-type Boussinesq system -- from the energy level to analytic spaces.
    Jerry L Bona, University of Illinois at Chicago
    Zoran Grujic*, University of Virginia
    Kalisch Henrik, University of Bergen
    (1030-35-417)
  • 10:00 a.m.
    Vanishing viscosity with vorticity in a borderline space of Besov type.
    Elaine M. Cozzi*, Carnegie Mellon University
    James P. Kelliher, Brown University
    (1030-76-331)
  • 10:30 a.m.
    3D Vortex Sheets and Water Waves.
    David M. Ambrose*, Clemson University
    (1030-35-352)
• Friday October 5, 2007, 11:10 a.m.-12:00 p.m.
  Invited Address
  Symmetry breaking and synchrony breaking.
  Room 8005, DePaul Center
  Martin Golubitsky*, University of Houston
  (1030-34-05)
• Friday October 5, 2007, 1:30 p.m.-2:20 p.m.
  Invited Address
  Representations of Pointed Hopf Algebras.
  Room 8005, DePaul Center
  David E. Radford*, University of Illinois at Chicago
  (1030-16-04)
• Friday October 5, 2007, 2:30 p.m.-4:55 p.m.
  Special Session on Sequence Spaces and Transformations, II
  Room 1107, Lewis Center
  Organizers:
  Constantine Georgakis, DePaul University cgeorgak@condor.depaul.edu
  Martin Buntinas, Loyola University of Chicago mbuntin@math.luc.edu
  

  • 2:30 p.m.
    Pointwise Fourier Inversion.
    Mark A. Pinsky*, Mathematics Department, Northwestern University, Evanston IL 60208-2730
    (1030-42-64)
  • 3:30 p.m.
    Summability Methods and Probabilistic Approximation Operators.
    Jerry P. King*, Lehigh University
    (1030-40-31)
  • 4:30 p.m.
    On spaces ``close'' to $L^{p}(\mathbb{T})$.
    J. Marshall Ash*, DePaul University
    Sergey Tikonov, Scuola Normale Superiore
    James Tung, DePaul University
    (1030-42-187)
• Friday October 5, 2007, 2:30 p.m.-5:55 p.m.
  Special Session on Nonlinear Conservation Laws and Related Problems, II
  Room 8010, DePaul Center
  Organizers:
  Cleopatra Christoforou, University of Houston cleopatra@math.uh.edu
  Gui-Qiang Chen, Northwestern University gqchen@math.northwestern.edu
  

  • 2:30 p.m.
    Transonic steady irrotational flow of a compressible gas.
    Marshall Slemrod*, Dept. of Mathematics, University of Wisconsin-Madison
    (1030-35-07)
  • 3:00 p.m.
    Kinetic Formulations and Regularizing Effects in Quasi-Linear PDEs.
    Eitan Tadmor*, University of Maryland
    Terence Tao, UC Los Angeles
    (1030-35-18)
  • 3:30 p.m.
    Nonlinear variational systems of wave equations.
    John K Hunter*, University of California at davis
    (1030-35-201)
  • 4:00 p.m.
    Weak solutions of hydrodynamic equations.
    Peter Constantin*, The University of Chicago
    (1030-35-216)
  • 4:30 p.m.
    Onsager's conjecture and a Model for Turbulence.
    Susan Friedlander*, University of Illinois-Chicago and USC
    (1030-76-51)
  • 5:00 p.m.
    Boundary behavior of compressible, viscous fluid flows.
    Misha Perepeltisa*, Vanderbilt University
    (1030-35-59)
  • 5:30 p.m.
    On the existence and uniqueness of a solution to a mixed hyperbolic-parabolic free-boundary problem arising in blood flow modeling.
    Suncica Canic*, University of Houston
    Taebeom Kim, University of Houston
    Giovanna Guidoboni, University of Houston
    Andro Mikelic, University of Lyon 1
    (1030-35-34)
• Friday October 5, 2007, 2:30 p.m.-5:55 p.m.
  Special Session on Analysis and CR Geometry, II
  Room 8207, DePaul Center
  Organizers:
  Song-Ying Li, University of California Irvine sli@math.uci.edu
  Stephen S-T Yau, University of Illinois at Chicago yau@uic.edu
  

  • 2:30 p.m.
    CR mappings from Lens spaces to spheres and to hyperquadrics.
    John P. D'Angelo*, Univ. of Illinois Urbana-Champaign
    (1030-32-77)
  • 3:00 p.m.
    Geometric analysis of the Kohn Laplacian on a family of pseudoconvex hypersurfaces.
    Der-Chen E. Chang*, Georgetown University
    (1030-32-411)
  • 3:30 p.m.
    Estimates for the Bergman kernel on monomial polyhedra -- preliminary report.
    Alexander Nagel*, University of Wisconsin-Madison
    (1030-32-151)
  • 4:00 p.m.
    A fundamental inequality for holomorphic curves into projective varieties.
    Min Ru*, University of Houston
    (1030-32-303)
  • 4:30 p.m.
    Regularity for the integrability problem for almost CR vector bundles on strongly pseudoconvex real hypersurfaces.
    Xianghong Gong*, University of Wisconsin-Madison
    Sidney M. Webster, University of Chicago
    (1030-32-116)
  • 5:00 p.m.
    local dynamics of holomorphic diffeomorphisms.
    Feng Rong*, Syracuse University
    (1030-32-09)
  • 5:30 p.m.
    Coupled Singular Perturbations and Periodic Homogenization in Phase Transitions.
    Cristina Popovici*, North Dakota State University
    (1030-49-410)
• Friday October 5, 2007, 2:30 p.m.-4:50 p.m.
  Special Session on Applied Harmonic Analysis, II
  Room 8002, DePaul Center
  Organizers:
  Jonathan Cohen, DePaul University jcohen@math.depaul.edu
  Ahmed I. Zayed, DePaul University azayed@math.depaul.edu
  

  • 2:30 p.m.
    Chromatic series of prolate spheroidal waves and wavelets.
    Gilbert G Walter*, University of Wisconsin-Milwaukee
    (1030-41-117)
  • 3:00 p.m.
    Paley-Wiener-Type Theorem in a Hilbert Space.
    Ahmed I Zayed*, DePaul University
    Isaac Pesenson, Temple University
    (1030-42-236)
  • 3:30 p.m.
    Optimal Non-Linear Models for Compressed Sensing and Sampling.
    Akram Aldroubi*, Vanderbilt University
    Carlos Cabrelli, Dept. of Mathematics, University of Buenos Aires, Argentina
    Ursula Molter, Dept. of Mathematics, University of Buenos Aires, Argentina
    (1030-41-396)
  • 4:00 p.m.
    Discrete Fourier Transform on compact manifolds and finite graphs.
    Isaac Pesenson*, Department of Mathematics CCP and Temple University
    (1030-42-70)
  • 4:30 p.m.
    Lagrange Interpolation by Periodic Prolate Spheroidal Wavelets.
    Xiaoping Shen*, Ohio University
    (1030-42-159)
• Friday October 5, 2007, 2:30 p.m.-5:20 p.m.
  Special Session on Singular Integrals and Related Problems, II
  Room 8011, DePaul Center
  Organizers:
  Laura De Carli, Florida International University decarlil@fiu.edu
  A. M. Stokolos, DePaul University astokolo@condor.depaul.edu
  

  • 2:30 p.m.
    Sharp $A_1$ bounds for Calderón-Zygmund operators and the relationship with a problem of Muckenhoupt and Wheeden.
    Carlos Pérez*, Universidad de Sevilla (Spain) and Kansas University
    Andrei Lerner, Universidad de Sevilla
    Sheldy Ombrosi, Universidad Nacional del Sur, Bahia Blanca and Universidad de Sevilla
    (1030-42-348)
  • 3:00 p.m.
    Radially symmetric intersection bodies with an (n-1)-dimesional face.
    Maria Alfonseca*, North Dakota State University
    Dmitry Ryabogin, Kansas State University
    Artem Zvavitch, Kent State University
    (1030-52-366)
  • 3:30 p.m.
    Kakeya Sets and Directional Maximal Operators in the Plane.
    Michael Bateman*, Indiana University
    (1030-42-262)
  • 4:00 p.m.
    Tauberian conditions for geometric maximal operators.
    Paul Alton Hagelstein*, Baylor University
    Alexander Stokolos, De Paul University
    (1030-42-130)
  • 5:00 p.m.
    Restriction for curves and surfaces.
    Sarah N Ziesler*, University of Chicago
    (1030-42-75)
• Friday October 5, 2007, 2:30 p.m.-4:50 p.m.
  Special Session on Geometric Combinatorics, II
  Room 1005, Lewis Center
  Organizers:
  Caroline J. Klivans, University of Chicago cjk@math.uchicago.edu
  Kathryn Nyman, Loyola University Chicago knyman@luc.edu
  

  • 2:30 p.m.
    Face numbers of simplicial manifolds.
    Isabella Novik*, Department of Mathematics, University of Washington
    Edward B Swartz, Department of Mathematics, Cornell University
    (1030-05-305)
  • 3:00 p.m.
    Closed geodesics and quasi-geodesics on convex surfaces.
    Igor Pak*, MIT
    (1030-52-194)
  • 3:30 p.m.
    Convex hull realizations of the multiplihedra.
    Stefan A. Forcey*, Tennessee State University
    (1030-05-44)
  • 4:00 p.m.
    A simplicial matrix-tree theorem, I. General results.
    Art M Duval, University of Texas, El Paso
    Caroline Klivans, University of Chicago
    Jeremy L Martin*, University of Kansas
    (1030-05-143)
  • 4:30 p.m.
    A Simplicial matrix-tree theorem, II. Examples.
    Art Duval*, University of Texas at El Paso
    Caroline J. Klivans, University of Chicago
    Jeremy L. Martin, University of Kansas
    (1030-05-101)
• Friday October 5, 2007, 2:30 p.m.-6:15 p.m.
  Special Session on Mathematical Modeling and Numerical Methods, I
  Room 1108, Lewis Center
  Organizers:
  Atife Caglar, University of Wisconsin-Green Bay caglara@uwgb.edu
  

  • 2:30 p.m.
    A Finite Element Approximation of Navier-Stokes-Alpha Model.
    Atife Caglar*, Assistant Professor
    (1030-65-398)
  • 3:30 p.m.
    Breaking the Curse of Dimensionality with Lattice Designs.
    Fred J Hickernell*, Department of Applied Mathematics, Illinois Institute of Technology, Chicago, IL
    (1030-65-358)
  • 4:30 p.m.
    Numerical Analysis and Computational Testing of a Leray-deconvolution Turbulence Model.
    Leo Rebholz*, University Of Pittsburgh
    W Layton, University of Pittsburgh
    M Neda, University of Nevada-Las vegas
    C Manica, Federal University of Rio Grande do Sul
    (1030-65-409)
  • 5:30 p.m.
    On The Numerical Solution of Parabolic Stochastic Differential Equation.
    Mehmet E San*, Fatih University/Istanbul/Turkey
    (1030-35-36)
• Friday October 5, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Differential Geometry and Its Applications, I
  Room 8206, DePaul Center
  Organizers:
  Jianguo Cao, University of Notre Dame cao.7@nd.edu
  

