AMS Sectional Meeting Full Program

Current as of Sunday, March 27, 2011 00:23:13

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Program  ·  Deadlines  ·  Abstract submission ·  Registration/Housing/Etc.
Inquiries: meet@ams.org

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2011 Spring Central Section Meeting
Iowa City, IA, March 18-20, 2011 (Friday - Sunday)
Meeting #1069

Associate secretaries:

Georgia Benkart, AMS benkart@math.wisc.edu

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Friday March 18, 2011

• Friday March 18, 2011, 12:30 p.m.-4:30 p.m.
  Book Sale and Exhibit
  Room 243, Iowa Memorial Union Ballroom
• Friday March 18, 2011, 12:30 p.m.-4:30 p.m.
  Meeting Registration
  Foyer to Ballroom, Iowa Memorial Union Ballroom
• Friday March 18, 2011, 1:30 p.m.-2:20 p.m.
  Invited Address
  Gaps in dimer systems and beyond
  Room 243, Iowa Memorial Union Ballroom
  Mihai Ciucu*, Indiana University
  (1069-05-01)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Algebraic Combinatorics I
  Rm 345 Northwestern, Iowa Memorial Union Bldg
  Organizers:
  Mihai Ciucu, Indiana University mciucu@indiana.edu
  

  • 2:30 p.m.
    A finiteness theorem for $W$-graphs.
    John R Stembridge*, University of Michigan
    (1069-05-73)
  • 3:30 p.m.
    Cyclic sieving for generalised non-crossing partitions associated to complex reflection groups.
    Christian Krattenthaler*, Universität Wien
    Thomas W. Muller, Queen Mary, University of London
    (1069-05-79)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Algebraic K-Theory and Homotopy Theory I
  Rm 110, MacLean Classroom Bldg
  Organizers:
  Teena Gerhardt, Michigan State University teena@math.msu.edu
  Daniel Ramras, New Mexico State University
  

  • 2:30 p.m.
    Topological modular forms with level 3 structure.
    Tyler D. Lawson*, Department of Mathematics, University of Minnesota
    (1069-55-224)
  • 3:30 p.m.
    The Algebraic K-theory of Formal Power Series.
    Ayelet Lindenstrauss*, Indiana University
    Randy McCarthy, University of Illinois at Urbana-Champaign
    (1069-19-34)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Analytic and Algebraic Number Theory I
  Rm 337 Penn State, Iowa Memorial Union Bldg
  Organizers:
  Ling Long, Iowa State University linglong@iastate.edu
  Yangbo Ye, University of Iowa yey@iowa.uiowa.edu
  

  • 2:30 p.m.
    Special Values of L-functions attached to Hilbert Modular Forms.
    A. Raghuram, Oklahoma State University
    Naomi Tanabe*, Oklahoma State University
    (1069-11-126)
  • 3:00 p.m.
    Trilinear forms, the triple product $L$-function and subconvexity.
    Michael C Woodbury*, University of Wisconsin - Madison
    (1069-11-243)
  • 3:30 p.m.
    Zero Statistics of Automorphic L-functions and Cyclic Base Change.
    Tim Lee Gillespie*, University of Iowa, Iowa City
    (1069-11-132)
  • 4:00 p.m.
    Integrals of automorphic Green functions.
    luanlei Zhao*, math department, University of Wisconsin at Madison
    (1069-11-284)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Commutative Ring Theory I
  Rm 105, MacLean Classroom Bldg
  Organizers:
  Daniel D. Anderson, University of Iowa dan-anderson@uiowa.edu
  David F. Anderson, University of Tennessee Knoxville anderson@math.utk.edu
  

  • 2:30 p.m.
    On the total graph of a commutative ring without the zero element.
    David F Anderson, The Univ of Tennesee, Dept of Math, Knoxville, USA
    Ayman R Badawi*, American University of Sharjah, Dept of Mathe., Sharjah, UAE
    (1069-13-57)
  • 3:00 p.m.
    A universal survival ring of continuous functions which is not a universal lying-over ring, I.
    David E. Dobbs*, University of Tennessee, Knoxville
    Ronald Levy, George Mason University
    Jay Shapiro, George Mason University
    (1069-13-92)
  • 3:30 p.m.
    A universal survival ring of continuous functions which is not a universal lying-over ring.
    David E. Dobbs, University of Tennessee
    Ronald Levy, George Mason University
    Jay Shapiro*, George Mason University
    (1069-13-100)
  • 4:00 p.m.
    Nakayama's Lemma for Ext and ascent for module structures.
    Ben J. Anderson*, North Dakota State University
    Jim Coykendall, North Dakota State University
    Sean Sather-Wagstaff, North Dakota State University
    (1069-13-251)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Geometric Commutative Algebra and Applications I
  Rm 346 Indiana, Iowa Memorial Union Bldg
  Organizers:
  David Anderson, University of Washington dandersn@math.washington.edu
  Julianna Tymoczko, University of Iowa tymoczko@math.uiowa.edu
  

  • 2:30 p.m.
    Patch ideals and Peterson varieties.
    Erik Insko, University of Iowa
    Alexander Yong*, University of Illinois at Urbana-Champaign
    (1069-14-106)
  • 3:30 p.m.
    Paving Peterson varieties by affines in all Lie types.
    Erik A Insko*, University of Iowa
    Julianna Tymoczko, University of Iowa
    (1069-14-230)
  • 4:00 p.m.
    Commutative algebra meets an object from geometric representation theory.
    Aba Mbirika*, Bowdoin College
    (1069-05-193)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Graph Theory I
  Rm 348 Illinois, Iowa Memorial Union Bldg
  Organizers:
  Maria Axenovich, Iowa State University axenovic@iastate.edu
  Lale Ozkahya, Iowa State University
  Michael Young, Iowa State University
  

  • 2:30 p.m.
    Strong Hanani-Tutte for x-monotone graphs.
    Radoslav Fulek, École Polytechnique Fédérale de Lausanne (EPFL)
    Michael J Pelsmajer*, Illinois Institute of Technology
    Marcus Schaefer, DePaul University
    Daniel Stefankovic, University of Rochester
    (1069-05-54)
  • 3:00 p.m.
    On the Ramsey-Turán Numbers of Graphs and Hypergraphs.
    John Lenz*, University of Illinois at Urbana Champaign
    Jozsef Balogh, University of Illinois at Urbana Champaign
    (1069-05-91)
  • 3:30 p.m.
    List-coloring planar graphs from lists of different sizes.
    Michelle A. Lastrina*, Iowa State University
    (1069-05-121)
  • 4:00 p.m.
    Unimodality of the independent set sequence of a graph.
    David Galvin*, University of Notre Dame
    (1069-05-68)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Modelling, Analysis and Simulation in Contact Mechanics I
  Rm 210, MacLean Classroom Bldg
  Organizers:
  Weimin Han, University of Iowa whan@math.uiowa.edu
  Mircea Sofonea, University of Perpignan sofonea@univ-perp.fr
  

  • 2:30 p.m.
    Recent Results on Dynamic Contact of a Gao Beam.
    Meir Shillor*, Oakland University, Michigan
    (1069-74-140)
  • 3:00 p.m.
    A contact problem for a Gao beam with a crack.
    Kenneth L. Kuttler*, Brigham Young University
    Purcell, Oakland University
    Shillor, Oakland University
    (1069-74-84)
  • 3:30 p.m.
    Vibrations of a Gao beam with two stops.
    Jeongho Ahn*, Arkansas State University
    (1069-65-220)
  • 4:00 p.m.
    Dynamic contact problems for von Kármán and Reissner-Mindlin plates.
    Igor Bock*, Department of Mathematics FEI, Slovak University of Technology Bratislava, Slovak Republic
    Jiri Jarusek, Mathematical Institute, Academy of Sciences of the Czech Republic
    (1069-35-178)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Numerical Analysis and Scientific Computing I
  Rm 213, MacLean Classroom Bldg
  Organizers:
  Kendall E. Atkinson, University of Iowa
  Bruce P. Ayati, University of Iowa
  Weimin Han, University of Iowa
  Laurent O. Jay, University of Iowa ljay@math.uiowa.edu
  Suely Oliveira, University of Iowa
  David Stewart, University of Iowa
  

  • 2:30 p.m.
    Integrating Oscillatory Functions in MATLAB.
    Lawrence F Shampine*, Math. Dept., Southern Methodist University, Dallas, TX 75275
    (1069-65-07)
  • 3:00 p.m.
    Numerical solutions and simulations for the analysis of mathematical models of cancer growth.
    Barbara Zubik-Kowal*, Department of Mathematics, Boise State University
    (1069-65-39)
  • 3:30 p.m.
    Multi-Dimensional Stability of Traveling Waves for Spatially Discrete Bistable Reaction-Diffusion Equations.
    Erik S Van Vleck*, University of Kansas
    (1069-65-38)
  • 4:00 p.m.
    A Divergence-Free Finite Element Method for a Fluid-Structure PDE Interaction.
    George Avalos*, University of Nebraska-Lincoln
    (1069-35-226)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Recent Developments in Nonlinear Evolution Equations I
  Rm 218, MacLean Classroom Bldg
  Organizers:
  Yinbin Deng, Central China Normal University ybdeng@mail.ccnu.edu.cn
  Yong Yu, University of Iowa yong-yu@uiowa.edu
  Yi Li, University of Iowa yi-li@uiowa.edu
  Shuangjie Peng, Central China Normal University sjpeng@mail.ccnu.edu.cn
  

  • 2:30 p.m.
    Ansatz solutions to a problem of mean curvature and Newtonian potential.
    Xiaofeng Ren*, George Washington University
    (1069-35-319)
  • 3:00 p.m.
    Gamma Convergence of MCSH theory.
    Yong YU*, University of Iowa
    (1069-35-359)
  • 3:30 p.m.
    Multiplicity of solutions for the plasma problem in two dimensions.
    Daomin Cao, Institute of Applied Mathematics, Chinese Academy of Sciences, Beijing 100190, P.R. China
    Shuangjie Peng*, School of Mathematics and Statistics, Central China Normal University, P.R.China
    Shusen Yan, School of Mathematics,Statistics and Computer Sciences,The University of New England
    (1069-35-96)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Representations of Algebras I
  Rm 343 Ohio State, Iowa Memorial Union Bldg
  Organizers:
  Frauke Bleher, University of Iowa fbleher@divms.uiowa.edu
  Calin Chindris, University of Missouri chindrisc@missouri.edu
  

  • 2:30 p.m.
    Endotrivial modules for finite group schemes.
    Jon F. Carlson*, University of Georgia
    Dan Nakano, University of Georgia
    (1069-20-144)
  • 3:00 p.m.
    Suspended simples and projective resolutions.
    Alex Martsinkovsky*, Northeastern University, Boston, MA
    (1069-16-102)
  • 3:30 p.m.
    The derived category of an algebra with radical squared zero.
    Shiping Liu*, The University of Sherbrooke
    (1069-16-51)
  • 4:00 p.m.
    Complexity as a homological invariant.
    Tom Howard*, UC Santa Barbara
    (1069-18-252)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Stochastic Processes with Applications to Mathematical Finance I
  Rm 205, MacLean Classroom Bldg
  Organizers:
  Igor Cialenco, Illinois Institute of Technology cialenco@iit.edu
  José E. Figueroa-López, Purdue University
  