  • 2:30 p.m.
    Blocking geodesics -- a survey of recent results.
    Ben Schmidt*, U. of Chicago
    (1030-51-273)
  • 3:00 p.m.
    Infinite-dimensional steepest descent flow invariants and related nonlinear ordinary differential equations.
    Anders Linn\'er*, Northern Illinois University
    (1030-58-146)
  • 3:30 p.m.
    Optimization of the Distortion Energy Functional over Homotopy Classes of Diffeomorphisms.
    Oksana Bihun*, Department of Mathematics, University of Missouri-Columbia
    Carmen Chicone, Department of Mathematics, University of Missouri-Columbia
    (1030-53-24)
  • 4:00 p.m.
    Constant Mean Curvature Surfaces with Symmetries.
    Hongyou Wu*, Northern Illinois University
    (1030-53-270)
  • 4:30 p.m.
    Bismut's Formula for Heat Kernels and Its Generalizations.
    Elton P Hsu*, Northwestern University
    (1030-53-144)
  • 5:00 p.m.
    Solution of first order second degree quadratic differential equation.
    Ali A. Salim*, Al nahrain University / faculity of engineering
    (1030-34-10)
  • 5:30 p.m.
    Insecurity and the growth of the number of geodesics between two points.
    Keith Burns*, Northwestern University
    Eugene Gutkin, IMPA/Uniwersytet Mikolaja Kopernika
    (1030-53-86)
• Friday October 5, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Numerical and Symbolic Techniques in Algebraic Geometry and Its Applications, II
  Room 1110, Lewis Center
  Organizers:
  GianMario Besana, DePaul University gbesana@cti.depaul.edu
  Jan Verschelde, University of Illinois at Chicago jan@math.uic.edu
  Zhonggang Zeng, Northeastern Illinois University zzeng@neiu.edu
  

  • 2:30 p.m.
    Finding All Solutions to Dynamic Stochastic Games.
    Kenneth L. Judd*, Hoover Institution, Stanford University
    Karl Schmedders, Kellog School of Management, Northwestern University
    (1030-91-421)
  • 3:00 p.m.
    Regeneration, adaptive multiprecision and Bertini.
    Jonathan D Hauenstein*, University of Notre Dame
    (1030-14-379)
  • 3:30 p.m.
    Computing the GCD of Ore Polynomials.
    Zhonggang Zeng, Northeastern Illinois University
    Yang Zhang*, DePaul University
    (1030-16-405)
  • 4:00 p.m.
    Break
  • 4:30 p.m.
    Numerical primary decomposition.
    Anton Leykin*, IMA, University of Minnesota
    (1030-14-376)
  • 5:00 p.m.
    Computing Critical Points by Continuation.
    Kathy Wei Piret*, University of Illinois at Chicago, Dept of Math, Stat & CS
    Jan Verschelde, University of Illinois at Chicago, Dept. of Math, Stat & CS
    (1030-65-325)
  • 5:30 p.m.
    Induction for secant varieties of Segre varieties.
    Hirotachi Abo*, University of Idaho
    Giorgio Ottaviani, University of Florence
    Chris Peterson, Colorado State University
    (1030-14-199)
• Friday October 5, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Algebraic Coding Theory (in honor of Harold N. Ward's retirement), II
  Room 1217, Lewis Center
  Organizers:
  Jay A. Wood, Western Michigan University jay.wood@wmich.edu
  

  • 2:30 p.m.
    New Negative Latin Square Type Partial Difference Sets in Nonelementary Abelian 2-groups and 3-groups.
    John B Polhill*, Bloomsburg University of Pennsylvania
    (1030-05-17)
  • 3:00 p.m.
    Crossover of aperiodic autocorrelation functions for quaternary sequences.
    James A Davis*, University of Richmond
    Pohl Michael, University of Richmond
    (1030-05-304)
  • 3:30 p.m.
    Loose ends.
    Harold N. Ward*, University of Virginia
    (1030-94-92)
  • 4:00 p.m.
    Applications of Quadratic Forms in Coding Theory.
    Gary McGuire*, University College Dublin
    (1030-94-374)
  • 4:30 p.m.
    Hartmann-Tzeng-type Bounds for Cyclic Codes.
    Nigel Boston*, University of Wisconsin, Madison
    (1030-14-258)
  • 5:00 p.m.
    LDPC codes from voltage graphs.
    Christine A. Kelley, The Ohio State University
    Judy L. Walker*, University of Nebraska
    (1030-94-355)
  • 5:30 p.m.
    On the dimensions of certain LDPC codes based on $q$-regular bipartite graphs.
    Peter Sin, University of Florida
    Qing Xiang*, University of Delaware
    (1030-94-171)
• Friday October 5, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, II
  Room 1216, Lewis Center
  Organizers:
  Sung Y. Song, Iowa State University sysong@iastate.edu
  Paul Terwilliger, University of Wisconsin terwilli@math.wisc.edu
  

  • 2:30 p.m.
    Euclidean $t$-designs.
    Etsuko Bannai*, Faculty of Mathematics, Graduate School, Kyushu University
    (1030-05-247)
  • 3:00 p.m.
    Delsarte LP bounds for complex systems of lines and subspaces.
    Aidan Roy*, University of Calgary
    (1030-05-404)
  • 3:30 p.m.
    Perfect matchings in regular graphs from eigenvalues.
    Sebastian M. Cioab\u{a}*, University of California, San Diego
    David A. Gregory, Queen's University
    Willem H. Haemers, University of Tilburg
    (1030-05-340)
  • 4:00 p.m.
    Association schemes and set partition systems.
    Karen Meagher*, University of Regina
    (1030-05-121)
  • 4:30 p.m.
    A characterization of Q-polynomial triangle-free distance-regular graphs with an eigenvalue multiplicity equal to the valency.
    Aleksandar Jurisic*, Faculty of Computer and Information Science
    (1030-05-400)
  • 5:00 p.m.
    Discussion
  • 5:30 p.m.
    On schemes which contain a constrained set of involutions.
    Paul-Hermann Zieschang*, University of Texas at Brownsville
    (1030-05-427)
• Friday October 5, 2007, 2:30 p.m.-4:50 p.m.
  Special Session on Graph Theory, II
  Room 1214, Lewis Center
  Organizers:
  Hemanshu Kaul, Illinois Institute of Technology kaul@iit.edu
  Michael J. Pelsmajer, Illinois Institute of Technology pelsmajer@iit.edu
  

  • 2:30 p.m.
    Acquisition number of graphs.
    Timothy D. LeSaulnier, University of Illinois - Urbana
    Noah Prince, University of Illinois - Urbana
    Paul S. Wenger, University of Illinois - Urbana
    Douglas B. West*, University of Illinois - Urbana
    Pratik Worah, University of Illinois - Urbana
    (1030-05-256)
  • 3:00 p.m.
    $(\alpha,k)$-balanced graphs.
    A. Brieden, Universit\"at der Bundeswehr M\"unchen
    Z. F\"uredi, University of Illinois, Urbana-Champaign & Renyi Institute of Mathematics
    A. K\"undgen, Cal State San Marcos
    R. Ramamurthi*, Cal State San Marcos
    (1030-05-416)
  • 3:30 p.m.
    On Vizing's Independence Number Conjecture of edge chromatic critical graphs.
    Yue Zhao*, Department of Mathematics, University of Central Florida
    (1030-05-72)
  • 4:00 p.m.
    Identifying Codes in $q$-ary hypercube.
    Seog-Jin Kim*, Konkuk University
    Jon-Lark Kim, University of Louisville
    (1030-05-257)
  • 4:30 p.m.
    On a generalization of the local-global theorem for isoperimetric orders.
    Sergei L Bezrukov*, University of Wisconsin - Superior
    Miquel Rius, Universitat Politecnica de Catalunya
    Oriol Serra, Universitat Politecnica de Catalunya
    (1030-05-316)
• Friday October 5, 2007, 2:30 p.m.-6:20 p.m.
  Special Session on Free Resolutions, I
  Room 1007, Lewis Center
  Organizers:
  Noam Horwitz, Cornell University nh54@cornell.edu
  Irena Peeva, Cornell University ivp1@cornell.edu
  

  • 2:30 p.m.
    Specializations of Ferrers ideals.
    Alberto Corso, University of Kentucky, Department of Mathematics
    Uwe Nagel*, University of Kentucky, Department of Mathematics
    (1030-13-238)
  • 3:00 p.m.
    Tetrahedral curves via graphs and Alexander duality.
    Christopher A Francisco*, Oklahoma State University
    (1030-13-57)
  • 3:30 p.m.
    Sparse filter regular sequences and extremal Betti numbers.
    Giulio Caviglia*, Purdue University
    (1030-13-230)
  • 4:00 p.m.
    Double Points on a Pair of Lines.
    Susan Marie Cooper*, California Polytechnic State University
    Brian Harbourne, University of Nebraska--Lincoln
    Zachariah Teitler, Texas A&M University
    (1030-13-312)
  • 4:30 p.m.
    Minimal Free Resolutions and Asymptotic Behavior of Multi-Graded Regularity.
    Brent D Strunk*, University of Louisiana At Monroe
    Huy Tai Ha, Tulane University
    (1030-13-132)
  • 5:00 p.m.
    Multigraded modules and the topology of representable matroids.
    Amanda Beecher, United States Military Academy at West Point
    Alexandre Tchernev*, University at Albany, SUNY
    (1030-13-245)
  • 5:30 p.m.
    Cohomology of connected sums of artinian Gorenstein rings.
    Luchezar L. Avramov, University of Nebraska - Lincoln
    W. Frank Moore*, University of Nebraska - Lincoln
    (1030-13-215)
  • 6:00 p.m.
    Discussion
• Friday October 5, 2007, 2:30 p.m.-5:55 p.m.
  Special Session on Model Theory of Non-elementary Classes, II
  Room 1106, Lewis Center
  Organizers:
  John T. Baldwin, University of Illinois at Chicago jbaldwin@uic.edu
  David W. Kueker, University of Maryland dwk@math.umd.edu
  Rami Grossberg, Carnegie Mellon University rami@cmu.edu
  

  • 2:30 p.m.
    Stability, simplicity, and Banach space geometry.
    Jose N Iovino*, The University of Texas at San Antonio
    (1030-03-218)
  • 3:30 p.m.
    Galois Types and Topology.
    Michael J Lieberman*, Department of Mathematics, University of Michigan
    (1030-03-251)
  • 4:00 p.m.
    On Quasiminimal Excellent Classes.
    Jonathan Kirby*, University of Oxford
    (1030-03-119)
  • 4:30 p.m.
    Few pairs of countable models.
    Maryanthe Malliaris*, University of California, Berkeley
    (1030-03-73)
  • 5:00 p.m.
    AECs of Abelian Groups.
    John Baldwin, University of Illinois at Chicago
    Wesley Calvert, Murray State University
    John Goodrick*, University of Maryland, College Park
    Andres Villaveces, Universidad Nacional de Columbia
    Agatha Walczak-Typke, University of Vienna
    (1030-03-125)
  • 5:30 p.m.
    Recent developments in classification theory of classes of metric structures.
    Alex Usvyatsov*, UCLA
    (1030-03-386)
• Friday October 5, 2007, 2:30 p.m.-4:25 p.m.
  Special Session on Networks, II
  Room 1111, Lewis Center
  Organizers:
  Martin Golubitsky, University of Houston mg@uh.edu
  Mary Silber, Northwestern University m-silber@northwestern.edu
  