  • 2:30 p.m.
    Modeling weak anticipations in a financial market.
    Fabrice Baudoin*, Purdue University
    (1069-60-113)
  • 3:30 p.m.
    Harmonic Functions on Walsh's Brownian Motion.
    Kristin E Jehring*, Saint Mary's College
    (1069-60-122)
  • 4:00 p.m.
    New Dynamic Performance Measures.
    Zhao Zhang*, Illinois Institute of Technology
    Tomasz Bielecki, Illinois Institute of Technology
    Igor Cialenco, Illinois Institute of Technology
    (1069-60-254)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Topological Problems in Molecular Biology I
  Rm 335 Iowa, Iowa Memorial Union Bldg
  Organizers:
  Isabel K. Darcy, University of Iowa idarcy@math.uiowa.edu
  Stephen D. Levene, University of Texas at Dallas
  Jonathan Simon, University of Iowa
  

  • 2:30 p.m.
    The Classification of Rational Subtangle Replacements, with Applications to Complex Nucleoprotein Assemblies.
    Dorothy Buck*, Imperial College London
    Kenneth L. Baker, University of Miami
    (1069-57-274)
  • 3:00 p.m.
    Rational Subtangle Replacements between Rational Tangles.
    Kenneth L. Baker*, University of Miami
    Dorothy Buck, Imperial College London
    (1069-57-275)
  • 3:30 p.m.
    The nullification number for knots and links.
    Anthony G Montemayor*, Dept. of Math. and Comp. Sci., WKU
    Claus Ernst, Dept. of Math. and Comp. Sci., WKU
    (1069-92-324)
  • 4:00 p.m.
    DNA unlinking by Xer recombination.
    Mariel Vazquez*, Math Department, San Francisco State University
    (1069-92-356)
• Friday March 18, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Universal Algebra and Order I
  Rm 113, MacLean Classroom Bldg
  Organizers:
  John Snow, Concordia University John.Snow@cune.edu
  Jeremy Alm, Illinois College
  Clifford Bergman, Iowa State University
  Kristi Meyer, Wisconsin Lutheran College
  

  • 2:30 p.m.
    Do all the Ramsey algebras exist?
    Roger D. Maddux*, Iowa State University
    (1069-06-29)
  • 3:00 p.m.
    Abelian Quasi Ordered Groups.
    Elijah James Stines*, Iowa state University
    (1069-06-44)
  • 3:30 p.m.
    Many-sorted and single-sorted algebras.
    Anna Mucha, Faculty of Mathematics and Information Sciences, Warsaw University of Technology
    Anna Romanowska, Faculty of Mathematics and Information Sciences, Warsaw University of Technology
    Jonathan D.H. Smith*, Department of Mathematics, Iowa State University
    (1069-08-30)
  • 4:00 p.m.
    Lyndon's Algebra: a study of equational complexity and the finite algebra membership problem.
    Marcel G. Jackson, LaTrobe University
    George F Mcnulty*, University of South Carolina
    (1069-08-288)
• Friday March 18, 2011, 3:00 p.m.-4:20 p.m.
  Special Session on Thin Position I
  Rm 114, MacLean Classroom Bldg
  Organizers:
  Jesse Johnson, Oklahoma State University
  Maggie Tomova, University of Iowa mtomova@math.uiowa.edu
  

  • 3:00 p.m.
    Thin position for graphs in 3-manifolds.
    Scott A Taylor*, Colby College
    Maggy Tomova, University of Iowa
    (1069-57-48)
  • 3:30 p.m.
    Tunnel One, Fibered Links.
    Matt Rathbun*, Michigan State University
    (1069-57-336)
  • 4:00 p.m.
    Classifying primitive/Seifert knots.
    John Berge, Independent
    Brandy Guntel*, The University of Texas at Austin
    Sungmo Kang, UQAM
    (1069-57-228)
• Friday March 18, 2011, 4:30 p.m.-5:20 p.m.
  Invited Address
  Open and Closed Gromov-Witten Invariants of Toric Calabi-Yau 3-Folds
  Room 243, Iowa Memorial Union Ballroom
  Chiu-Chu Liu*, Columbia University
  (1069-14-04)
• Friday March 18, 2011, 6:00 p.m.-8:00 p.m.
  Graduate Student Poster Session
  Lucas / Dodge Room, Iowa Memorial Union Bldg
  

  • 6:00 p.m.
    

Saturday March 19, 2011

• Saturday March 19, 2011, 7:30 a.m.-4:00 p.m.
  Book Sale and Exhibit
  Room 243, Iowa Memorial Union Ballroom
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Algebraic Combinatorics II
  Rm 345 Northwestern, Iowa Memorial Union Bldg
  Organizers:
  Mihai Ciucu, Indiana University mciucu@indiana.edu
  

  • 8:00 a.m.
    The Rahman polynomials and the Lie algebra $\mathfrak{sl}_3(\mathbb C)$.
    Paul M Terwilliger*, Math Department U. Wisconsin
    (1069-33-136)
  • 9:00 a.m.
    Poset models for irreducible Weyl characters.
    Robert G. Donnelly*, Murray State University
    (1069-05-216)
  • 9:30 a.m.
    Centralizer Algebras and Pattern-Avoiding Permutations.
    Georgia Benkart*, University of Wisconsin-Madison
    Dongho Moon, Sejong University
    (1069-05-282)
  • 10:30 a.m.
    Bounds on the number of integer points in a polytope via concentration estimates.
    Austin W. Shapiro*, University of Michigan, Ann Arbor
    (1069-52-204)
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Algebraic K-Theory and Homotopy Theory II
  Rm 110, MacLean Classroom Bldg
  Organizers:
  Teena Gerhardt, Michigan State University teena@math.msu.edu
  Daniel Ramras, New Mexico State University
  

  • 8:00 a.m.
    The Multiplication on $BP$.
    Michael A Mandell*, Indiana University
    (1069-55-203)
  • 9:00 a.m.
    Spectra associated to symmetric monoidal bicategories.
    Angelica M Osorno*, University of Chicago
    (1069-55-107)
  • 10:00 a.m.
    Cyclotomic spectra and K-theory of truncated polynomial algebras.
    Vigleik Angeltveit*, MSRI/University of Chicago
    Teena Gerhardt, Michigan State University
    Michael Hill, University of Virginia
    Ayelet Lindenstrauss, Indiana University
    (1069-19-272)
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Commutative Ring Theory II
  Rm 105, MacLean Classroom Bldg
  Organizers:
  Daniel D. Anderson, University of Iowa dan-anderson@uiowa.edu
  David F. Anderson, University of Tennessee Knoxville anderson@math.utk.edu
  

  • 8:00 a.m.
    Intersections of valuation rings over projective surfaces.
    Bruce Olberding*, New Mexico State University
    (1069-13-221)
  • 8:30 a.m.
    Properties of Ext for non-noetherian modules.
    Bethany Kubik*, North Dakota State University
    Micah J Leamer, University of Nebraska-Lincoln
    Sean Sather-Wagstaff, North Dakota State University
    (1069-18-225)
  • 9:00 a.m.
    Root extensions of subrings of quadratic number rings.
    Peter Malcolmson*, Department of Mathematics, Wayne State University, Detroit, MI 48202
    Frank Okoh, Department of Mathematics, Wayne State University, Detroit, MI 48202
    (1069-13-111)
  • 9:30 a.m.
    Transfer of Arithmetical-like Properties to Trivial Extensions.
    Abdeslam Mimouni*, Department of Math.& Stat. KFUPM, Dhahran, 31261, Saudi Arabia
    Mohammed Kabbour, Department of Mathematics, Faculty of Science and Technology of Fez, Box 2202, University S.M. Ben Abdellah Fez, Morocco
    Najib Mahdou, Department of Mathematics, Faculty of Science and Technology of Fez, Box 2202, University S.M. Ben Abdellah Fez, Morocco
    (1069-13-15)
  • 10:00 a.m.
    On the annihilator ideal-based zero divisor graph of a ring and the torsion graph of a module.
    Sara Shirinkam*, K.N.Toosi University of Technology
    Shaban Ghalandarzadeh, K.N.Toosi University of Technology
    Parastoo Malakooti Rad, K.N.Toosi University of Technology
    (1069-13-173)
  • 10:30 a.m.
    Weak Cohen-Kaplansky rings.
    D. D. Anderson, The University of Iowa
    Sangmin Chun*, Seoul National University
    (1069-13-27)
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Graph Theory II
  Rm 348 Illinois, Iowa Memorial Union Bldg
  Organizers:
  Maria Axenovich, Iowa State University axenovic@iastate.edu
  Lale Ozkahya, Iowa State University
  Michael Young, Iowa State University
  

  • 8:00 a.m.
    On a class of color-critical graphs and hypergraphs.
    Alexandr Kostochka*, University of Illinois at Urbana-Champaign
    (1069-05-55)
  • 8:30 a.m.
    Isomorph-free generation of 2-connected graphs with applications.
    Derrick Stolee*, University of Nebraska-Lincoln
    (1069-05-46)
  • 9:00 a.m.
    Ramsey Functions for Quasi-Progressions with Large Diameter.
    Adam Jobson, University of Louisville
    Andre Kezdy*, University of Louisville
    Hunter Snevily, University of Idaho at Moscow, ID
    Susan C. White, University of Louisville
    (1069-05-119)
  • 9:30 a.m.
    Longest cycles in graphs with given independence number and connectivity.
    Suil O, University of Illinois at Urbana-Champaign
    Douglas B. West, University of Illinois at Urbana-Champaign
    Hehui Wu*, University of Illinois at Urbana-Champaign
    (1069-05-97)
  • 10:00 a.m.
    Counting homomorphisms.
    Jonathan Cutler, Montclair State University
    Andrew J Radcliffe*, University of Nebraska-Lincoln
    (1069-05-109)
  • 10:30 a.m.
    Cycle-saturated graphs with minimum number of edges.
    Younjin Kim*, University of Illinois at Urbana-Champaign
    Zoltan Furedi, University of Illinois at Urbana-Champaign
    (1069-05-145)
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on History of Mathematics I
  Rm 349 Michigan State, Iowa Memorial Union Bldg
  Organizers:
  Colin McKinney, Bradley University cmckinney@bumail.bradley.edu
  