  • 2:30 p.m.
    Social Interactions in Myxobacterial Swarming.
    Mark Alber*, Department of Mathematics, University of Notre Dame
    (1030-92-76)
  • 3:00 p.m.
    Multiple Attractors and Long Chaotic Transients in Small-World Networks of Excitable Neurons.
    Hermann Riecke*, Northwestern University
    A. Roxin, Universitat Pompeu Fabra
    S. Madrug, MPI Complex Systems
    (1030-92-431)
  • 3:30 p.m.
    Feedback control of unstable patterns and periodic orbits.
    Claire M Postlethwaite*, Engineering Sciences and Applied Mathematics, Northwestern University
    Mary Silber, Engineering Sciences and Applied Mathematics, Northwestern University
    (1030-37-153)
  • 4:00 p.m.
    Quotient Networks.
    Manuela A.D. Aguiar, Faculdade de Economia, Universidade do Porto
    Ana Paula S. Dias, Faculdade de Ciencias, Universidade do Porto
    Martin Golubitsky, University of Houston
    Maria C.A. Leite*, Purdue University
    (1030-34-266)
• Friday October 5, 2007, 2:30 p.m.-5:55 p.m.
  Special Session on Hopf Algebras and Related Areas, II
  Room 1210, Lewis Center
  Organizers:
  Yevgenia Kashina, DePaul University ykashina@condor.depaul.edu
  Leonid Krop, DePaul University lkrop@condor.depaul.edu
  M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
  David E. Radford, University of Illinois at Chicago radford@uic.edu
  

  • 2:30 p.m.
    The Weyl groupoid of a semisimple Yetter-Drinfeld module.
    H.-J. Schneider*, Mathematisches Institut Ludwig-Maximilians-Universitaet Muenchen
    (1030-16-285)
  • 3:00 p.m.
    Lusztig Isomorphisms for some Drinfeld Doubles.
    Istvan Heckenberger*, Mathematisches Institut, Universität München, Germany
    (1030-81-255)
  • 3:30 p.m.
    Quantum subgroups of a simple quantum group at roots of 1.
    Nicolas Andruskiewitsch*, Universidad Nacional de Cordoba, Argentina
    Gaston Andres Garcia, Universidad Nacional de Cordoba, Argentina
    (1030-17-11)
  • 4:00 p.m.
    Representations of the Drinfel'd Doubles of a Family of Hopf Algebras.
    Leonid Krop*, DePaul University, Chicago, IL
    David E. Radford, University of Illinois at Chicago
    (1030-16-164)
  • 4:30 p.m.
    Graded deformations and pointed Hopf algebras.
    Mitja Mastnak*, University of Waterloo
    Sarah J Witherspoon, Taxas A&M University
    (1030-16-156)
  • 5:00 p.m.
    Coideal subalgebras in quantum groups.
    Vladislav Kharchenko*, Universidad Nacional Automoma de Mexico, FES-C.
    Alma Virginia Lara Sagahon, Universidad Nacional Autonoma de Mexico, FES-C.
    (1030-16-43)
  • 5:30 p.m.
    Braided Hopf algebras obtained from coquasitriangular Hopf algebras.
    Margaret Beattie*, Mount Allison University
    Daniel Bulacu, University of Bucharest
    (1030-16-96)
• Friday October 5, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Extremal and Probabilistic Combinatorics, II
  Room 1004, Lewis Center
  Organizers:
  Jozsef Balogh, University of Illinois at Urbana-Champaign jobal@math.uiuc.edu
  Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu
  

  • 2:30 p.m.
    Nearly optimal embeddings of trees.
    Benny Sudakov, Princeton University
    Jan Vondrak*, Princeton University
    (1030-05-69)
  • 3:00 p.m.
    An extension of Erdos-Stone theorem.
    Vladimir Nikiforov*, University of Memphis
    (1030-05-127)
  • 3:30 p.m.
    Negative dependence and Srinivasan's sampling process.
    Jonathan Cutler*, Montclair State University
    A J Radcliffe, University of Nebraska-Lincoln
    (1030-05-389)
  • 4:00 p.m.
    Break
  • 4:30 p.m.
    Coloring uniform simple hypergraphs with few edges.
    Alexandr Kostochka*, University of Illinois at Urbana-Champaign
    Mohit Kumbhat, University of Illinois at Urbana-Champaign
    (1030-05-162)
  • 5:00 p.m.
    Covering hypergraphs with cuts of minimum total size.
    Sebastian M. Cioab\u{a}*, University of California, San Diego
    Andr\'{e} K\"{u}ndgen, California State University, San Marcos
    (1030-05-338)
  • 5:30 p.m.
    $M$-part $L$-Sperner families.
    Harout Aydinian, Universit\"at Bielefeld
    \'Eva Czabarka*, University of South Carolina
    P\'eter L Erd\H os, R\'enyi Institute, Hungary
    L\'aszl\'o Sz\'ekely, University of South Carolina
    (1030-05-377)
• Friday October 5, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on The Euler and Navier-Stokes Equations, II
  Room 8005, DePaul Center
  Organizers:
  Alexey Cheskidov, University of Michigan acheskid@umich.edu
  Susan J. Friedlander, University of Illinois at Chicago susan@math.uic.edu
  Roman Shvydkoy, University of Illinois at Chicago shvydkoy@math.uic.edu
  

  • 2:30 p.m.
    Approximation of convection-diffusion equations with multiple boundary layers.
    Chang-Yeol Jung, Institute for scientific computing and applied mathematics
    Roger Temam*, Institute for scientific computing and applied mathematics
    (1030-35-142)
  • 3:00 p.m.
    Liouville Theorems and Applications to the Regularity Theory of the Navier-Stokes Equations.
    Gabriel Koch*, University of Chicago
    Nicolai Nadirashvili, CNRS, LATP, CMI
    Gregory Seregin, Steklov Institute of Mathematics
    Vladimir Sverak, University of Minnesota
    (1030-35-395)
  • 3:30 p.m.
    Vanishing viscosity limit for incompressible flow around a sufficiently small obstacle.
    Dragos Iftimie, Université de Lyon I
    Milton C Lopes Filho, IMECC-UNICAMP
    Helena J Nussenzveig Lopes*, IMECC-UNICAMP
    (1030-76-408)
  • 4:00 p.m.
    Break
  • 4:30 p.m.
    On the construction of suitable weak solutions of the Navier-Stokes equations.
    Jean-Luc Guermond*, Texas A&M University
    (1030-65-50)
  • 5:00 p.m.
    Vanishing viscosity limit in boundary-driven 2D flows.
    Milton C. Lopes Filho, UniCamp, Campinas, Brazil
    Anna L. Mazzucato*, Penn State University
    Helena J. Nussenzveig Lopes, UniCamp, Campinas, Brazil
    Michael E. Taylor, University of North Carolina, Chapel Hill
    (1030-35-120)
  • 5:30 p.m.
    On the regularity of weak solutions of the 3D Navier-Stokes equations in $B^{-1}_{\infty,\infty}$.
    Alexey Cheskidov*, University of Chicago
    Roman Shvydkoy, University of Illinois
    (1030-35-378)
• Friday October 5, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Smooth Dynamical Systems, II
  Room 8012, DePaul Center
  Organizers:
  Marian Gidea, Northeastern Illinois University mgidea@neiu.edu
  Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu
  

  • 2:30 p.m.
    The compressible fluid two-body problem.
    C Chicone*, University of Missouri, Columbia, MO
    (1030-37-112)
  • 3:00 p.m.
    Invariant Objects for Dynamical Systems.
    John W Robertson*, Wichita State University
    (1030-37-29)
  • 3:30 p.m.
    Solenoids and adding machines in Hamiltonian Systems.
    Kenneth R. Meyer*, University of Cincinnati
    (1030-37-19)
  • 4:00 p.m.
    Solenoidal minimal sets in foliations.
    Steven Hurder*, University of Illinois at Chicago
    (1030-37-94)
  • 4:30 p.m.
    Pathological foliations, revisited.
    Amie Wilkinson*, Northwestern University
    (1030-37-287)
  • 5:00 p.m.
    Homology of Invariant Foliations.
    Radu Saghin*, University of Toronto
    (1030-37-241)
  • 5:30 p.m.
    Harmonic functions and Brownian motion on foliated manifolds.
    Renato Feres*, Washington University
    Sergio Fenley, Florida State University
    Kamlesh Parwani, University Of Missouri, St. Louis
    (1030-37-174)
• Friday October 5, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Ergodic Theory and Symbolic Dynamical Systems, II
  Room 8014, DePaul Center
  Organizers:
  Ayse A. Sahin, DePaul University asahin@condor.depaul.edu
  Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu
  

  • 2:30 p.m.
    Reduction theory and coding of geodesics.
    Svetlana Katok*, The Pennsylvania State University
    (1030-37-354)
  • 3:00 p.m.
    Self-similar tiling systems, topological factors and expansion constants.
    Maria Isabel Cortez*, Universidad de Santiago de Chile
    Fabien Durand, Université de Picardie Jules Verne, France.
    (1030-37-231)
  • 3:30 p.m.
    The dynamics of model sets.
    E Arthur Robinson*, George Washington University
    (1030-37-328)
  • 4:00 p.m.
    Weak equivalence for shifts of finite type.
    Andrew Dykstra*, Colorado State University
    Joseph Barth, University of Maryland
    (1030-37-168)
  • 4:30 p.m.
    Property A and Krieger equivalence classes in higher dimensional subshifts.
    Sam Lightwood*, Western Connecticut State University
    (1030-37-412)
  • 5:00 p.m.
    A class of higher dimensional shifts of finite type which factor onto the full shift.
    Angela V Desai*, University of Montevallo
    (1030-37-363)
  • 5:30 p.m.
    Recursive-Theoretic Aspects of Multidimensional Symbolic Dynamics.
    Michael Hochman*, Princeton University
    (1030-37-259)
• Friday October 5, 2007, 2:30 p.m.-5:45 p.m.
  Special Session on Automorphic Forms: Representation Theory of p-adic and Adelic Groups, II
  Room 1207, Lewis Center
  Organizers:
  Mahdi Asgari, Oklahoma State University asgari@math.okstate.edu
  Anantharam Raghuram, Oklahoma State University araghur@math.okstate.edu
  

  • 2:30 p.m.
    The local Langlands conjecture for GSp(4).
    Shuichiro Takeda*, University of California, San Diego/Ben Gurion University of the Negev.
    Wee Teck Gan, University of California, San Diego
    (1030-11-269)
  • 3:00 p.m.
    Liftings of Representations of Finite Groups with Applications to $p$-adic Base Change.
    Joshua M. Lansky*, American University
    Jeffrey D. Adler, American University
    (1030-22-179)
  • 3:30 p.m.
    Shalika models and functoriality.
    Yujun Qin*, Department of Mathematics, East China Normal University
    (1030-20-138)
  • 4:00 p.m.
    Determining "good test vectors" for the doubling method applied to the groups ${\rm Sp}_2(F)$ and $\widetilde{{\rm Sp}_2}(F)$.
    Christian A Zorn*, The Ohio State University
    (1030-22-294)
  • 4:30 p.m.
    The existence of Bessel models for GSp(4).
    Ramin Takloo-Bighash*, University of Illinois at Chicago
    (1030-11-272)
  • 5:00 p.m.
    Some Local Consequences of Functoriality.
    Freydoon Shahidi*, Purdue University
    (1030-11-279)
• Friday October 5, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Wave Propagation from Mathematical and Numerical Viewpoints, II
  Room 8009, DePaul Center
  Organizers:
  Gabriel Koch, University of Chicago koch@math.uchicago.edu
  Catalin Constantin Turc, Caltech and University of North Carolina at Charlotte turc@acm.caltech.edu
  Nicolae Tarfulea, Purdue University Calumet tarfulea@calumet.purdue.edu
  

  • 2:30 p.m.
    Two-dimensional water wave patterns.
    Min Chen*, Purdue University
    (1030-76-84)
  • 3:00 p.m.
    Symmetry Breaking of Ground States in Nonlinear Schroedinger Equation.
    Eduard Kirr*, University of Illinois at Urbana-Champaign
    M. I. Weinstein, Columbia University
    P. Kevrekidis, University of Massachussetts
    E. Shlizerman, Weizmann Institute
    (1030-35-204)
  • 3:30 p.m.
    On a class of nonlinear wave-particle solutions of integrable systems.
    Mikhail Kovalyov*, University of Alberta, Canada
    (1030-35-254)
  • 4:00 p.m.
    Break
  • 4:30 p.m.
    Travel Time and Tensor Tomography.
    Plamen Stefanov*, Purdue University
    (1030-53-228)
  • 5:00 p.m.
    A Coupled System of ODEs and Quasilinear Hyperbolic PDEs Arising in a Multiscale Blood Flow Model.
    Wei H Ruan*, Purdue University Calumet
    (1030-35-296)
  • 5:30 p.m.
    Maxwell's equations in nonlinear media.
    Aurelia Minut*, U.S. Naval Academy
    (1030-35-351)
• Friday October 5, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Algorithmic Probability and Combinatorics, II
  Room 1006, Lewis Center
  Organizers:
  Manuel Lladser, University of Colorado lladser@colorado.edu
  Robert S. Maier, University of Arizona rsm@math.arizona.edu
  

  • 3:00 p.m.
    Transforming and reducing D-finite combinatorial sequences.
    Robert S. Maier*, University of Arizona
    (1030-05-403)
  • 3:30 p.m.
    Systematic Asymptotic Enumeration of Regular Structures.
    Marni Mishna*, Dept. Mathematics, Simon Fraser University
    (1030-05-357)
  • 4:00 p.m.
    On the Congruences of Combinatorial Numbers.
    Shu-Chung Liu*, Department of Applied Mathematics, National Hsinchu University of Education, Hsinchu, Taiwan
    Sen-Peng Eu, Department of Applied Mathematics, National University of Kaohsiung, Kaohsiung, Taiwan
    Yeong-Nan Yeh, Institute of Mathematics, Academia Sinica, Taipei, Taiwan
    (1030-05-387)
  • 4:30 p.m.
    Planar tableaux in a strip as an exactly solvable model.
    Yuliy Baryshnikov*, Bell Labs
    Dan Romik, Hebrew University
    (1030-60-234)
  • 5:00 p.m.
    Asymptotic Enumeration of Trapping Sets in Random Tanner Graph Ensembles.
    Olgica Milenkovic*, University of Illinois, Urbana-Champaign
    Emina Soljanin, Alcatel-Lucent, Bell Labs Technology
    Philip Whiting, Alcatel-Lucent, Bell Labs Technologies
    (1030-05-233)
  • 5:30 p.m.
    Discussion
• Friday October 5, 2007, 3:00 p.m.-5:45 p.m.
  Special Session on Algebraic Geometry, II
  Room 8209, DePaul Center
  Organizers:
  Lawrence Man Hou Ein, University of Illinois at Chicago ein@math.uic.edu
  Anatoly S. Libgober, University of Illinois at Chicago libgober@math.uic.edu
  

  • 3:00 p.m.
    Strong exceptional collections of line bundles on toric del Pezzo DM stacks.
    Lev A. Borisov*, University of Wisconsin
    Zheng Hua, University of Wisconsin
    (1030-14-190)
  • 4:00 p.m.
    Non-flat base change and the orbifold HKR isomorphism.
    Andrei H. C\u ald\u araru*, University of Wisconsin, Madison
    (1030-14-339)
  • 5:00 p.m.
    Numerical inequalities via syzygies and generic vanishing.
    Mihnea Popa*, University of Illinois at Chicago
    (1030-14-140)

Saturday October 6, 2007

• Saturday October 6, 2007, 7:30 a.m.-12:00 p.m.
  Meeting Registration
  Lobby (8th Floor), Lewis Center
• Saturday October 6, 2007, 7:30 a.m.-12:00 p.m.
  Exhibit and Book Sale
  Lobby (8th Floor), Lewis Center
• Saturday October 6, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Free Resolutions, II
  Room 1007, Lewis Center
  Organizers:
  Noam Horwitz, Cornell University nh54@cornell.edu
  Irena Peeva, Cornell University ivp1@cornell.edu
  

  • 8:00 a.m.
    On the Multiplicity Conjecture for Simplicial Complexes.
    Michael Goff*, University of Washington
    (1030-05-115)
  • 8:30 a.m.
    Descent via Koszul extensions.
    Lars Winther Christensen*, Texas Tech University
    Sean Sather-Wagstaff, North Dakota State University
    (1030-13-242)
  • 9:00 a.m.
    Cohen-Macaulay Multigraded Modules.
    C-Y Jean Chan, Purdue University
    Christine Cumming*, University of Louisiana at Monroe
    Huy Tai Ha, Tulane University
    (1030-13-133)
  • 9:30 a.m.
    Resolutions over short local rings.
    Luchezar L Avramov, University of Nebraska, Lincoln
    Srikanth B Iyengar*, University of Nebraska, Lincoln
    Liana M Sega, University of Missouri, Kansas City
    (1030-13-53)
  • 10:00 a.m.
    The Goto numbers of parameter ideals.
    William Heinzer, Purdue University
    Irena Swanson*, Reed College
    (1030-13-268)
  • 10:30 a.m.
    Minimal Homogenous Liaison and Licci Ideals.
    Craig Huneke, University of Kansas
    Juan Migliore*, University of Notre Dame
    Uwe Nagel, University of Kentucky
    Bernd Ulrich, Purdue University
    (1030-13-181)
• Saturday October 6, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Smooth Dynamical Systems, III
  Room 8012, DePaul Center
  Organizers:
  Marian Gidea, Northeastern Illinois University mgidea@neiu.edu
  Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu
  

  • 8:00 a.m.
    Measure rigidity for smooth group actions: recent results and perspectives.
    Anatole Katok*, The Pennsylvania State University
    (1030-37-350)
  • 9:00 a.m.
    Smooth Rigidity for Lattice Actions.
    Theron J Hitchman*, University of Northern Iowa
    (1030-37-246)
  • 9:30 a.m.
    Liv\v{s}ic Theory for Cocycles taking Values in a Diffeomorphism Group.
    Alistair Windsor*, University of Memphis
    (1030-37-237)
  • 10:00 a.m.
    Logarithm laws for function fields.
    Jayadev S Athreya, Princeton University
    Anish Ghosh*, The University of Texas at Austin
    Amritanshu Prasad, The Institute of Mathematical Sciences, Chennai.
    (1030-37-150)
  • 10:30 a.m.
    Numerical Computation of Invariant Manifolds and Applications.
    Sheldon E Newhouse*, Mathematics Department, Michigan State University
    (1030-37-264)
• Saturday October 6, 2007, 8:30 a.m.-10:55 a.m.
  Special Session on Sequence Spaces and Transformations, III
  Room 1107, Lewis Center
  Organizers:
  Constantine Georgakis, DePaul University cgeorgak@condor.depaul.edu
  Martin Buntinas, Loyola University of Chicago mbuntin@math.luc.edu
  

  • 8:30 a.m.
    Hausdorff Transformations and Exchangeable Random Variables.
    Constantine Georgakis*, Department of Mathematics, DePaul University, Chicago, IL
    (1030-46-37)
  • 9:30 a.m.
    Spectra of Hausdorff matrices and other transformations.
    B. E. Rhoades*, Indiana University, Bloomington, IN 47405-7106
    (1030-40-55)
  • 10:30 a.m.
    Densities on $\mathbf{N}\times\mathbf{N}$ constructed from regular summability matrices.
    J. Connor*, Ohio University
    J. Kline, Washington and Jefferson University
    (1030-40-223)
• Saturday October 6, 2007, 8:30 a.m.-10:50 a.m.
  Special Session on Algorithmic Probability and Combinatorics, III
  Room 1006, Lewis Center
  Organizers:
  Manuel Lladser, University of Colorado lladser@colorado.edu
  Robert S. Maier, University of Arizona rsm@math.arizona.edu
  

  • 8:30 a.m.
    Fourier analysis and statistics on groups.
    Nicholas Eriksson*, Department of Statistics, University of Chicago
    Persi Diaconis, Departments of Mathematics and Statistics, Stanford University
    (1030-62-137)
  • 9:00 a.m.
    Minimal Markovian embeddings of non-Markovian random strings.
    Manuel E. Lladser*, Applied Mathematics, University of Colorado at Boulder
    (1030-60-243)
  • 9:30 a.m.
    Forbidden patterns in telling random from deterministic time series.
    Sergi Elizalde*, Dartmouth College
    (1030-05-321)
  • 10:00 a.m.
    New Dumont permutations.
    Alexander Burstein*, Howard University
    Walter Stromquist, Swarthmore College
    (1030-05-391)
  • 10:30 a.m.
    Statistics on permutation tableaux.
    Pawel Hitczenko*, Drexel University
    (1030-60-284)
• Saturday October 6, 2007, 9:00 a.m.-10:55 a.m.
  Special Session on Nonlinear Conservation Laws and Related Problems, III
  Room 8010, DePaul Center
  Organizers:
  Cleopatra Christoforou, University of Houston cleopatra@math.uh.edu
  Gui-Qiang Chen, Northwestern University gqchen@math.northwestern.edu
  

  • 9:00 a.m.
    Hyperbolic Balance Laws with Weak Dissipation.
    Constantine M. Dafermos*, Brown University
    (1030-35-32)
  • 9:30 a.m.
    Removable singularities of divergence free vector fields and related equations with measure data.
    Monica Torres*, Purdue University
    Cong Phuc Nguyen, Purdue University
    (1030-35-30)
  • 10:00 a.m.
    On contact discontinuity for Jin-Xin relaxation system.
    Ronghua Pan*, School of Mathematics, Georgia Institute of Technology
    Feimin Huang, Institute of Applied Math., Chinese Academy of Sciences
    Yi Wang, Institute of Applied Mathematics, Chinese Academy of Sciences
    (1030-35-54)
  • 10:30 a.m.
    Particle-size segregation in granular flow: a conservation law in two space dimensions.
    Michael Shearer*, North Carolina State University
    (1030-35-16)
• Saturday October 6, 2007, 9:00 a.m.-10:55 a.m.
  Special Session on Analysis and CR Geometry, III
  Room 8207, DePaul Center
  Organizers:
  Song-Ying Li, University of California Irvine sli@math.uci.edu
  Stephen S-T Yau, University of Illinois at Chicago yau@uic.edu
  

  • 9:00 a.m.
    Local integrability problems for CR structures and vector bundles.
    X. Gong, University of Wisconsin
    S. M. Webster*, University of Chicago
    (1030-32-341)
  • 9:30 a.m.
    Real hypersurfaces of low and constant Levi rank.
    Peter Ebenfelt*, UC, San Diego
    Salah Baouendi, UC, San Diego
    Dmitri Zaitsev, Trinity College, Dublin
    (1030-32-202)
  • 10:00 a.m.
    The Leray transform in two dimensions: spectral properties, transformation laws and duality.
    David E. Barrett*, University of Michigan
    Loredana Lanzani, University of Arkansas
    (1030-32-326)
  • 10:30 a.m.
    Rational maps between balls.
    Shanyu Ji*, Department of Mathematics, University of Houston
    (1030-32-229)
• Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Applied Harmonic Analysis, III
  Room 8002, DePaul Center
  Organizers:
  Jonathan Cohen, DePaul University jcohen@math.depaul.edu
  Ahmed I. Zayed, DePaul University azayed@math.depaul.edu
  