  • 8:00 a.m.
    Archimedes and the Volume of a Sphere.
    Michael O'Leary*, College of DuPage, Glen Ellyn, Illinois
    (1069-01-49)
  • 9:00 a.m.
    What numbers would Cardano use?
    Daniel J. Curtin*, Northern Kentucky University
    (1069-01-149)
  • 10:00 a.m.
    Gauss and the Composition of Quadratic Forms.
    Lawrence A. D'Antonio*, Ramapo College of New Jersey
    (1069-01-213)
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Modelling, Analysis and Simulation in Contact Mechanics II
  Rm 210, MacLean Classroom Bldg
  Organizers:
  Weimin Han, University of Iowa whan@math.uiowa.edu
  Mircea Sofonea, University of Perpignan sofonea@univ-perp.fr
  

  • 8:00 a.m.
    History-dependent Quasivariational Inequalities Arising in Contact Mechanics.
    Mircea Sofonea*, University of Perpignan, France
    (1069-74-50)
  • 8:30 a.m.
    Numerical Analysis of History-dependent Quasivariational Inequalities with Applications in Contact Mechanics.
    Kamran Kazmi*, University of Wisconsin Oshkosh
    Mikael Barboteu, University of Perpignan
    Weimin Han, University of Iowa
    Mircea Sofonea, University of Perpignan
    (1069-65-153)
  • 9:00 a.m.
    Numerical Solution of a Quasistatic Frictional Contact Problem.
    Mikaël Barboteu*, University of Perpignan, France.
    (1069-74-53)
  • 9:30 a.m.
    History-dependent Subdifferential Inclusions and Hemivariational Inequalities in Contact Mechanics.
    Stanislaw Migorski*, Jagiellonian University, Faculty of Mathematics and Computer Science, Krakow, Poland
    (1069-35-184)
  • 10:00 a.m.
    Dynamic antiplane frictional contact problems - modeling and analysis.
    Anna Ochal*, Jagiellonian University
    (1069-35-82)
  • 10:30 a.m.
    Analysis of a class of quasistatic Coulomb friction problems.
    Marius Cocou*, Laboratoire de Mécanique et d'Acoustique C.N.R.S. and Aix-Marseille Université
    (1069-74-201)
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Nonlinear Partial Differential Equations I
  Rm 221, MacLean Classroom Bldg
  Organizers:
  Hongjie Dong, Brown University
  Dong Li, University of Iowa
  Lihe Wang, University of Iowa lwang@math.uiowa.edu
  Xiaoyi Zhang, University of Iowa
  

  • 8:00 a.m.
    Super-Liouville Equations on Closed Riemann Surfaces.
    Chunqin Zhou*, Shanghai Jiao Tong University
    (1069-35-198)
  • 8:30 a.m.
    $L^p$ estimates for higher order elliptic equations on Reifenberg flat domains.
    Sun-Sig Byun*, Seoul National University
    Lihe Wang, University of Iowa
    (1069-35-197)
  • 9:00 a.m.
    Divergence Form Parabolic Equations On Noncylindrical Quasiconvex Domains.
    Huilian Jia*, College of Science, Xi'An Jiaotong University, Xi'An, 710049, China
    Lihe Wang, Department of Mathematics, University of Iowa, Iowa City, IA 52242, USA
    (1069-35-304)
  • 9:30 a.m.
    Second-order parabolic nondivergence equations with small BMO coefficients in $R^n$.
    Lihe Wang, University of Iowa, USA
    Fengping Yao*, Department of Mathematics, Shanghai University, China
    Shulin Zhou, School of Mathematics, Peking University, China
    (1069-35-312)
  • 10:00 a.m.
    The Holder continuity of solutions to the generalized p-Laplacian type of parabolic equation.
    Sukjung Hwang*, Iowa State University
    (1069-35-26)
  • 10:30 a.m.
    On a quasilinear system arising in the theory of superconductivity.
    Gary M. Lieberman*, Iowa State University
    Xing-Bin Pan, East China Normal lUniversity
    (1069-35-67)
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Numerical Analysis and Scientific Computing II-A
  Rm 213, MacLean Classroom Bldg
  Organizers:
  Kendall E. Atkinson, University of Iowa
  Bruce P. Ayati, University of Iowa
  Weimin Han, University of Iowa
  Laurent O. Jay, University of Iowa ljay@math.uiowa.edu
  Suely Oliveira, University of Iowa
  David Stewart, University of Iowa
  

  • 8:00 a.m.
    Numerical approximation of generalized Newtonian fluids using composite macroelements.
    Roy H. Stogner, University of Texas at Austin
    Graham F Carey, University of Texas at Austin
    S. Sum Chow*, Brigham Young University
    (1069-65-335)
  • 9:00 a.m.
    Recent Progress of IIM and applications to CFD problems with free boundaries/moving interfaces.
    Zhilin Li*, North Carolina State University
    (1069-65-61)
  • 9:30 a.m.
    Dynamic Transition Theory and its Application to Gas-Liquid Phase Transitions.
    Tian Ma, Sichuan University
    Shouhong Wang*, Indiana University
    (1069-82-355)
  • 10:00 a.m.
    Recent advances in finite element study of Maxwell's equations in metamaterials.
    Jichun Li*, University of Nevada Las Vega
    (1069-65-17)
  • 10:30 a.m.
    Embedding methods for semidefinite programming.
    Qinghong Zhang*, Dept. of Math. and Computer Science, Northern Michigan University
    (1069-90-10)
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Numerical Analysis and Scientific Computing II-B
  Rm 214, MacLean Classroom Bldg
  Organizers:
  Kendall E. Atkinson, University of Iowa
  Bruce P. Ayati, University of Iowa
  Weimin Han, University of Iowa
  Laurent O. Jay, University of Iowa ljay@math.uiowa.edu
  Suely Oliveira, University of Iowa
  David Stewart, University of Iowa
  

  • 8:00 a.m.
    Stiffness analysis of cardiac cell models.
    Raymond J. Spiteri*, University of Saskatchewan
    Megan E. Lewis, University of Saskatchewan
    (1069-65-42)
  • 8:30 a.m.
    A definition of stiffness for initial value problems for ODEs.
    Laurent O. Jay*, The University of Iowa
    Manuel Calvo, Universidad de Zaragoza, Spain
    (1069-65-72)
  • 9:00 a.m.
    A Class of Numerical Methods for Solving Mechanical Systems with Mixed Holonomic and Nonholonomic Constraints.
    Scott J. Small*, University of Iowa
    (1069-65-342)
  • 9:30 a.m.
    Neutral Equations of Mixed Type.
    Charles Lamb*, University of Kansas
    Erik Van Vleck, University of Kansas
    (1069-34-40)
  • 10:00 a.m.
    Perturbation theory for the approximation of stability spectra by QR methods for sequences of linear operators on a Hilbert Space.
    Mohamed Badawy*, University of Kansas
    Erik Van Vleck, University of Kansas
    (1069-65-32)
  • 10:30 a.m.
    Numerical methods for Stochastic Differential Equations of Levy Jump-Diffusion type.
    Jing Shi*, Department of Mathematics, Wayne State University, Detroit, MI
    (1069-65-290)
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Recent Advances in Hyperbolic and Kinetic Problems I
  Rm 217, MacLean Classroom Bldg
  Organizers:
  Tong Li, University of Iowa tli@divms.uiowa.edu
  Hailing Liu, Iowa State University
  

  • 8:00 a.m.
    Semi-hyperbolic patches of solutions to two-dimensional compressible Euler systems.
    Yuxi Zheng*, Yeshiva University
    (1069-35-31)
  • 8:30 a.m.
    Central Schemes for the Modified Buckley-Leverett Equation.
    Ying Wang, Department of Mathematics, University of Minnesota
    Chiu-Yen Kao*, Department of Mathematics, The Ohio State University
    (1069-76-362)
  • 9:00 a.m.
    On a Class of Nonlocal Dispersive Equations.
    Hailiang Liu*, Iowa State University
    (1069-35-223)
  • 9:30 a.m.
    Semi-Discrete Central-Upwind Schemes for Elasticity in Heterogeneous Media.
    Alexander Kurganov*, Tulane University
    Michael Pollack, Tulane University
    (1069-76-295)
  • 10:00 a.m.
    Approximating High Frequency Waves with Gaussian Beams.
    Nicolay Tanushev*, The University of Texas at Austin
    (1069-35-234)
  • 10:30 a.m.
    A level set approach for dilute non-collisional fluid-particle flows.
    Hailiang Liu, Iowa State University
    Zhongming Wang*, University of California San Diego
    Rodney Fox, Iowa State University
    (1069-65-179)
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Representations of Algebras II
  Rm 343 Ohio State, Iowa Memorial Union Bldg
  Organizers:
  Frauke Bleher, University of Iowa fbleher@divms.uiowa.edu
  Calin Chindris, University of Missouri chindrisc@missouri.edu
  

  • 8:00 a.m.
    Generic modules for string algebras.
    Andrew Carroll, Northeastern University
    Jerzy M Weyman*, Northeastern University
    (1069-16-332)
  • 8:30 a.m.
    Counting Subrepresentations of Quiver Representations.
    Harm Derksen*, University of Michigan
    (1069-16-345)
  • 9:00 a.m.
    Small tree modules for quivers with one vertex.
    Ryan Kinser*, University of Connecticut
    (1069-16-262)
  • 9:30 a.m.
    Generic Modules over Gentle String Algebras.
    Andrew T. Carroll*, Northeastern University
    (1069-16-327)
  • 10:00 a.m.
    Symmetric quivers, invariant theory, and saturation theorems for the classical groups.
    Steven V Sam*, Massachusetts Institute of Technology
    (1069-16-18)
  • 10:30 a.m.
    Categorification of the polynomial ring Z[x].
    Radmila Sazdanovic*, University of Pennsylvania
    Mikhail Khovanov, Columbia University
    (1069-18-257)
• Saturday March 19, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Stochastic Processes with Applications to Mathematical Finance II
  Rm 205, MacLean Classroom Bldg
  Organizers:
  Igor Cialenco, Illinois Institute of Technology cialenco@iit.edu
  José E. Figueroa-López, Purdue University
  

  • 8:00 a.m.
    Application of Wavelets and Dynamical Systems Theory to Security Volatility.
    Andrew Clark*, Thomson Reuters
    (1069-37-09)
  • 8:30 a.m.
    Multi-level Monte Carlo Algorithms for High-dimensional Option Pricing.
    Ben Niu*, Department of Applied Mathematics, Illinois Institute of Technology
    Fred Hickernell, Department of Applied Mathematics, Illinois Institute of Technology
    (1069-60-75)
  • 9:00 a.m.
    Pricing and Arbitrage in Markets with Transaction Costs.
    Rodrigo Rodriguez*, Illinois Institute of Technology
    Tomasz Bielecki, Illinois Institute of Technology
    Igor Cialenco, Illinois Institute of Technology
    (1069-60-244)
  • 9:30 a.m.
    Pricing American Options without Smooth Pasting.
    Arun Chockalingam*, Purdue University
    Shaunak Dabadhghao, Purdue University
    (1069-49-281)
  • 10:00 a.m.
    Market crashes through the drawdown and its speed (Part I).
    Hongzhong Zhang, Department of Statistics, Columbia University
    Olympia Hadjiliadis*, Department of Mathematics, Brooklyn College and teh Graduate Center, C.U.N.Y.
    (1069-60-165)
  • 10:30 a.m.
    Market crashes through the drawdown and its speed (Part II).
    Hongzhong Zhang*, Statistics Department, Columbia University
    Olympia Hadjiliadis, Department of Mathematics, Brooklyn College and the Graduate Center, C.U.N.Y.
    (1069-60-166)
• Saturday March 19, 2011, 8:30 a.m.-10:50 a.m.
  Special Session on Recent Developments in Schubert Calculus I
  Rm 347 Minnesota, Iowa Memorial Union Bldg
  Organizers:
  Leonardo Mihalcea, Baylor University Leonardo_Mihalcea@baylor.edu
  

  • 8:30 a.m.
    Equivariant k-Schur functions, homology of the affine Grassmannian and Gromov-Witten invariants of G/B.
    Thomas Lam, University of Michigan
    Mark Shimozono*, Virginia Polytechnic Institute and State University
    (1069-14-236)
  • 9:00 a.m.
    Local complete intersection Schubert varieties.
    Alexander K. Woo*, Saint Olaf College
    (1069-14-339)
  • 9:30 a.m.
    Cohomology classes of torus orbit closures in Grassmannians.
    Andrew Berget*, University of California
    Alexander Fink, North Carolina State University
    (1069-05-181)
  • 10:00 a.m.
    A Kostant-Macdonald identity for special $SL_n$ orbits in complete quadrics.
    Mahir Bilen Can*, Tulane University, New Orleans, LA
    Michael Joyce, New Orleans, LA
    (1069-14-108)
  • 10:30 a.m.
    Gröbner bases and singularities of Schubert varieties.
    Alexander Yong*, U. Illinois at Urbana-Champaign
    (1069-05-120)
• Saturday March 19, 2011, 8:30 a.m.-10:50 a.m.
  Special Session on Universal Algebra and Order II
  Rm 113, MacLean Classroom Bldg
  Organizers:
  John Snow, Concordia University John.Snow@cune.edu
  Jeremy Alm, Illinois College
  Clifford Bergman, Iowa State University
  Kristi Meyer, Wisconsin Lutheran College
  

  • 8:30 a.m.
    Subdirectly irreducible groupoids in a category investigated by Laver.
    Matthew Smedberg*, Vanderbilt University
    (1069-08-86)
  • 9:00 a.m.
    Maximal $n$-generated subdirect products.
    Joel Berman*, University of Illinois at Chicago
    (1069-08-52)
  • 9:30 a.m.
    Locally finite varieties with $\langle R, S\rangle$-irreducible sets of bounded size.
    Keith A Kearnes*, University of Colorado, Boulder
    Yingwei Li, Indiana University
    (1069-08-35)
  • 10:00 a.m.
    Quasi-equations of finite unary algebras with $0$.
    Jennifer Hyndman*, University of Northern British Columbia
    (1069-08-174)
  • 10:30 a.m.
    Ordered direct implicational basis of a finite closure system.
    Kira Adaricheva*, Yeshiva University, New York
    James B Nation, University of Hawaii at Manoa, Honolulu, HI
    (1069-06-89)
• Saturday March 19, 2011, 9:00 a.m.-10:50 a.m.
  Special Session on Analytic and Algebraic Number Theory II
  Rm 337 Penn State, Iowa Memorial Union Bldg
  Organizers:
  Ling Long, Iowa State University linglong@iastate.edu
  Yangbo Ye, University of Iowa yey@iowa.uiowa.edu
  

  • 9:00 a.m.
    p-adic properties of modular and mock modular forms.
    Scott Ahlgren*, University of Illinois
    (1069-11-137)
  • 9:30 a.m.
    Subrings of Z to n for small n.
    Ramin Takloo-Bighash*, University of Illinois at Chicago
    (1069-11-305)
  • 10:00 a.m.
    Computing log-characteristic cycles using ramification theory.
    Liang Xiao*, University of Chicago
    (1069-11-65)
  • 10:30 a.m.
    p-adic L-function of automorphic form of GL(2).
    Bei Zhang*, Northwestern University
    (1069-11-104)
• Saturday March 19, 2011, 9:00 a.m.-10:50 a.m.
  Special Session on Geometric Commutative Algebra and Applications II
  Rm 346 Indiana, Iowa Memorial Union Bldg
  Organizers:
  David Anderson, University of Washington dandersn@math.washington.edu
  Julianna Tymoczko, University of Iowa tymoczko@math.uiowa.edu
  

  • 9:00 a.m.
    Apolarity, steampunk canonical forms and the obvious inner product.
    Bruce Reznick*, University of Illinois at Urbana-Champaign
    (1069-14-253)
  • 10:00 a.m.
    Ranks of polynomials.
    J. M. Landsberg, Texas A&M University
    Zach Teitler*, Boise State University
    (1069-14-13)
  • 10:30 a.m.
    Multilinear free resolutions from higher tensors.
    Christine Berkesch, Stockholm University
    Daniel Erman, Stanford University
    Manoj Kummini*, Purdue University
    Steven Sam, MIT
    (1069-13-93)
• Saturday March 19, 2011, 9:00 a.m.-10:50 a.m.
  Special Session on Global and P-adic Representation Theory I
  Rm 341 Purdue, Iowa Memorial Union Bldg
  Organizers:
  Muthukrishnan Krishnamurthy, University of Iowa mkrishna@math.uiowa.edu
  Philip Kutzco, University of Iowa philip-kutzko@math.uiowa.edu
  Yangbo Ye, University of Iowa yey@math.uiowa.edu
  

  • 9:00 a.m.
    Base Change and Theta-correspondences for Supercuspidal Representations of SL(2).
    David C Manderscheid*, University of Nebraska-Lincoln
    (1069-22-94)
  • 10:00 a.m.
    On the local exterior square L-function for $GL(n)$.
    James W Cogdell*, Ohio State University
    (1069-11-200)
• Saturday March 19, 2011, 9:00 a.m.-10:50 a.m.
  Special Session on Spectral Theory I
  Rm 118, MacLean Classroom Bldg
  Organizers:
  David Damanik, Rice University damanik@rice.edu
  Christian Remling, University of Oklahoma
  

  • 8:30 a.m.
    On essential self-adjointness for magnetic Schroedinger and Pauli operators.
    Gheorghe Nenciu, Institute of Mathematics of the Romanian Academy, Bucharest, Romania
    Irina Nenciu*, Dept. of Mathematics, UIC
    (1069-46-361)
  • 9:00 a.m.
    Wave equation with slowly decaying potential: asymptotics and wave operators.
    Sergey Denisov*, UW-Madison
    (1069-35-134)
  • 9:30 a.m.
    A new estimate on the indirect part of the Coulomb energy.
    Rafael D. Benguria, Catholic University of Chile
    Gonzalo Bley, Catholic University of Chile
    Michael Loss*, Georgia Tech
    (1069-81-190)
  • 10:00 a.m.
    On the Simon-Spencer Theorem.
    Alexander Gordon*, UNC Charlotte
    Jason Holt, USC Lancaster
    Ari Laptev, Imperial College London
    Stanislav Molchanov, UNC Charlotte
    (1069-47-293)
  • 10:30 a.m.
    Zero-velocity Lieb-Robinson bounds in the disordered xy-spin chain.
    Gunter Stolz*, University of Alabama at Birmingham
    Robert Sims, University of Arizona
    (1069-82-133)
• Saturday March 19, 2011, 9:00 a.m.-10:50 a.m.
  Special Session on Thin Position II
  Rm 114, MacLean Classroom Bldg
  Organizers:
  Jesse Johnson, Oklahoma State University
  Maggie Tomova, University of Iowa mtomova@math.uiowa.edu
  

  • 9:00 a.m.
    Thin position of cable knots.
    Alexander Zupan*, University of Iowa
    (1069-57-285)
  • 9:30 a.m.
    The Link Volume.
    Yo'av Rieck*, University of Arkansas
    Yasushi Yamashita, Nara Women's University
    (1069-57-320)
  • 10:00 a.m.
    An upper bound on Reidemeister moves.
    Alexander Coward*, University of California at Davis
    Marc Lackenby, University of Oxford
    (1069-57-256)
  • 10:30 a.m.
    Heegaard splittings with large subsurface distances.
    Jesse Johnson, Department of Mathematics, Oklahoma State University
    Yair N Minsky, Department of Mathematics Yale University
    Yoav Moriah*, Department of Mathematics, Technion
    (1069-57-56)
• Saturday March 19, 2011, 9:00 a.m.-10:50 a.m.
  Special Session on Topological Problems in Molecular Biology II
  Rm 335 Iowa, Iowa Memorial Union Bldg
  Organizers:
  Isabel K. Darcy, University of Iowa idarcy@math.uiowa.edu
  Stephen D. Levene, University of Texas at Dallas
  Jonathan Simon, University of Iowa
  

  • 9:00 a.m.
    Tutorial on DNA Geometry and Energetics.
    Sarah Harris*, School of Physics and Astronomy, University of Leeds
    (1069-92-344)
  • 9:30 a.m.
    Computer Simulations of DNA Supercoiling at the Atomic Level.
    Sarah A Harris*, University of Leeds
    (1069-92-139)
  • 10:00 a.m.
    Partition Functions and Entropy Estimates for Multiscale Models of DNA.
    Andreas Hanke*, University of Texas at Brownsville
    Stefan M Giovan, University of Texas at Dallas
    Stephen D Levene, University of Texas at Dallas
    (1069-82-358)
  • 10:30 a.m.
    New Insights into the Mechanism of Tyrosine Recombinases from DNA Loop-closure Kinetics.
    Massa J Shoura*, University of Texas at Dallas
    Anusha Bharadwaj, University of Texas at Dallas
    Matthew R Kesinger, University of Texas at Dallas
    Farah H Bardai, University of Texas at Dallas
    Alexandre A Vetcher, University of Texas at Dallas
    Stephen D Levene, University of Texas at Dallas
    (1069-92-317)
• Saturday March 19, 2011, 11:00 a.m.-11:50 a.m.
  Invited Address
  Prime chains, arithmetic functions and branching random walks.
  Room 243, Iowa Memorial Union Ballroom
  Kevin B. Ford*, University of Illinois Urbana-Champaign
  Sergei V. Konyagin, Steklov Mathematical Institute, Moscow, Russia
  Florian Luca, Universidad Nacional Autonoma de Mexico
  (1069-11-03)
• Saturday March 19, 2011, 1:30 p.m.-2:20 p.m.
  Invited Address
  The Hofstadter butterfly, uniform hyperbolicity, and gap labeling.
  Room 243, Iowa Memorial Union Ballroom
  David Damanik*, Rice University
  (1069-37-02)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Algebraic Combinatorics III
  Rm 345 Northwestern, Iowa Memorial Union Bldg
  Organizers:
  Mihai Ciucu, Indiana University mciucu@indiana.edu
  