  • 9:00 a.m.
    Affine synthesis onto Lebesgue and Hardy spaces.
    H.-Q. Bui, University of Canterbury
    R. S. Laugesen*, University of Illinois, Urbana-Champaign
    (1030-42-20)
  • 9:30 a.m.
    Orthonormal Wavelets with Integer Matrix Dilations.
    Edward N. Wilson*, Washington University in St. Louis
    Damir Bakic, University of Zagreb, Zagreb, Croatia
    (1030-42-183)
  • 10:00 a.m.
    Independence and redundancy of integer translates of a square integrable function on the reals.
    Guido Weiss*, Washington University
    Hrvoje Sikic, University of Zagreb
    (1030-42-309)
  • 10:30 a.m.
    Custom factorizations of wavelet filter transforms.
    Mladen Victor Wickerhauser*, Washington University in Saint Louis, Missouri
    (1030-65-239)
• Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Singular Integrals and Related Problems, III
  Room 8011, DePaul Center
  Organizers:
  Laura De Carli, Florida International University decarlil@fiu.edu
  A. M. Stokolos, DePaul University astokolo@condor.depaul.edu
  

  • 8:30 a.m.
    Minimizing analytic capacity and Buffon needle probability on Pictures.
    Alexander L Volberg*, Mich. State Univ.
    (1030-30-78)
  • 9:00 a.m.
    Discussion
  • 9:30 a.m.
    Modulation Invariant Bilinear T(1) Theorem.
    Arpad Benyi, Western Washington University
    Ciprian Demeter, UCLA
    Andrea R. Nahmod, University of Massachusetts
    Christoph M. Thiele, UCLA
    Rodolfo H. Torres*, University of Kansas
    Paco Villarroya, UCLA
    (1030-42-388)
  • 10:00 a.m.
    Bilinear oscillatory integrals along curves.
    Xiaochun Li*, University of Illinois at Urbana-Champaign
    (1030-42-313)
  • 10:30 a.m.
    The characteristic function of the paraboloid is not a bounded bilinear multiplier.
    Maria del Carmen Reguera Rodriguez*, Department of Mathematics, University of Missouri
    (1030-42-320)
• Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Geometric Combinatorics, III
  Room 1005, Lewis Center
  Organizers:
  Caroline J. Klivans, University of Chicago cjk@math.uchicago.edu
  Kathryn Nyman, Loyola University Chicago knyman@luc.edu
  

  • 9:00 a.m.
    Multiplicity free expansions of Schur P functions.
    S van Willigenburg*, University of British Columbia
    (1030-05-58)
  • 9:30 a.m.
    The h-vector of a Lattice Path Matroid.
    Jay Schweig*, Cornell University
    (1030-05-299)
  • 10:00 a.m.
    Matching polytopes, toric geometry, and the nonnegative part of the Grassmannian.
    Alex Postnikov, MIT
    David Speyer, MIT
    Lauren Williams*, Harvard
    (1030-05-180)
  • 10:30 a.m.
    Face vectors of flag complexes.
    Andrew D. Frohmader*, University of Washington
    (1030-05-345)
• Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Differential Geometry and Its Applications, II
  Room 8206, DePaul Center
  Organizers:
  Jianguo Cao, University of Notre Dame cao.7@nd.edu
  

  • 9:00 a.m.
    Topology of nonnegatively curved Euclidean hypersurfaces spanning a prescribed boundary.
    Stephanie B. Alexander*, University of Illinois at Urbana-Champaign
    Mohammad Ghomi, Georgia Institute of Technology
    Jeremy A. Wong, University of Toronto
    (1030-53-369)
  • 9:30 a.m.
    Harmonic Maps and the Rigidity of Discrete Groups.
    Theron J Hitchman*, University of Northern Iowa
    David Fisher, Indiana University
    (1030-53-253)
  • 10:00 a.m.
    Asymptotic conditions for smooth rigidity.
    Chris Connell*, Indiana University
    (1030-53-365)
  • 10:30 a.m.
    Symmetric planar intersections characterize quadrics among certain tubes in $\mathbf{R}^3$.
    Bruce Solomon*, Indiana University
    (1030-53-195)
• Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Numerical and Symbolic Techniques in Algebraic Geometry and Its Applications, III
  Room 1110, Lewis Center
  Organizers:
  GianMario Besana, DePaul University gbesana@cti.depaul.edu
  Jan Verschelde, University of Illinois at Chicago jan@math.uic.edu
  Zhonggang Zeng, Northeastern Illinois University zzeng@neiu.edu
  

  • 9:00 a.m.
    The mixed volume computation, A revisit.
    Tsung-Lin Lee, Michigan State University, Department of Mathematics
    T.Y. Li*, Michigan State University, Department of Mathematics
    (1030-52-104)
  • 9:30 a.m.
    A new method for real root-finding using Gale duality.
    Daniel J Bates*, IMA (University of Minnesota)
    (1030-14-360)
  • 10:00 a.m.
    Thomae's formula for normal cyclic curves.
    Galbodayage Sujeeva Wijesiri*, Oakland University
    (1030-14-48)
  • 10:30 a.m.
    Eliminating near multiplicities in polynomial systems: a global approach.
    Itnuit Janovitz-Freireich, North Carolina State University
    Bernard Mourrain, INRIA Sophia-Antipolis
    Lajos Ronyai, MTA SZTAKI and Budapest University of Technology and Economics
    Agnes Szanto*, North Carolina State University
    (1030-08-302)
• Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Algebraic Coding Theory (in honor of Harold N. Ward's retirement), III
  Room 1217, Lewis Center
  Organizers:
  Jay A. Wood, Western Michigan University jay.wood@wmich.edu
  

  • 9:00 a.m.
    Upper Bounds for the length of $s$-Extremal Codes over $\mathbb F_2$, $\mathbb F_4$, and $\mathbb F_2 + u\mathbb F_2$.
    Sunghyu Han*, Department of Mathematics, University of Louisville
    Jon-Lark Kim, Department of Mathematics, University of Louisville
    (1030-94-175)
  • 9:30 a.m.
    Coding theory over finite principal ideal rings.
    Hamid Kulosman*, University of Louisville
    (1030-94-275)
  • 10:00 a.m.
    Codes over rings.
    Steven T Dougherty*, University of Scranton
    (1030-94-108)
  • 10:30 a.m.
    Character-theoretic proofs of equivalence theorems.
    Jay A. Wood*, Western Michigan University
    (1030-94-61)
• Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, III
  Room 1216, Lewis Center
  Organizers:
  Sung Y. Song, Iowa State University sysong@iastate.edu
  Paul Terwilliger, University of Wisconsin terwilli@math.wisc.edu
  

  • 9:00 a.m.
    Association schemes from simple Bol loops.
    J. D. H. Smith*, Iowa State University
    K. W. Johnson, Penn State University Abington
    (1030-20-167)
  • 9:30 a.m.
    On Morphisms of Association Schemes.
    Bangteng Xu*, Eastern Kentucky University
    (1030-05-56)
  • 10:00 a.m.
    Fusions of character tables of groups and association schemes.
    Kenneth W Johnson*, Penn State University, Abington College,
    Stephen P Humphries, Brigham Young University
    (1030-20-235)
  • 10:30 a.m.
    Nilpotent Table Algebras.
    Harvey I. Blau*, Northern Illinois University
    Bangteng Xu, Eastern Kentucky University
    (1030-05-322)
• Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Graph Theory, III
  Room 1214, Lewis Center
  Organizers:
  Hemanshu Kaul, Illinois Institute of Technology kaul@iit.edu
  Michael J. Pelsmajer, Illinois Institute of Technology pelsmajer@iit.edu
  

  • 9:00 a.m.
    Colorings and Crossings.
    Michael O. Albertson*, Smith College
    (1030-05-290)
  • 9:30 a.m.
    Graphs with Rotation.
    Marcus Schaefer*, DePaul University
    Michael Pelsmajer, Illinois Institute of Technology
    Daniel Stefankovic, University of Rochester
    (1030-05-154)
  • 10:00 a.m.
    On the minor crossing number.
    Drago Bokal, University of Ljubljana
    \'Eva Czabarka, University of South Carolina
    L\'aszl\'o A. Sz\'ekely*, University of South Carolina
    Imrich Vrt'o, Institute of Mathematics, Slovak Academy of Sciences
    (1030-05-291)
  • 10:30 a.m.
    Constrained coloring problems for planar graphs.
    Andr\'e K\"undgen*, Cal State San Marcos
    (1030-05-383)
• Saturday October 6, 2007, 9:00 a.m.-10:45 a.m.
  Special Session on Model Theory of Non-elementary Classes, III
  Room 1106, Lewis Center
  Organizers:
  John T. Baldwin, University of Illinois at Chicago jbaldwin@uic.edu
  David W. Kueker, University of Maryland dwk@math.umd.edu
  Rami Grossberg, Carnegie Mellon University rami@cmu.edu
  

  • 9:00 a.m.
    Independence in Finitary Abstract Elementary Classes.
    Meeri Kesälä*, University of Illinois at Chicago
    (1030-03-276)
  • 10:00 a.m.
    Abstract Elementary Classes and Infinitary Logics.
    David W. Kueker*, University of Maryland, College Park
    (1030-03-83)
• Saturday October 6, 2007, 9:00 a.m.-10:55 a.m.
  Special Session on Hopf Algebras and Related Areas, III
  Room 1210, Lewis Center
  Organizers:
  Yevgenia Kashina, DePaul University ykashina@condor.depaul.edu
  Leonid Krop, DePaul University lkrop@condor.depaul.edu
  M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
  David E. Radford, University of Illinois at Chicago radford@uic.edu
  

  • 9:00 a.m.
    Semisimple quasi-Hopf algebras of prime power dimension are group-theoretical.
    Dmitri Nikshych*, University of New Hampshire
    (1030-16-109)
  • 9:30 a.m.
    Lagrangian subcategories and braided tensor equivalences of twisted quantum doubles of finite groups.
    Deepak Naidu*, University of New Hampshire
    Dmitri Nikshych, University of New Hampshire
    (1030-16-23)
  • 10:00 a.m.
    Higher Frobenius-Schur indicators for fusion categories and quasi-Hopf algebras.
    Peter C Schauenburg*, Mathematisches Institut der Universit{\"a}t M{\"u}nchen
    Siu-Hung Ng, Department of Mathematics, Iowa State University
    (1030-16-288)
  • 10:30 a.m.
    Frobenius-Schur Indicators and Exponents.
    Siu-Hung Ng*, Iowa State University
    Peter Schauenburg, Universit\"at M\"unchen
    (1030-18-82)
• Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Extremal and Probabilistic Combinatorics, III
  Room 1004, Lewis Center
  Organizers:
  Jozsef Balogh, University of Illinois at Urbana-Champaign jobal@math.uiuc.edu
  Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu
  

  • 9:00 a.m.
    Discussion
  • 9:30 a.m.
    Tur\'an's problem for the hypercube.
    J Robert Johnson, Queen Mary University of London
    John Talbot*, University College London
    (1030-05-99)
  • 10:00 a.m.
    Extremal Problems for counting homomorphisms.
    Jonathan Cutler, Montclair State University
    Andrew J Radcliffe*, University of Nebraska-Lincoln
    (1030-05-315)
  • 10:30 a.m.
    Avoiding induced subgraphs as transversals in vertex-partitions.
    Maria Axenovich*, Iowa State University
    Ryan Martin, Iowa State University
    (1030-05-295)
• Saturday October 6, 2007, 9:00 a.m.-10:45 a.m.
  Special Session on Algebraic Geometry, III
  Room 8209, DePaul Center
  Organizers:
  Lawrence Man Hou Ein, University of Illinois at Chicago ein@math.uic.edu
  Anatoly S. Libgober, University of Illinois at Chicago libgober@math.uic.edu
  