  • 2:30 p.m.
    Macdonald polynomials and the Hilbert series of the space of diagonal coinvariants.
    J. Haglund*, University of Pennsylvania
    (1069-05-192)
  • 3:30 p.m.
    Particle Systems arising from an Anti-ferromagnetic Ising Model.
    Sunil Chhita*, Brown University
    (1069-60-81)
  • 4:00 p.m.
    Local Statistics of Realizable Vertex Models.
    Zhongyang Li*, Brown University
    (1069-05-11)
  • 4:30 p.m.
    Two Denominator Formulas for Each Element of a Kac-Moody Weyl Group.
    Robert A. Proctor*, University of North Carolina Chapel Hill
    (1069-05-264)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Algebraic K-Theory and Homotopy Theory III
  Rm 110, MacLean Classroom Bldg
  Organizers:
  Teena Gerhardt, Michigan State University teena@math.msu.edu
  Daniel Ramras, New Mexico State University
  

  • 2:30 p.m.
    Segal operations in the algebraic $K$-theory of topological spaces.
    Thomas Gunnarsson, Luleå University of Technology, Luleå, Sweden
    Ross E Staffeldt*, Department of Mathematical Sciences, New Mexico State University, Las Cruces, NM 88003
    (1069-55-88)
  • 3:30 p.m.
    Higher algebraic $K$-theory of $\infty$-categories.
    Clark Barwick*, Massachusetts Institute of Technology
    (1069-19-199)
  • 4:30 p.m.
    Scissors Congruence as K-theory.
    Inna I Zakharevich*, Massachusetts Institute of Technology
    (1069-19-175)
• Saturday March 19, 2011, 2:30 p.m.-4:50 p.m.
  Special Session on Analytic and Algebraic Number Theory III
  Rm 337 Penn State, Iowa Memorial Union Bldg
  Organizers:
  Ling Long, Iowa State University linglong@iastate.edu
  Yangbo Ye, University of Iowa yey@iowa.uiowa.edu
  

  • 2:30 p.m.
    The distribution of extreme values of $L$-functions in the critical strip.
    Youness Lamzouri*, University of Illinois at Urbana-Champaign
    (1069-11-170)
  • 3:00 p.m.
    Modular polynomials and quasimodular forms.
    Min Ho Lee*, University of Northern Iowa
    (1069-11-80)
  • 3:30 p.m.
    A Weighted Selberg Sieve.
    Craig S Franze*, Central Michigan University
    (1069-11-360)
  • 4:00 p.m.
    Applications of sieve methods to some additive problems about squares of primes.
    Angel V Kumchev*, Towson University
    Taiyu Li, Towson University & Shandong University, China
    (1069-11-306)
  • 4:30 p.m.
    Fourier coefficients of noncongruence cuspforms.
    Wen-Ching Winnie Li, Pennsylvania State University
    Ling Long*, Iowa State University
    (1069-11-227)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Commutative Ring Theory III
  Rm 105, MacLean Classroom Bldg
  Organizers:
  Daniel D. Anderson, University of Iowa dan-anderson@uiowa.edu
  David F. Anderson, University of Tennessee Knoxville anderson@math.utk.edu
  

  • 2:30 p.m.
    Noetherian domains which admit only finitely many star operations.
    Evan Houston*, UNC Charlotte
    Abdeslam Mimouni, King Faud University of Petroleum & Minerals
    Mi Hee Park, Chung-Ang University
    (1069-13-141)
  • 3:00 p.m.
    Zero-Divisor and Prüfer Conditions in Commutative Group Rings.
    Ryan Schwarz*, University of Connecticut
    Sarah Glaz, University of Connecticut
    (1069-13-158)
  • 3:30 p.m.
    Boolean rings and reciprocal eigenvalue properties.
    John D. LaGrange*, Lindsey Wilson College
    (1069-13-160)
  • 4:00 p.m.
    Three Frameworks for a General Theory of Factorization.
    R M Ortiz-Albino*, University of Puerto Rico-Mayaguez
    D D Anderson, The University of Iowa
    (1069-13-202)
  • 4:30 p.m.
    Factorization and unit-groups.
    Shashikant B. Mulay*, Dept. of Mathematics, University of Tennessee, Knoxville
    (1069-13-169)
  • 5:00 p.m.
    Pseudo-Dedekind Factorization.
    Marco Fontana, Universita' degli Studi "Roma Tre"
    Evan Houston, University of North Carolina Charlotte
    Thomas Lucas*, University of North Carolina Charlotte
    (1069-13-125)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Global and P-adic Representation Theory II
  Rm 341 Purdue, Iowa Memorial Union Bldg
  Organizers:
  Muthukrishnan Krishnamurthy, University of Iowa mkrishna@math.uiowa.edu
  Philip Kutzco, University of Iowa philip-kutzko@math.uiowa.edu
  Yangbo Ye, University of Iowa yey@math.uiowa.edu
  

  • 2:30 p.m.
    Depth-zero supercuspidal L-packets for GSp4.
    Jaime Lust*, University of Iowa
    (1069-11-298)
  • 3:30 p.m.
    An application of Hecke algebras to principal series.
    Lawrence Morris*, Clark University
    (1069-20-267)
  • 4:30 p.m.
    On the degree 5 L-function for GSp(4).
    Daniel W File*, University of Iowa
    (1069-11-289)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Graph Theory III
  Rm 348 Illinois, Iowa Memorial Union Bldg
  Organizers:
  Maria Axenovich, Iowa State University axenovic@iastate.edu
  Lale Ozkahya, Iowa State University
  Michael Young, Iowa State University
  

  • 2:30 p.m.
    2-cancellative uniform hypergraphs.
    Zoltan Furedi*, UIUC, Urbana-Champaign, IL, USA and Renyi Institute, Budapest
    (1069-05-326)
  • 3:00 p.m.
    Equitable orientations of hypergraphs.
    Yair Caro, University of Haifa - Oranim
    Douglas B. West*, University of Illinois - Urbana
    Raphael Yuster, University of Haifa - Haifa
    (1069-05-155)
  • 3:30 p.m.
    Embedding spanning trees.
    Bela Csaba*, Dept. of Mathematics and Comp. Sci., Western Kentucky University
    Asif Jamshed, Dept. of Computer Science, Rutgers University
    Endre Szemeredi, Dept. of Computer Science, Rutgers University
    (1069-05-211)
  • 4:00 p.m.
    Clique number of graphs with high chromatic number.
    Csaba Biro*, University of Louisville
    (1069-05-299)
  • 4:30 p.m.
    A Simultaneous Random Walk Game.
    Andrew Beveridge*, Macalester College
    Jorge Banuelos, Macalester College
    (1069-05-66)
  • 5:00 p.m.
    Unavoidable subhypergraphs: {\bf a}-clusters.
    Zoltan Furedi, University of Illinois at Urbana-Champaign and Hungarian Academy of Sciences
    Lale Ozkahya*, Iowa State University
    (1069-05-239)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on History of Mathematics II
  Rm 349 Michigan State, Iowa Memorial Union Bldg
  Organizers:
  Colin McKinney, Bradley University cmckinney@bumail.bradley.edu
  

  • 2:30 p.m.
    The Role of Languages in the Formulation of the Notion of an Ideal Language.
    Thomas Drucker*, University of Wisconsin--Whitewater
    (1069-01-195)
  • 3:30 p.m.
    The Early History of Summability Theory Preliminary Report.
    Alexander F Kleiner*, Drake University
    (1069-01-138)
  • 4:30 p.m.
    Logic in Warsaw, 1915--1939.
    V. Frederick Rickey*, West Point
    (1069-01-346)
• Saturday March 19, 2011, 2:30 p.m.-4:50 p.m.
  Special Session on Modelling, Analysis and Simulation in Contact Mechanics III
  Rm 210, MacLean Classroom Bldg
  Organizers:
  Weimin Han, University of Iowa whan@math.uiowa.edu
  Mircea Sofonea, University of Perpignan sofonea@univ-perp.fr
  

  • 2:30 p.m.
    Composition Duality Methods for Quasistatic Evolution Elasto-Visco-Plastic Variational Problems.
    Gonzalo Alduncin*, Instituto de Geofísica, UNAM
    (1069-35-77)
  • 3:00 p.m.
    Comparison of MR fluids and new granular structures in special conditions.
    Robert Zalewski*, Warsaw University of Technology Institute of Machines Design Fundamentals
    Jerzy Bajkowski, Warsaw University of Technology Institute of Machines Design Fundamentals
    (1069-74-176)
  • 3:30 p.m.
    A mixed displacement-velocity based formulation of elastic contact.
    David E Stewart*, University of Iowa
    Wendt J Theodore, University of Wisconsin, LaCrosse
    (1069-74-231)
  • 4:00 p.m.
    $A_p$ Functions and Some Operators.
    Chunping Xie*, Milwaukee School of Engineering
    (1069-43-237)
  • 4:30 p.m.
    Discontinuous Galerkin Methods for Solving the Signorini Problem.
    Fei Wang, Huazhong University of Science and Technology, China
    Weimin Han*, Department of Mathematics & Program in Applied Mathematical and Computational Sciences, University of Iowa
    Xiaoliang Cheng, Zhejiang University, China
    (1069-65-59)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Nonlinear Partial Differential Equations II
  Rm 221, MacLean Classroom Bldg
  Organizers:
  Hongjie Dong, Brown University
  Dong Li, University of Iowa
  Lihe Wang, University of Iowa lwang@math.uiowa.edu
  Xiaoyi Zhang, University of Iowa
  

  • 2:30 p.m.
    About Rotating Configurations of Compressible Fluids under the Influence of their own Gravity.
    Gerhard Strohmer*, The University of Iowa
    (1069-35-330)
  • 3:00 p.m.
    Quantitative behavior of a parabolic-hyperbolic chemotaxis model.
    Dong Li, Department of Mathematics, University of Iowa
    Kun Zhao*, Mathematical Biosciences Institute, The Ohio State University
    (1069-35-209)
  • 3:30 p.m.
    Long time existence for semilinear wave equations with low regularity.
    Chengbo Wang*, Johns Hopkins University
    (1069-35-270)
  • 4:00 p.m.
    Norm inflation for incompressible magneto-hydrodynamic system in $\dot{B}_{\infty}^{-1,\infty}$.
    Mimi Dai*, Math Department, University of California, Santa Cruz
    Jie Qing, Professor at Math Department, University of California, Santa Cruz
    Maria Schonbek, Professor at Math Department, University of California, Santa Cruz
    (1069-35-05)
  • 4:30 p.m.
    General stabilization for the wave equation with boundary damping and source terms.
    Tae Gab Ha*, Iowa State University
    (1069-35-340)
  • 5:00 p.m.
    Some Qualitative Behavior of Solutions to Degenerate Parabolic-Hyperbolic Equations.
    Yachun Li*, The Department of Mathematics, Shanghai Jiao Tong University
    (1069-35-196)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Numerical Analysis and Scientific Computing III
  Rm 213, MacLean Classroom Bldg
  Organizers:
  Kendall E. Atkinson, University of Iowa
  Bruce P. Ayati, University of Iowa
  Weimin Han, University of Iowa
  Laurent O. Jay, University of Iowa ljay@math.uiowa.edu
  Suely Oliveira, University of Iowa
  David Stewart, University of Iowa
  

  • 2:30 p.m.
    Hybridizable discontinuous Galerkin methods for biharmonic problems.
    Fatih Celiker*, Wayne State University
    Bernardo Cockburn, University of Minnesota
    Ke Shi, University of Minnesota
    (1069-65-85)
  • 3:00 p.m.
    The Local Discontinuous Galerkin method for elliptic problems.
    Mahboub Baccouch*, University of Nebraska at Omaha
    (1069-65-14)
  • 3:30 p.m.
    Hierarchical Reconstruction for Central Schemes and Central DG on Overlapping Cells.
    Yingjie Liu*, School of Mathematics, Georgia Institute of Technology
    (1069-65-43)
  • 4:00 p.m.
    A Local Discontinuous Galerkin Method for directly solving Hamilton-Jacobi Equations.
    Jue Yan*, Iowa State University
    (1069-65-08)
  • 4:30 p.m.
    Some uniformly accurate discontinuous Galerkin methods for thin elastic shells.
    Sheng Zhang*, Wayne State University
    (1069-65-310)
  • 5:00 p.m.
    An Entropy Satisfying Method For The F0kker-Planck Equation of Fene Dumbell Model For Polymers.
    Hailiang Liu, Iowa State University
    Hui YU*, Iowa State University
    (1069-65-222)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Recent Developments in Nonlinear Evolution Equations II
  Rm 218, MacLean Classroom Bldg
  Organizers:
  Yinbin Deng, Central China Normal University ybdeng@mail.ccnu.edu.cn
  Yong Yu, University of Iowa yong-yu@uiowa.edu
  Yi Li, University of Iowa yi-li@uiowa.edu
  Shuangjie Peng, Central China Normal University sjpeng@mail.ccnu.edu.cn
  

  • 2:30 p.m.
    Spreading speeds of solutions of reaction-diffusion equations.
    Francois Hamel*, Aix-Marseille University and Institut Universitaire de France
    (1069-35-114)
  • 3:00 p.m.
    Multi-dimensional traveling fronts in bistable reaction-diffusion equations.
    Masaharu Taniguchi*, Department of Mathematical and Computing Sciences, Tokyo Institute of Technology
    (1069-35-215)
  • 3:30 p.m.
    Traveling Wave Solutions fo Lotka-Volterra System Re-visited.
    Anthony W Leung, Department of Math Sci, University of Cincinnati
    Xiaojie Hou*, Department of Math. Stat, UNCW
    Wei Feng, Department of Math. Stat, UNCW
    (1069-35-249)
  • 4:00 p.m.
    Steady States of the Vlasov-Poisson System.
    Jürgen Batt, Mathematisches Institut, der Universität München
    Yi Li*, University of Iowa and Xi'an Jiaotong University
    (1069-35-365)
  • 4:30 p.m.
    Quasi-linear parabolic equations with nonlocal Robin boundary conditions.
    Alejandro Velez-Santiago*, Post-doc., Department of Mathematics, Iowa State University
    (1069-35-164)
  • 5:00 p.m.
    On Hot Spots Conjecture for Nonconvex Planar Domain.
    Hongbin Chen*, Department of Mathematics, Xi'an Jiaotong University
    Yi Li, University of Iowa and Xi'an Jiaotong University
    (1069-35-364)
• Saturday March 19, 2011, 2:30 p.m.-4:50 p.m.
  Special Session on Recent Developments in Schubert Calculus II
  Rm 347 Minnesota, Iowa Memorial Union Bldg
  Organizers:
  Leonardo Mihalcea, Baylor University Leonardo_Mihalcea@baylor.edu
  

  • 2:30 p.m.
    $K$-theory of minuscule varieties.
    Anders S. Buch*, Rutgers University
    Matthew Samuel, Rutgers University
    (1069-05-350)
  • 3:00 p.m.
    Quantum type deformations of the cohomology ring of the flag manifold.
    Liviu Mare*, University of Regina, Canada
    (1069-14-294)
  • 3:30 p.m.
    K-theoretic J-functions of flag varieties of type A.
    Kaisa Taipale*, St. Olaf College
    (1069-14-283)
  • 4:00 p.m.
    Equivariant Algebraic Cobordism, Part 1.
    Jose Malagon-Lopez*, University of Ottawa, Department of Mathematics and Statistics
    (1069-14-207)
  • 4:30 p.m.
    Equivariant Algebraic Cobordism (pt. 2).
    Jeremiah Heller*, Northwestern University
    Jose Malagon-Lopez, University of Ottawa
    (1069-19-206)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Representations of Algebras III
  Rm 343 Ohio State, Iowa Memorial Union Bldg
  Organizers:
  Frauke Bleher, University of Iowa fbleher@divms.uiowa.edu
  Calin Chindris, University of Missouri chindrisc@missouri.edu
  

  • 2:30 p.m.
    Invariants of AS-Regular Algebras: Complete Intersections.
    Ellen E. Kirkman*, Wake Forest University
    James J.. Kuzmanovich, Wake Forest University
    James J Zhang, University of Washington
    (1069-16-151)
  • 3:00 p.m.
    Invariant subspaces of linear operators: Symmetry properties via poset representations.
    Markus Schmidmeier*, Florida Atlantic University
    (1069-16-341)
  • 3:30 p.m.
    Periodic algebras arising as endomorphism rings.
    Alex Dugas*, University of the Pacific
    (1069-16-142)
  • 4:00 p.m.
    Sums of Units and Idempotents.
    Victor Camillo, University of Iowa
    Alexander Diesl*, Wellesely College
    (1069-16-87)
  • 4:30 p.m.
    Hall algebras over triangulated categories.
    Xueqing Chen*, University of Wisconsin--Whitewater. 800 West Main Street, Whitewater. WI 53190. USA.
    (1069-16-76)
  • 5:00 p.m.
    A strong generating hypothesis for the stable module category.
    Jon Carlson, University of Georgia
    Sunil Kumar Chebolu*, Illinois State Univeristy
    Jan Minac, University of Western Ontario
    (1069-16-101)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Spectral Theory II
  Rm 118, MacLean Classroom Bldg
  Organizers:
  David Damanik, Rice University damanik@rice.edu
  Christian Remling, University of Oklahoma
  

  • 2:30 p.m.
    The spectrum of the skew-shift Schroedinger operator contains an interval.
    Helge Krueger*, Caltech
    (1069-47-123)
  • 3:00 p.m.
    Quantum Trasport properties of Limit-Peridic Schroedinger Operator in dimension two.
    Yulia Karpeshina*, UAB
    Young-Ran Lee, Sogang University, South Korea
    Gunter Stolz, UAB
    (1069-35-291)
  • 3:30 p.m.
    Spectral gaps for sets and measures.
    Alexei Poltoratski*, Texas A&M University
    (1069-42-131)
  • 4:00 p.m.
    On a Subspace Perturbation Problem.
    Konstantin A. Makarov*, University of MIssouri, Columbia
    Albrecht Seelmann, Institut für Mathematik, Johannes Gutenberg-Universität Mainz
    (1069-47-268)
  • 4:30 p.m.
    Spectral shift function of order $n\geq 3$.
    Anna Skripka*, University of Central Florida
    (1069-47-183)
  • 5:00 p.m.
    Khrushchev's Theory for OPUC via Right Limits.
    Maxim Zinchenko*, University of Central Florida
    (1069-39-265)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Stochastic Processes with Applications to Mathematical Finance III
  Rm 205, MacLean Classroom Bldg
  Organizers:
  Igor Cialenco, Illinois Institute of Technology cialenco@iit.edu
  José E. Figueroa-López, Purdue University
  

  • 2:30 p.m.
    Counterparty Risk and the Impact of Collateralization in CDS Contracts.
    Ismail Iyigunler*, Illinois Institute of Technology
    Tomasz Bielecki, Illinois Institute of Technology
    Igor Cialenco, Illinois Institute of Technology
    (1069-60-245)
  • 3:00 p.m.
    Asymptotics of Implied Volatility in Extreme Regimes.
    Roger Lee*, University of Chicago
    (1069-91-318)
  • 3:30 p.m.
    Contracting with Noisy Observations and Misreporting.
    Agostino Capponi*, Purdue University
    Jaksa Cvitanic, California Institute of Technology
    (1069-60-16)
  • 4:00 p.m.
    Valuation of Interest Rate Derivatives under Credit Risk and Illiquidity.
    Geoffrey R Harris*, Stuart School of Business, Illinois Institute of Technology
    Tao L Wu, Stuart School of Business, Illinois Institute of Technology
    (1069-60-143)
  • 4:30 p.m.
    Monitoring error of the supremum of a Lévy process.
    Ao Chen, University of Illinois at Urbana-Champaign
    Liming Feng*, University of Illinois at Urbana-Champaign
    Renming Song, University of Illinois at Urbana-Champaign
    (1069-60-130)
  • 5:00 p.m.
    The small-maturity smile for exponential Lévy models.
    Jose E. Figueroa-Lopez*, Purdue University
    Martin Forde, Dublin City University
    (1069-60-214)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Thin Position III
  Rm 114, MacLean Classroom Bldg
  Organizers:
  Jesse Johnson, Oklahoma State University
  Maggie Tomova, University of Iowa mtomova@math.uiowa.edu
  

  • 2:30 p.m.
    Width is Not Additive.
    Ryan C Blair*, University of Pennsylvania
    Maggy Tomova, University of Iowa
    (1069-57-261)
  • 3:00 p.m.
    Circular thin position for free genus one knots.
    Fabiola Manjarrez-Gutierrez*, Instituto de Matematicas UNAM.
    Victor Nunez, CIMAT
    Enrique Ramirez-Losada, CIMAT
    (1069-57-311)
  • 3:30 p.m.
    Additivity of circular width.
    Mario Eudave-Munoz*, Instituto de Matematicas, Universidad Nacional Autonoma de Mexico
    Fabiola Manjarrez-Gutierrez, Instituto de Matematicas, Universidad Nacional Autonoma de Mexico
    (1069-57-271)
  • 4:00 p.m.
    $\alpha$-sloped thin position for 3-manifolds.
    Marion Moore Campisi*, University of Texas at Austin
    (1069-57-315)
  • 4:30 p.m.
    Generating the genus g+1 Goeritz group of a genus g handlebody.
    Martin Scharlemann*, U. C. Santa Barbara
    (1069-57-71)
  • 5:00 p.m.
    Bridge number and non-integral Dehn surgery.
    Kenneth L. Baker, University of Miami
    Cameron McA. Gordon, University of Texas at Austin
    John Luecke*, University of Texas at Austin
    (1069-57-296)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Topological Problems in Molecular Biology III
  Rm 335 Iowa, Iowa Memorial Union Bldg
  Organizers:
  Isabel K. Darcy, University of Iowa idarcy@math.uiowa.edu
  Stephen D. Levene, University of Texas at Dallas
  Jonathan Simon, University of Iowa
  