  • 9:00 a.m.
    On the Hodge filtration of local systems.
    Nero Budur*, University of Notre Dame
    (1030-14-300)
  • 10:00 a.m.
    Degenerations and the cohomology of homogeneous varieties.
    Izzet Coskun*, University of Illinois at Chicago
    (1030-14-176)
• Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Ergodic Theory and Symbolic Dynamical Systems, III
  Room 8014, DePaul Center
  Organizers:
  Ayse A. Sahin, DePaul University asahin@condor.depaul.edu
  Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu
  

  • 9:00 a.m.
    Fluctuations of ergodic sums for horocycle flows on some infinite surfaces.
    Francois Ledrappier*, University of Notre Dame
    Omri Sarig, Penn. State University
    (1030-37-222)
  • 9:30 a.m.
    Almost automorphicity in dynamical systems.
    Alica Miller*, University of Louisville
    (1030-37-371)
  • 10:00 a.m.
    \textbf{Heaviness} and Symbolic Dynamics.
    David Ralston*, Rice University
    (1030-37-97)
  • 10:30 a.m.
    A characterization of the Morse minimal set up to topological conjugacy.
    Ethan M. Coven, Wesleyan University
    Michael Keane*, Wesleyan University
    Michelle Lemasurier, Hamilton College
    (1030-37-380)
• Saturday October 6, 2007, 9:00 a.m.-10:55 a.m.
  Special Session on Automorphic Forms: Representation Theory of p-adic and Adelic Groups, III
  Room 1207, Lewis Center
  Organizers:
  Mahdi Asgari, Oklahoma State University asgari@math.okstate.edu
  Anantharam Raghuram, Oklahoma State University araghur@math.okstate.edu
  

  • 9:00 a.m.
    Survey of affine Deligne-Lusztig varieties.
    Robert E. Kottwitz*, University of Chicago
    (1030-22-342)
  • 10:00 a.m.
    Newton-Hodge Filtration for Self-Dual $F$-Crystals.
    N. Elizabeth Csima*, University of Chicago
    (1030-14-362)
  • 10:30 a.m.
    Residues of Intertwining Operators for Classical Groups.
    Steven T Spallone*, Purdue University
    (1030-22-323)
• Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Wave Propagation from Mathematical and Numerical Viewpoints, III
  Room 8009, DePaul Center
  Organizers:
  Gabriel Koch, University of Chicago koch@math.uchicago.edu
  Catalin Constantin Turc, Caltech and University of North Carolina at Charlotte turc@acm.caltech.edu
  Nicolae Tarfulea, Purdue University Calumet tarfulea@calumet.purdue.edu
  

  • 9:00 a.m.
    The uniform Korn-Poincare inequality in thin domains.
    Marta Lewicka*, University of Minnesota
    (1030-35-286)
  • 9:30 a.m.
    Inverse medium scattering for Maxwell's equations at fixed frequency.
    Gang Bao, Michigan State University
    Peijun Li*, University of Michigan
    (1030-78-250)
  • 10:00 a.m.
    Elastic waves in incompressible anisotropic elasticity--some new results.
    Sudhakar E. Nair*, Illinois Institute of Technology, Chicago, Illinois, 60616
    (1030-74-336)
  • 10:30 a.m.
    Boundary Perturbation Methods for High-Frequency Acoustic Scattering: Shallow Periodic Gratings.
    David P. Nicholls*, University of Illinois at Chicago
    Fernando Reitich, University of Minnesota
    (1030-65-197)
• Saturday October 6, 2007, 9:30 a.m.-10:50 a.m.
  Special Session on The Euler and Navier-Stokes Equations, III
  Room 8005, DePaul Center
  Organizers:
  Alexey Cheskidov, University of Michigan acheskid@umich.edu
  Susan J. Friedlander, University of Illinois at Chicago susan@math.uic.edu
  Roman Shvydkoy, University of Illinois at Chicago shvydkoy@math.uic.edu
  

  • 9:30 a.m.
    Blow-up and regularity in some discrete models of the Euler equation.
    Alexander Kiselev, University of Wisconsin-Madison
    Andrej Zlatos*, University of Chicago
    (1030-76-344)
  • 10:00 a.m.
    On the average energy and average enstrophy of the 3D turbulent flows.
    Radu Dascaliuc*, Indiana University
    Ciprian Foias, Texas A&M University
    Michael S Jolly, Indiana University
    (1030-35-356)
  • 10:30 a.m.
    Instability of surface water waves.
    Zhiwu Lin*, University of Missouri-Columbia
    (1030-76-293)
• Saturday October 6, 2007, 10:00 a.m.-10:25 a.m.
  Session on Session for Contributed Papers
  Room 1111, Lewis Center
  

  • 10:00 a.m.
    The Sheffer Group, the Riordan Group, and their Characterization.
    Tian-Xiao He*, Illinois Wesleyan University
    (1030-05-248)
  • 10:15 a.m.
    Group gradings on simple Lie and Jordan algebras and Hopf algebras.
    Yuri Bahturin*, Memorial University of Newfoundland
    (1030-16-415)
• Saturday October 6, 2007, 11:10 a.m.-12:00 p.m.
  Invited Address
  Incidence theory, Fourier analysis and applications to geometric combinatorics and additive number theory.
  Room 8005, DePaul Center
  Alex Iosevich*, University of Missouri
  (1030-42-03)
• Saturday October 6, 2007, 1:30 p.m.-2:20 p.m.
  Invited Address
  Origins and applications of some nonlinear equations in conformal geometry.
  Room 8005, DePaul Center
  Matthew J. Gursky*, University of Notre Dame
  (1030-35-02)
• Saturday October 6, 2007, 2:30 p.m.-4:55 p.m.
  Special Session on Sequence Spaces and Transformations, IV
  Room 1107, Lewis Center
  Organizers:
  Constantine Georgakis, DePaul University cgeorgak@condor.depaul.edu
  Martin Buntinas, Loyola University of Chicago mbuntin@math.luc.edu
  

  • 2:30 p.m.
    Hausdorff Means and Inequalities.
    Grahame Bennett*, Indiana University
    (1030-40-186)
  • 3:30 p.m.
    Characterizations of the matrices whose norms are determined by their actions on decreasing sequences.
    Hao-Wei Huang*, Indiana University
    (1030-46-170)
  • 4:00 p.m.
    Absolute summability methods.
    Hamdullah \c{S}evli*, Y\"uz\"unc\"u Yil University, Van-Turkey
    (1030-40-189)
  • 4:30 p.m.
    Automorphic-Invariant Non-Densely Defined\\ Hermitian Contractive Operators.
    Miron B Bekker*, Department of Mathematics and Statistics, University of Missouri-Rolla
    (1030-46-21)
• Saturday October 6, 2007, 2:30 p.m.-4:55 p.m.
  Special Session on Nonlinear Conservation Laws and Related Problems, IV
  Room 8010, DePaul Center
  Organizers:
  Cleopatra Christoforou, University of Houston cleopatra@math.uh.edu
  Gui-Qiang Chen, Northwestern University gqchen@math.northwestern.edu
  

  • 2:30 p.m.
    On the formation of adiabatic shear bands.
    Theocharis Baxevanis, University of Crete, Greece
    Thodoros Katsaounis, University of Crete, Greece
    Athanasios E. Tzavaras*, University of Maryland
    (1030-35-22)
  • 3:00 p.m.
    Systems of Hamilton-Jacobi equations and non-cooperative differential games.
    Alberto Bressan*, Penn State University
    (1030-35-62)
  • 3:30 p.m.
    Transonic flows for full Euler equations in 2-D nozzles.
    Qui-Qiang Chen, Northwestern University
    Jun Chen*, University of Wisconsin, Madison
    Mikhail Feldman, University of Wisconsin, Madison
    (1030-35-08)
  • 4:00 p.m.
    Perturbation techniques applied to the parabolic approximation of a boundary Riemann problem.
    Laura Valentina Spinolo*, Northwestern University, Evanston, IL
    Stefano Bianchini, SISSA-ISAS, Trieste, Italy
    (1030-35-39)
  • 4:30 p.m.
    From the dynamics of gaseous stars to the incompressible Euler equations.
    Konstantina Trivisa*, University of Maryland
    Donatella Donatelli, University of L'Aquila
    (1030-35-40)
• Saturday October 6, 2007, 2:30 p.m.-5:55 p.m.
  Special Session on Analysis and CR Geometry, IV
  Room 8207, DePaul Center
  Organizers:
  Song-Ying Li, University of California Irvine sli@math.uci.edu
  Stephen S-T Yau, University of Illinois at Chicago yau@uic.edu
  

  • 2:30 p.m.
    Holomorphic approximations in Banach spaces.
    Laszlo Lempert*, Purdue University
    (1030-32-210)
  • 3:00 p.m.
    Concepts of general position and a Second Main Theorem for non-linear divisors.
    Pit-Mann Wong*, University of Notre Dame
    H. F. Law, University of Hong Kong, Hong Kong
    Philip P.-W. Wong, University of Hong Kong
    (1030-32-397)
  • 3:30 p.m.
    Sharp Estimates for the $\bar{\partial}$-Neumann Problem on Regular coordinate domains.
    Jae-Seong Cho*, Purdue University
    David Catlin, Purdue University
    (1030-32-205)
  • 4:00 p.m.
    The envelope of holomorphy of certain 2 manifolds.
    Berit Stensones*, University of Michigan
    (1030-32-430)
  • 4:30 p.m.
    Attracting basins of volume preserving automorphisms of $\mathbb{C}^k$.
    Han Peters, University of Wisconsin
    Liz R Vivas*, University of Michigan
    Erlend Wold, University of Oslo
    (1030-32-407)
  • 5:00 p.m.
    Constructing supporting manifolds for non-pseudoconvex domains in $\mathbb{C}^n$.
    Anna Siano*, University of Michigan
    (1030-32-224)
  • 5:30 p.m.
    Boundary smoothness and irregularity of the $\overline{\partial}$-Neumann problem.
    S\"{o}nmez \c{S}ahuto\u{g}lu*, University of Michigan
    (1030-32-134)
• Saturday October 6, 2007, 2:30 p.m.-4:20 p.m.
  Special Session on Applied Harmonic Analysis, IV
  Room 8002, DePaul Center
  Organizers:
  Jonathan Cohen, DePaul University jcohen@math.depaul.edu
  Ahmed I. Zayed, DePaul University azayed@math.depaul.edu
  

  • 2:30 p.m.
    Harmonic Polysplines.
    W. R. Madych*, University of Connecticut
    (1030-41-240)
  • 3:00 p.m.
    Discussion
  • 3:30 p.m.
    Wavelets and three-way tiling sets in two dimensions.
    Gestur Olafsson*, Louisiana State University
    David Larson, Texas A&M
    Peter Massopust, GSF-National Research Center for Environment and Health and Univ. Munich
    (1030-43-113)
  • 4:00 p.m.
    Subspaces of $L^2(\mathbb{R})$ with the sampling property.
    R. T. W. Martin*, University of Waterloo
    (1030-47-100)
• Saturday October 6, 2007, 2:30 p.m.-5:20 p.m.
  Special Session on Singular Integrals and Related Problems, IV
  Room 8011, DePaul Center
  Organizers:
  Laura De Carli, Florida International University decarlil@fiu.edu
  A. M. Stokolos, DePaul University astokolo@condor.depaul.edu
  