  • 2:30 p.m.
    The DNA and protein topology of chromosome segregation.
    Chu-chun Hunag, University of Texas at Austin
    Santanu K Ghosh, Indian Institute of Technology, Mumbai, India
    Makkuni Jayaram*, University of Texas at Austin
    (1069-92-171)
  • 3:00 p.m.
    Pathways for DNA rearrangement in ciliates.
    Angela Angeleska*, University of Tampa
    Natasha Jonoska, University of South Florida
    Masahiko Saito, University of South Florida
    Laura Landweber, Princeton University
    (1069-05-279)
  • 3:30 p.m.
    DNA rearrangements through spacial graphs.
    J. Burns, University of South Florida
    E. Dolzhenko, University of South Florida
    N. Jonoska*, University of South Florida
    T. Muche, University of South Florida
    M. Saito, University of South Florida
    (1069-92-212)
  • 4:00 p.m.
    Topological Epigenetics: DNA Entanglement and Gene Expression.
    De Witt Sumners*, Florida State University
    (1069-92-191)
  • 4:30 p.m.
    Panel on open problems.
    Jonathan Simon*, Department of Mathematics, University of Iowa
    De Witt Sumners*, Department of Mathematics, Florida State University
    Stu Whittington*, Department of Chemistry, University of Toronto
    Lynn Zechiedrich*, Department of Molecular Virology & Microbiology, Baylor College of Medicine
    Joanna Ida Sulkowska*, Center for Theoretical Biological Physics UCSD
    (1069-92-168)
• Saturday March 19, 2011, 2:30 p.m.-5:20 p.m.
  Special Session on Universal Algebra and Order III
  Rm 113, MacLean Classroom Bldg
  Organizers:
  John Snow, Concordia University John.Snow@cune.edu
  Jeremy Alm, Illinois College
  Clifford Bergman, Iowa State University
  Kristi Meyer, Wisconsin Lutheran College
  

  • 2:30 p.m.
    Applications of the Constraint Satisfaction Problem to Universal Algebra.
    Libor Barto*, McMaster University
    (1069-08-157)
  • 3:00 p.m.
    A new property of finite NU(4) algebras.
    Marcin Kozik, Jagiellonian University
    Ross Willard*, University of Waterloo
    (1069-08-103)
  • 3:30 p.m.
    On the subpower membership problem for Malcev algebras.
    Peter Mayr*, Centro de Algebra de Universida de Lisboa, Portugal
    (1069-08-24)
  • 4:00 p.m.
    Some results obtained with the Universal Algebra Calculator, theorem provers and constraint satisfiers in a Sage package.
    Peter Jipsen*, Chapman University
    (1069-06-194)
  • 4:30 p.m.
    Problems in Universal Algebra and the Theory of Ordered Sets.
    John W. Snow*, Concordia University, Nebraska
    Jeremy Alm, Illinois College
    Kristi Meyer, Wisconsin Lutheran College
    (1069-08-217)
• Saturday March 19, 2011, 3:00 p.m.-4:50 p.m.
  Special Session on Geometric Commutative Algebra and Applications III
  Rm 346 Indiana, Iowa Memorial Union Bldg
  Organizers:
  David Anderson, University of Washington dandersn@math.washington.edu
  Julianna Tymoczko, University of Iowa tymoczko@math.uiowa.edu
  

  • 3:00 p.m.
    Torus equivariant D-modules and hypergeometric systems.
    Christine Berkesch, Stockholm University
    Laura Felicia Matusevich*, Department of Mathematics, Texas A&M University
    (1069-14-167)
  • 4:00 p.m.
    A vanishing theorem for etale cohomology.
    Manoj Kummini, Purdue University
    Uli Walther*, Purdue University
    (1069-14-152)
  • 4:30 p.m.
    Graph curves: Equations, syzygies and secants.
    Gregory Burnham, Princeton University
    Zvi Rosen, University of Pennsylvania
    Jessica Sidman*, Mount Holyoke College
    Peter Vermeire, Central Michigan University
    (1069-13-242)
• Saturday March 19, 2011, 5:30 p.m.-7:00 p.m.
  University of Iowa hosted RECEPTION
  Room 243, Iowa Memorial Union Ballroom

Sunday March 20, 2011

• Sunday March 20, 2011, 8:00 a.m.-11:50 a.m.
  Special Session on Algebraic Combinatorics IV
  Rm 345 Northwestern, Iowa Memorial Union Bldg
  Organizers:
  Mihai Ciucu, Indiana University mciucu@indiana.edu
  

  • 8:00 a.m.
    Positroids, polytopes, and quantum minors.
    Alexander Postnikov*, MIT
    (1069-05-333)
  • 9:00 a.m.
    A decomposition of the Pearson $X^2$ statistic, with applications to pairwise gene interactions.
    Glenn Tesler*, University of California, San Diego
    (1069-62-321)
  • 9:30 a.m.
    Plane overpartitions and cylindric partitions.
    Mirjana Vuletic*, Brown University
    (1069-05-99)
  • 10:00 a.m.
    Double-dimer pairings and skew Young diagrams.
    Richard W. Kenyon, Brown University
    David B. Wilson*, Microsoft Research
    (1069-05-259)
  • 11:00 a.m.
    Mahonian Pairs.
    Bruce Sagan*, Michigan State University
    Carla Savage, North Carolina State University
    (1069-05-45)
  • 11:30 a.m.
    Recent progress on Rota's basis conjecture.
    Timothy Y Chow*, Center for Communications Research
    (1069-05-300)
• Sunday March 20, 2011, 8:00 a.m.-11:50 a.m.
  Special Session on Algebraic K-Theory and Homotopy Theory IV
  Rm 110, MacLean Classroom Bldg
  Organizers:
  Teena Gerhardt, Michigan State University teena@math.msu.edu
  Daniel Ramras, New Mexico State University
  

  • 8:00 a.m.
    Derived Koszul duality and the algebraic $K$-theory of spaces.
    Andrew J. Blumberg*, University of Texas
    Michael A. Mandell, Indiana University
    (1069-19-338)
  • 9:00 a.m.
    New constructions for Goodwillie Calculus.
    Rosona Eldred*, University of Illinois, Urbana-Champaign
    (1069-55-210)
  • 10:00 a.m.
    Multiplications and Equivariance.
    Michael Anthony Hill*, University of Virginia
    (1069-55-328)
  • 11:00 a.m.
    Filtered spaces and localizations.
    Ricardo Andrade*, Stanford University
    (1069-55-334)
• Sunday March 20, 2011, 8:00 a.m.-11:50 a.m.
  Special Session on Commutative Ring Theory IV
  Rm 105, MacLean Classroom Bldg
  Organizers:
  Daniel D. Anderson, University of Iowa dan-anderson@uiowa.edu
  David F. Anderson, University of Tennessee Knoxville anderson@math.utk.edu
  

  • 8:00 a.m.
    Topologies on the prime spectrum of a ring defined using ultrafilters.
    K Alan Loper*, Ohio State University
    Carmelo Finocchiaro, University of Rome III
    (1069-13-273)
  • 8:30 a.m.
    The D+M Construction and a Generalization.
    Jason Greene Boynton*, North Dakota State University
    Sean Sather-Wagstaff, North Dakota State University
    (1069-13-280)
  • 9:00 a.m.
    Factorization properties of some affine domains.
    Peter Malcolmson, Department of Mathematics, Wayne State University, Detroit, MI 48202.
    Frank Okoh*, Department of Mathematics, Wayne State University, Detroit, MI 48202
    (1069-13-63)
  • 9:30 a.m.
    Lifting of semifree DG modules over DG algebras.
    Saeed Nasseh*, North Dakota State University
    Sean Sather-Wagstaff, North Dakota State University
    (1069-13-172)
  • 10:00 a.m.
    Generalized Relative Primeness.
    Jeremiah Reinkoester*, Mercer University
    Dan Anderson, The University of Iowa
    (1069-13-118)
  • 10:30 a.m.
    Bass Numbers and Semidualizing Modules.
    Sean Sather-Wagstaff*, North Dakota State University
    (1069-13-238)
  • 11:00 a.m.
    A Cohen-Kaplansky Domain Construction.
    Chris Spicer*, Morningside College
    Jim Coykendall, North Dakota State University
    (1069-13-117)
  • 11:30 a.m.
    Integral domains in which nonzero locally principal ideals are invertible.
    D. D. Anderson, University of Iowa, Iowa City, IA 52242
    Muhammad Zafrullah*, University of Iowa, Iowa City, IA 52242
    (1069-13-182)
• Sunday March 20, 2011, 8:00 a.m.-10:20 a.m.
  Special Session on Graph Theory IV
  Rm 348 Illinois, Iowa Memorial Union Bldg
  Organizers:
  Maria Axenovich, Iowa State University axenovic@iastate.edu
  Lale Ozkahya, Iowa State University
  Michael Young, Iowa State University
  

  • 8:00 a.m.
    Graph Packing and Degree Sequences.
    Hemanshu Kaul*, Illinois Institute of Technology
    (1069-05-323)
  • 8:30 a.m.
    Finding many edge-disjoint 1-factors in dense graphs.
    Stephen G. Hartke*, University of Nebrask--Lincoln
    Tyler Seacrest, University of Nebraska--Lincoln
    (1069-05-349)
  • 9:00 a.m.
    Quickly Coloring Graphs with Small Arboricity.
    Kishore Kothapalli, International Institute of Information Technology, Hyderabad, India
    Sriram V Pemmaraju*, Department of Computer Science, The University of Iowa
    (1069-68-322)
  • 9:30 a.m.
    Induced Saturation Number.
    Ryan Martin, Iowa State University
    Jason J Smith*, Iowa State University
    (1069-00-250)
  • 10:00 a.m.
    Graphs containing triangles are not $3$-common.
    Michael Young*, Iowa State University
    James Cummings, Carnegie Mellon University
    (1069-05-156)
• Sunday March 20, 2011, 8:00 a.m.-11:50 a.m.
  Special Session on Numerical Analysis and Scientific Computing IV
  Rm 213, MacLean Classroom Bldg
  Organizers:
  Kendall E. Atkinson, University of Iowa
  Bruce P. Ayati, University of Iowa
  Weimin Han, University of Iowa
  Laurent O. Jay, University of Iowa ljay@math.uiowa.edu
  Suely Oliveira, University of Iowa
  David Stewart, University of Iowa
  