  • 2:30 p.m.
    Some results and open problems related to multilinear operators associated with rough kernels or multipliers.
    Geoff Diestel*, University of South Carolina
    (1030-42-373)
  • 3:00 p.m.
    Paraproducts as bilinear Calderon-Zygmund operators.
    Diego Maldonado*, Kansas State University
    Arpad Benyi, Western Washington University
    Andrea Nahmod, University of Massachusetts, Amherst
    Rodolfo Torres, University of Kansas
    (1030-42-81)
  • 3:30 p.m.
    Weighted norm inequalities for bilinear pseudodifferential operators with mild regularity.
    Virginia Naibo*, Kansas State University
    Diego Maldonado, Kansas State University
    (1030-42-88)
  • 4:00 p.m.
    Boundary Value Problems for Higher Order Elliptic Operators in Two Dimensions.
    Irina Mitrea*, University of Virginia
    (1030-45-343)
  • 4:30 p.m.
    The Green function estimates and Wiener's test for the biharmonic equation.
    Svitlana Mayboroda*, The Ohio State University
    Vladimir Maz'ya, The Ohio State University
    (1030-35-327)
  • 5:00 p.m.
    Mixed Boundary Value Problems for the Stokes System.
    Matthew Wright*, University of Missouri
    (1030-35-334)
• Saturday October 6, 2007, 2:30 p.m.-4:50 p.m.
  Special Session on Geometric Combinatorics, IV
  Room 1005, Lewis Center
  Organizers:
  Caroline J. Klivans, University of Chicago cjk@math.uchicago.edu
  Kathryn Nyman, Loyola University Chicago knyman@luc.edu
  

  • 2:30 p.m.
    Discussion
  • 3:00 p.m.
    Higher-order non-Euclidean oriented matroid programs and triangulations.
    Laura Anderson*, Binghamton University
    (1030-05-220)
  • 3:30 p.m.
    Affine and toric hyperplane arrangements.
    Margaret A. Readdy*, University of Kentucky
    Richard Ehrenborg, University of Kentucky
    Michael Slone, University of Kentucky
    (1030-05-93)
  • 4:00 p.m.
    The Steinberg torus and affine descents.
    T. Kyle Petersen*, University of Michigan
    (1030-05-105)
  • 4:30 p.m.
    The discrete fundamental group of the associahedron.
    Helene Barcelo*, Arizona State University
    Christopher Severs, Arizona State University
    (1030-05-346)
• Saturday October 6, 2007, 2:30 p.m.-4:50 p.m.
  Special Session on Differential Geometry and Its Applications, III
  Room 8206, DePaul Center
  Organizers:
  Jianguo Cao, University of Notre Dame cao.7@nd.edu
  

  • 2:30 p.m.
    Fake projective planes and fake Hermitian symmetric spaces.
    Sai-Kee Yeung*, Purdue University
    (1030-51-91)
  • 3:00 p.m.
    Ergodic Frame Flow and Rank Rigidity.
    David Constantine*, University of Michigan
    (1030-53-213)
  • 3:30 p.m.
    Subdifferentials of functions on metric spaces with convex tangent spaces.
    Libin Mou*, Bradley University
    (1030-53-419)
  • 4:00 p.m.
    Theta lifts of eigenfunctions.
    Harold Gerard Donnelly*, Purdue University
    (1030-58-49)
  • 4:30 p.m.
    Recovering parallel Jacobi fields from ultraflats.
    Jean-Francoise Lafont*, Ohio State University
    (1030-53-429)
• Saturday October 6, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Numerical and Symbolic Techniques in Algebraic Geometry and Its Applications, IV
  Room 1110, Lewis Center
  Organizers:
  GianMario Besana, DePaul University gbesana@cti.depaul.edu
  Jan Verschelde, University of Illinois at Chicago jan@math.uic.edu
  Zhonggang Zeng, Northeastern Illinois University zzeng@neiu.edu
  

  • 2:30 p.m.
    Equations of curves with automorphisms.
    Tanush Shaska*, Oakland University
    (1030-14-47)
  • 3:00 p.m.
    NHOM4PSpara - Parallel Implementation of the Polyhedral Homotopy Continuation Method for Polynomial Systems.
    Chih-Hsiung Tsai*, Department of Mathematics/Michigan State University
    (1030-65-128)
  • 3:30 p.m.
    The Newton Polytope Construction for Systems of Equations.
    John McDonald*, DePaul University
    (1030-52-422)
  • 4:00 p.m.
    Break
  • 4:30 p.m.
    Applications of homotopies in the space of sections of a sheaf.
    Chris S Peterson*, Colorado State University
    (1030-14-308)
  • 5:00 p.m.
    A rank-revealing method for low rank matrices with updating, downdating, and applications.
    Lee Tsung-Lin*, Michigan State University
    Li Tien-Yien, Michigan State University
    Zeng Zhonggang, Northeastern Illinois University
    (1030-65-124)
  • 5:30 p.m.
    Multiple Zeros of Analytic Systems.
    Barry H Dayton*, Northeastern Illinois University
    (1030-14-65)
• Saturday October 6, 2007, 2:30 p.m.-5:20 p.m.
  Special Session on Algebraic Coding Theory (in honor of Harold N. Ward's retirement), IV
  Room 1217, Lewis Center
  Organizers:
  Jay A. Wood, Western Michigan University jay.wood@wmich.edu
  

  • 2:30 p.m.
    Partial permutation decoding of Hermitian codes.
    Gretchen L Matthews*, Clemson University
    (1030-14-185)
  • 3:00 p.m.
    Groebner Bases \& List Decoding BCH Codes.
    Philip R Busse*, University of Kentucky
    (1030-14-244)
  • 3:30 p.m.
    Hadamard Matrices.
    Stephen London, University of Illinois at Chicago, Chicago, IL
    Vera Pless*, UIC, Chicago, IL
    (1030-05-123)
  • 4:00 p.m.
    New results on self-orthogonal codes.
    Xiang-dong Hou*, University of South Florida
    (1030-94-319)
  • 4:30 p.m.
    A MacWilliams Identity for Convolutional Codes.
    Heide Gluesing-Luerssen*, University of Kentucky
    (1030-94-68)
  • 5:00 p.m.
    Cyclic convolutional codes and skew polynomial rings.
    Sergio R Lopez-Permouth*, Ohio University
    Steve Szabo, Ohio University
    (1030-94-337)
• Saturday October 6, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, IV
  Room 1216, Lewis Center
  Organizers:
  Sung Y. Song, Iowa State University sysong@iastate.edu
  Paul Terwilliger, University of Wisconsin terwilli@math.wisc.edu
  

  • 2:30 p.m.
    Leonard triples.
    Brian W Curtin*, University of South Florida
    (1030-05-314)
  • 3:00 p.m.
    \qquad \qquad {\bf A family of tridiagonal pairs.}\\.
    Melvin A. Vidar*, University of Wisconsin-Madison and University of the East-Manila, Philippines
    (1030-15-329)
  • 3:30 p.m.
    Characterization of Tridiagonal Pair via Split Decomposition.
    Ali Godjali*, University of Wisconsin-Madison
    (1030-15-333)
  • 4:00 p.m.
    The subconstituent algebra of a Latin square.
    Ibtisam Daqqa*, University of South Florida
    Brian Curtin, University of South Florida
    (1030-05-158)
  • 4:30 p.m.
    Comparison of Character Formulas for the Lie superalgebra $gl(m,n)$.
    Ian M Musson*, University of Wisconsin at Milwaukee
    (1030-05-426)
  • 5:00 p.m.
    The Terwilliger algebra of the wreath power of H(1,q).
    Gargi Bhattacharyya*, Iowa State University
    Sung-Yell Song, Iowa State University
    (1030-05-169)
  • 5:30 p.m.
    The Robertson-Anstee cage with 40 vertices and related association scheme.
    Mikhail H. Klin*, Department of Mathematics, Ben-Gurion University of the Negev
    Matan Ziv-Av, Department of Mathematics, Ben-Gurion University of the Negev
    (1030-05-307)
• Saturday October 6, 2007, 2:30 p.m.-4:50 p.m.
  Special Session on Graph Theory, IV
  Room 1214, Lewis Center
  Organizers:
  Hemanshu Kaul, Illinois Institute of Technology kaul@iit.edu
  Michael J. Pelsmajer, Illinois Institute of Technology pelsmajer@iit.edu
  

  • 2:30 p.m.
    Multi-route Cuts and Flows.
    Chandra Chekuri*, University of Illinois, Urbana-Champaign
    Sanjeev Khanna, University of Pennsylvania
    (1030-68-227)
  • 3:00 p.m.
    The linear discrepancy of product of chains.
    Jeong Ok Choi*, University of Illinois at Urbana-Champaign
    Douglas B. West, University of Illinois at Urbana-Champaign
    (1030-05-394)
  • 3:30 p.m.
    Partitions of finite vector spaces into subspaces.
    Saad El-Zanati, Illinois State University
    George Seelinger, Illinois State University
    Papa Sissokho*, Illinois State University
    Larry Spence, Illinois State University
    Charles Vanden Eynden, Illinois State University
    (1030-05-267)
  • 4:00 p.m.
    Graphic Gap-Free Sequences.
    Stephen G. Hartke*, University of Nebraska--Lincoln
    (1030-05-364)
  • 4:30 p.m.
    Discussion
• Saturday October 6, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Free Resolutions, III
  Room 1007, Lewis Center
  Organizers:
  Noam Horwitz, Cornell University nh54@cornell.edu
  Irena Peeva, Cornell University ivp1@cornell.edu
  

  • 2:30 p.m.
    Optimal asymptotic results for powers containing symbolic powers.
    Cristiano Bocci, University of Milan
    Brian Harbourne*, University of Nebraska-Lincoln
    (1030-13-192)
  • 3:00 p.m.
    The Eliahou-Kervaire resolution is cellular.
    Jeff A Mermin*, University of Kansas
    (1030-13-217)
  • 3:30 p.m.
    Shellable graphs and sequentially Cohen-Macaulay bipartite graphs.
    Adam Van Tuyl*, Dept. of Mathematical Sciences, Lakehead University
    (1030-13-102)
  • 4:00 p.m.
    Minimal free resolutions over rational normal curves.
    Noam Horwitz*, Cornell University
    Vesselin Gasharov, Cornell University
    Irena Peeva, Cornell University
    (1030-13-332)
  • 4:30 p.m.
    Edge ideals and odd cycles in a graph.
    Tai H. Ha*, Tulane University
    Chris A. Francisco, Oklahoma State University
    Adam Van Tuyl, Lakehead University
    (1030-13-89)
  • 5:00 p.m.
    Complete intersection dimension and Auslander classes.
    Sean Sather-Wagstaff*, North Dakota State University
    Diana White, University of South Carolina
    (1030-13-111)
  • 5:30 p.m.
    On liftable and weakly liftable modules.
    Hailong Dao*, University of Utah
    (1030-13-90)
• Saturday October 6, 2007, 2:30 p.m.-5:55 p.m.
  Special Session on Model Theory of Non-elementary Classes, IV
  Room 1106, Lewis Center
  Organizers:
  John T. Baldwin, University of Illinois at Chicago jbaldwin@uic.edu
  David W. Kueker, University of Maryland dwk@math.umd.edu
  Rami Grossberg, Carnegie Mellon University rami@cmu.edu
  

  • 2:30 p.m.
    Fractured a.e.c. and the parallel to superstability.
    Saharon Shelah*, Hebrew University of Jerusalem
    (1030-03-381)
  • 3:30 p.m.
    Stability and tameness.
    John Baldwin, University of Illinois at Chicago
    Alexei Kolesnikov*, Towson University
    (1030-03-277)
  • 4:30 p.m.
    Around simplicity in various non-elementary classes.
    Andr\'es Villaveces*, Professor - Department of Mathematics - Universidad Nacional de Colombia
    (1030-03-310)
  • 5:00 p.m.
    Definable groups in simple metric structures.
    Bradd Hart*, McMaster University
    (1030-03-367)
  • 5:30 p.m.
    Application topics for the $[0,1]$-valued continuous version of first-order logic.
    C.\ Ward Henson*, University of Illinois at Urbana-Champaign
    (1030-03-103)
• Saturday October 6, 2007, 2:30 p.m.-5:55 p.m.
  Special Session on Hopf Algebras and Related Areas, IV
  Room 1210, Lewis Center
  Organizers:
  Yevgenia Kashina, DePaul University ykashina@condor.depaul.edu
  Leonid Krop, DePaul University lkrop@condor.depaul.edu
  M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
  David E. Radford, University of Illinois at Chicago radford@uic.edu
  

  • 2:30 p.m.
    Computing the second cohomology of Hopf algebras.
    Akira Masuoka*, Institute of Mathematics, University of Tsukuba
    (1030-16-95)
  • 3:00 p.m.
    Representations of quantum $SL(2)$ at roots of unity.
    William Chin*, DePaul University
    (1030-16-71)
  • 3:30 p.m.
    Braid group representations from twisted quantum doubles of finite groups.
    Pavel Etingof, Massachusetts Institute of Technology
    Eric Rowell, Texas A&M University
    Sarah Witherspoon*, Texas A&M University
    (1030-16-41)
  • 4:00 p.m.
    Simple deformations of finite groups.
    Sonia Natale*, Universidad Nacional de C\' ordoba. CIEM--CONICET.
    C\' esar N. Galindo, Universidad Nacional de C\' ordoba. CONICET.
    (1030-16-38)
  • 4:30 p.m.
    Frobenius-Schur indicators and their generalizations.
    Yorck Sommerh\"auser*, University of South Alabama
    (1030-16-261)
  • 5:00 p.m.
    Representations of some Hopf algebras associated to the symmetric group.
    Andrea Jedwab*, University of Southern California
    Susan Montgomery, University of Southern California
    (1030-16-232)
  • 5:30 p.m.
    Semisimple Hopf algebras with large abelian groups of grouplikes.
    Yevgenia Kashina*, DePaul University
    (1030-16-283)
• Saturday October 6, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Extremal and Probabilistic Combinatorics, IV
  Room 1004, Lewis Center
  Organizers:
  Jozsef Balogh, University of Illinois at Urbana-Champaign jobal@math.uiuc.edu
  Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu
  

  • 2:30 p.m.
    Bandwidth of grid type of graphs.
    Jozsef Balogh*, U. of Illinois
    (1030-05-85)
  • 3:00 p.m.
    Properly colored cycles and rainbow cycles in edge-colored graphs.
    Tao Jiang*, Miami University
    (1030-05-281)
  • 3:30 p.m.
    On a Likely Number of Solutions for a Stable Marriage Problem.
    Craig Lennon*, The Ohio State University
    Boris Pittel, The Ohio State University
    (1030-05-27)
  • 4:00 p.m.
    Break
  • 4:30 p.m.
    On the edit distance in graphs.
    Jozsef Balogh, University of Illinois at Urbana-Champaign
    Ryan Martin*, Iowa State University
    (1030-05-126)
  • 5:00 p.m.
    The Hales-Jewett Number and Hypercube Tic-tac-toe.
    Jozsef Beck, Rutgers University
    Wesley Pegden, Rutgers University
    Sujith Vijay*, University of Illinois at Urbana-Champaign
    (1030-05-198)
  • 5:30 p.m.
    Discussion
• Saturday October 6, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on The Euler and Navier-Stokes Equations, IV
  Room 8005, DePaul Center
  Organizers:
  Alexey Cheskidov, University of Michigan acheskid@umich.edu
  Susan J. Friedlander, University of Illinois at Chicago susan@math.uic.edu
  Roman Shvydkoy, University of Illinois at Chicago shvydkoy@math.uic.edu
  

  • 2:30 p.m.
    Non-local maximum principle in fluid mechanics and applications to critical surface quasi-geostrophic and Burgers equations.
    Alexander Kiselev*, University of Wisconsin, Madison
    Fedor Nazarov, University of Wisconsin, Madison
    Alexander Volberg, Michigan State University
    (1030-76-289)
  • 3:00 p.m.
    Regularity of solutions to the Navier-Stokes equations evolving from small initial data in a critical space.
    Pierre Germain, New York University
    Natasa Pavlovic*, The University of Texas at Austin
    Gigliola Staffilani, Massachusetts Institute of Technology
    (1030-35-98)
  • 3:30 p.m.
    Dynamic transition and stability in geophysical fluid dynamics.
    Chun-Hsiung Hsia, University of Illinois at Chicago
    Tian Ma, Sichuan University
    Shouhong Wang*, Indiana University
    (1030-76-139)
  • 4:00 p.m.
    Dicsussion
  • 4:30 p.m.
    Regularity of the Primitive Equations of the Ocean.
    Igor Kukavica*, University of Southern California
    Mohammed Ziane, University of Southern California
    (1030-35-414)
  • 5:00 p.m.
    Stationary Statistical Solutions of Navier-Stokes equations and the zero viscosity limit.
    Peter Constantin*, The University of Chicago
    Fabio Ramos, Weizmann Institute
    (1030-35-219)
  • 5:30 p.m.
    On the energy balance relation for incompressible fluids.
    Roman Shvydkoy*, University of Illinois at Chicago
    (1030-76-214)
• Saturday October 6, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Smooth Dynamical Systems, IV
  Room 8012, DePaul Center
  Organizers:
  Marian Gidea, Northeastern Illinois University mgidea@neiu.edu
  Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu
  

  • 2:30 p.m.
    Mixing for hyperbolic flows.
    Michael Field*, University of Houston
    (1030-37-66)
  • 3:00 p.m.
    Quasi-Anosov diffeomorphisms of 3-manifolds.
    Todd Fisher*, Brigham Young University
    Jana Rodriguez Hertz, Facultad de Ingenieria - Universidad de la Republica
    (1030-37-118)
  • 3:30 p.m.
    On nearest neighbors under isometries and nearest neighbor metrics.
    Ben Schmidt*, U. of Chicago
    (1030-51-274)
  • 4:00 p.m.
    Extreme value distributions for non-uniformly hyperbolic dynamical systems.
    Mark Holland, University of Exeter, UK
    Matthew Nicol, University of Houston
    Andrew T\"or\"ok*, University of Houston
    (1030-37-399)
  • 4:30 p.m.
    Whitney regularity for solutions to the coboundary equation on Cantor sets.
    Mark Holland, University of Exeter
    Matthew Nicol*, University of Houston
    Andrew Torok, University of Houston
    (1030-37-147)
  • 5:00 p.m.
    Smooth actions of mapping class groups on the circle.
    Kamlesh Parwani*, Eastern Illinois University
    (1030-37-173)
  • 5:30 p.m.
    Density of accessibility for partially hyperbolic diffeomorphisms with one dimensional center.
    Keith Burns*, Northwestern University
    Federico Rodriguez Hertz, Universidad de la Rep\'ublica, Uruguay
    Jana Rodriguez Hertz, Universidad de la Rep\'ublica, Uruguay
    Raul Ures, Universidad de la Rep\'ublica, Uruguay
    Anna Talitskaya, Northwestern University
    (1030-37-306)
• Saturday October 6, 2007, 2:30 p.m.-5:50 p.m.
  Special Session on Ergodic Theory and Symbolic Dynamical Systems, IV
  Room 8014, DePaul Center
  Organizers:
  Ayse A. Sahin, DePaul University asahin@condor.depaul.edu
  Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu
  

  • 2:30 p.m.
    Dynamics of the Nash map in the game of Matching Pennies.
    Robert Becker, Indiana University
    Subir Chakrabarti, Indiana U-Purdue U Indianapolis
    William Geller*, Indiana U Purdue U Indianapolis
    Bruce Kitchens, Indiana U Purdue U Indianapolis
    Michal Misiurewicz, Indiana U Purdue U Indianapolis
    (1030-37-406)
  • 3:00 p.m.
    The modulated ergodic Hilbert transform.
    Dogan Comez*, North Dakota State University
    (1030-37-122)
  • 3:30 p.m.
    An Ambrose-Kakutani theorem for Borel semiflows.
    David M McClendon*, Northwestern University
    (1030-37-131)
  • 4:00 p.m.
    Flow-orbit equivalence for minimal Cantor systems.
    Nicholas S. Ormes*, University of Denver
    Daniel J Rudolph, Colorado State University
    Wojciech Kosek, Colorado College
    (1030-37-330)
  • 4:30 p.m.
    Any two irreducible Markov chains are finitarily orbit equivalent.
    Mrinal K Roychowdhury*, University of North Texas
    (1030-37-263)
  • 5:00 p.m.
    Almost continuous orbit equivalence.
    Andres del Junco*, University of Toronto
    (1030-28-152)
  • 5:30 p.m.
    Almost Continuous Kakutani Equivalence.
    Daniel J. Rudolph*, Colorado State University
    (1030-37-382)
• Saturday October 6, 2007, 2:30 p.m.-5:15 p.m.
  Special Session on Automorphic Forms: Representation Theory of p-adic and Adelic Groups, IV
  Room 1207, Lewis Center
  Organizers:
  Mahdi Asgari, Oklahoma State University asgari@math.okstate.edu
  Anantharam Raghuram, Oklahoma State University araghur@math.okstate.edu
  

  • 2:30 p.m.
    On nilpotent orbits of $\mathrm{SL}_n$ and $\mathrm{Sp}_{2n}$ over a $p$-adic field.
    Monica Nevins*, University of Ottawa, Canada
    (1030-20-211)
  • 3:00 p.m.
    Motivic parameterization of good orbital integrals.
    Clifton Cunningham*, University of Calgary
    (1030-22-207)
  • 3:30 p.m.
    Characters are motivic near the identity.
    Clifton Cunningham, University of Calgary
    Julia Gordon*, University of British Columbia
    Loren Spice, University of Michigan
    (1030-22-208)
  • 4:00 p.m.
    Characters of tame $p$-adic groups.
    Loren Spice*, University of Michigan
    (1030-22-221)
  • 4:30 p.m.
    Supercuspidal Representations of P-Adic Groups.
    Paul J Sally*, University of Chicago
    (1030-22-193)
• Saturday October 6, 2007, 2:30 p.m.-5:20 p.m.
  Special Session on Wave Propagation from Mathematical and Numerical Viewpoints, IV
  Room 8009, DePaul Center
  Organizers:
  Gabriel Koch, University of Chicago koch@math.uchicago.edu
  Catalin Constantin Turc, Caltech and University of North Carolina at Charlotte turc@acm.caltech.edu
  Nicolae Tarfulea, Purdue University Calumet tarfulea@calumet.purdue.edu
  

  • 2:30 p.m.
    Systems of nonlinear wave equations with nonlinear degenerate damping and source terms.
    Mohammad A. Rammaha*, Department of Mathematics, University of Nebraska-Lincoln.
    Sawanya Sakuntasathien, Department of Mathematics, University of Nebraska-Lincoln.
    (1030-35-60)
  • 3:00 p.m.
    Diffraction of waves on manifolds with corners.
    Richard Melrose, MIT
    Andras Vasy, Stanford University
    Jared Wunsch*, Northwestern University
    (1030-35-225)
  • 3:30 p.m.
    Adaptive discontinuous Galerkin methods for numerical relativity.
    James Rossmanith*, University of Wisconsin - Madison
    Qiang Deng, University of Wisconsin - Madison
    (1030-65-425)
  • 4:00 p.m.
    Acoustic and electromagnetic integral equations requiring small numbers of Krylov-subspace iterations.
    Catalin Turc*, Department of Mathematics UNC Charlotte
    Oscar Bruno, Caltech
    Tim Elling, Caltech
    Randy Paffenroth, Caltech
    (1030-65-423)
  • 4:30 p.m.
    Discussion
  • 5:00 p.m.
    Discussion

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