  • 8:00 a.m.
    Efficient Numerical Methods for Forward and Inverse Stochastic Helmholtz Equations and Applications.
    Haomin Zhou*, School of Mathematics, Georgia Tech,
    (1069-65-357)
  • 8:30 a.m.
    The numerical solution of Helmholtz's equation for the exterior Neumann problem in three dimensions.
    Andreas Kleefeld, Brandenburgische Technische Universitat Cottbus,Cottbus, Germany
    Tzu-Chu Lin*, Department of Mathematical Sciences, University of Wisconsin-Milwaukee, P.O.Box 413, Milwaukee, WI 53201
    (1069-65-314)
  • 9:00 a.m.
    An Inverse Random Source Scattering Problem in Inhomogeneous Media.
    Peijun Li*, Department of Mathematics, Purdue University
    (1069-78-60)
  • 9:30 a.m.
    Fast finite element solver development for a nonlocal dielectric continuum model.
    Dexuan Xie*, Department of Mathematical Sciences, University of Wisconsin, Milwaukee, Wisconsin
    (1069-65-47)
  • 11:00 a.m.
    Stable Evaluation of Gaussian RBF Interpolants.
    Greg Fasshauer*, Department of Applied Mathematics, Illinois Institute of Technology
    Mike McCourt, Center for Applied Mathematics, Cornell University
    (1069-65-154)
  • 11:30 a.m.
    High Performance Computing & Numerical Analysis.
    Glenn R. Luecke*, Iowa State University
    (1069-65-36)
• Sunday March 20, 2011, 8:00 a.m.-11:50 a.m.
  Special Session on Recent Advances in Hyperbolic and Kinetic Problems II
  Rm 217, MacLean Classroom Bldg
  Organizers:
  Tong Li, University of Iowa tli@divms.uiowa.edu
  Hailing Liu, Iowa State University
  

  • 8:00 a.m.
    Large amplitude inertial oscillations in rotating shallow fluids.
    John K Hunter*, University of California at Davis
    Mihaela Ifrim, University of California at Davis
    (1069-35-269)
  • 8:30 a.m.
    Vanishing viscosity limit for isentropic compressible fluids.
    Ronghua Pan*, Georgia Institute of Technology
    (1069-35-95)
  • 9:00 a.m.
    Nonlinear Stability of Large-amplitude Traveling Waves Arising from Chemotaxis.
    Tong Li*, Department of Mathematics, University of Iowa, Iowa City, IA 52242, USA
    Zhi-An Wang, Department of Applied Mathematics, The Hong Kong Polytechnic University
    (1069-35-240)
  • 9:30 a.m.
    The Cauchy-Dirichlet problem for the FENE dumbbell model of polymeric fluids.
    Hailing Liu, Iowa State University
    Jaemin Shin*, Institute for Mathematics and its Applications
    (1069-35-177)
  • 10:00 a.m.
    Boundary Conditions of Linear Moment Systems.
    Thierry Goudon, INRIA Research Centre Lille-Nord Europe
    C. David Levermore, Department of Mathematics & Institute for Physical Science and Technology, University of Maryland
    Weiran Sun*, Department of Mathematics, University of Chicago
    (1069-35-363)
  • 10:30 a.m.
    A variational formula for the weak solutions of pressureless Euler-Poisson equations.
    Eitan Tadmor, Univeristy of Maryland
    Dongming Wei*, University of Wisconsin -- Madison
    (1069-35-124)
  • 11:00 a.m.
    Global existence and long-time behavior of smooth solutions and entropy weak solutions to a quasilinear hyperbolic blood flow model.
    Tong Li, Department of Mathematics, University of Iowa
    Kun Zhao*, Mathematical Biosciences Institute, The Ohio State University
    (1069-35-105)
  • 11:30 a.m.
    Discontinuous Galerkin based constrained transport schemes for ideal MHD.
    James A Rossmanith*, Department of Mathematics, University of Wisconsin - Madison
    (1069-65-12)
• Sunday March 20, 2011, 8:00 a.m.-11:20 a.m.
  Special Session on Recent Developments in Nonlinear Evolution Equations III
  Rm 218, MacLean Classroom Bldg
  Organizers:
  Yinbin Deng, Central China Normal University ybdeng@mail.ccnu.edu.cn
  Yong Yu, University of Iowa yong-yu@uiowa.edu
  Yi Li, University of Iowa yi-li@uiowa.edu
  Shuangjie Peng, Central China Normal University sjpeng@mail.ccnu.edu.cn
  

  • 9:00 a.m.
    On the positive radial solutions of a class of singular semilinear elliptic equations.
    Yinbin Deng*, Department of Mathematics, Huazhong Normal University, Wuhan, China
    yi li, Department of Mathematics, University of Iowa, Iowa City
    fen yang, College of Science, Wuhan University of Science
    (1069-35-115)
  • 9:30 a.m.
    Symmetry of Entire Solutions to the Allen-Cahn Equation.
    Changfeng Gui, University of Connecticut
    Fang Zhang*, University of Connecticut
    (1069-35-278)
  • 10:00 a.m.
    Gradient blowup rate for a semilinear parabolic equation.
    Zhengce Zhang*, Xi'an Jiaotong University
    Bei Hu, University of Notre Dame
    (1069-35-128)
  • 10:30 a.m.
    Discussion - Chang-Jiang Zhu
  • 11:00 a.m.
    Discussion - Huan-Song Zhou
• Sunday March 20, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Representations of Algebras IV
  Rm 343 Ohio State, Iowa Memorial Union Bldg
  Organizers:
  Frauke Bleher, University of Iowa fbleher@divms.uiowa.edu
  Calin Chindris, University of Missouri chindrisc@missouri.edu
  

  • 8:00 a.m.
    Discussion
  • 8:30 a.m.
    Continuous Spaced-Out Cluster Category.
    Kiyoshi Igusa*, Brandeis University
    Gordana G Todorov, Northeastern University
    (1069-18-112)
  • 9:00 a.m.
    Cluster automorphisms.
    Ibrahim Assem, Universite Sherbrooke
    Vasilisa Shramchenko, Universite Sherbrooke
    Ralf Schiffler*, University of Connecticut
    (1069-16-62)
  • 9:30 a.m.
    Stable Endomorphism Rings for Modules that belong to Dihedral Blocks with two Simple Modules.
    F. Bleher, University of Iowa
    J. Froelich, Dickinson College
    G. Llosent*, California State University, SB
    (1069-16-135)
  • 10:00 a.m.
    Universal Deformation Rings and Dihedral Blocks with Two Simple Modules.
    Frauke M. Bleher, The University of Iowa
    Giovanna Llosent, California State University San Bernardino
    Jennifer B. Schaefer*, Dickinson College
    (1069-16-159)
  • 10:30 a.m.
    Universal Deformation Rings of Modules over Frobenius Algebras.
    Jose A. Velez Marulanda*, Assistant Professor/Valdosta State University
    Frauke M. Bleher, Professor/University of Iowa
    (1069-16-37)
• Sunday March 20, 2011, 8:00 a.m.-11:40 a.m.
  Contributed Paper Session
  Rm 337 Penn State, Iowa Memorial Union Bldg
  Chairs:
  Xiaoyi Zhang, University of Iowa
  

  • 8:00 a.m.
    Groups of derangements of the $n$-cube.
    Oscar Vega*, California State University, Fresno
    Larry Cusick, California State University, Fresno
    (1069-05-258)
  • 8:30 a.m.
    Nim on hypercubes.
    Lindsay Anne Erickson*, North Dakota State University
    Warren Shreve, North Dakota State University
    (1069-05-266)
  • 8:45 a.m.
    Extremal Trees with Given Degree Sequence.
    Andrew J Radcliffe, University of Nebraska-Lincoln
    Andrew B Ray*, University of Nebraska-Lincoln
    (1069-05-325)
  • 9:00 a.m.
    Zeta function of cones over regular graphs.
    Marius Somodi*, University of Northern Iowa
    Paymun Bayati, University of Northern Iowa
    (1069-05-21)
  • 9:15 a.m.
    A polynomial invariant of 3-valent graphs embedded in the three dimensional space.
    Carmen Caprau*, California State University, Fresno
    James Tipton, California State University, Fresno
    (1069-05-287)
  • 9:30 a.m.
    Non-geometric Brownian motion model estimated by Markov Chain approximation.
    Hung Yu Chang*, Department of Mathematics, the University of Alabama
    (1069-05-303)
  • 9:45 a.m.
    Generalized Frobenius algebras, algebraic integral theory and applications to representation theory, Hopf algebras and compact groups.
    Miodrag C Iovanov*, University of Southern California & University of Bucharest, Romania
    (1069-16-28)
  • 10:15 a.m.
    Spike-layer Solutions to Singularly Perturbed Semilinear Systems of Coupled Schrodinger Equations.
    Zhongwei Tang*, School of Mathematical Sciences,Beijing Normal University
    (1069-35-78)
  • 10:30 a.m.
    Quenching behavior for nonlinear degenerate parabolic problems.
    W. Y. Chan*, Southeast Missouri State University
    (1069-35-69)
  • 10:45 a.m.
    Fractional Trigonometry.
    Amera Habbeb Almusharrf*, Western Kuntacky University
    (1069-39-20)
  • 11:30 a.m.
    Sensitivity Analysis of a Three-Species Linear Response Omnivory Model.
    James A Vance*, The University of Virginia's College at Wise
    Derek Fields, The University of Virginia's College at Wise
    (1069-92-241)
• Sunday March 20, 2011, 8:30 a.m.-10:50 a.m.
  Special Session on Recent Developments in Schubert Calculus III
  Rm 347 Minnesota, Iowa Memorial Union Bldg
  Organizers:
  Leonardo Mihalcea, Baylor University Leonardo_Mihalcea@baylor.edu
  

  • 8:30 a.m.
    Puzzles, positroid varieties, and Vakil's geometric Littlewood-Richardson rule.
    Allen Knutson*, Cornell
    (1069-14-74)
  • 9:00 a.m.
    Puzzle and product formulae for GL(n) Belkale-Kumar coefficients.
    Kevin Purbhoo*, University of Waterloo
    Allen Knutson, Cornell University
    (1069-05-316)
  • 9:30 a.m.
    Schubert complexes and degeneracy loci.
    Steven V Sam*, Massachusetts Institute of Technology
    (1069-14-19)
  • 10:00 a.m.
    Experimentation at the Frontiers of Reality in Schubert Calculus.
    Jon Hauenstein, TAMU
    Nick Hein, TAMU
    Chris Hillar, MSRI, Redwood Center for Theoretical Neuroscience
    Luis Garcia-Puente, Sam Houston State University
    Abraham Martin del Campo, TAMU
    James Ruffo, SUNY-Oneonta
    Frank Sottile, TAMU
    Zach Teitler*, Boise State University
    (1069-14-33)
  • 10:30 a.m.
    Open Richardson varieties in Poisson geometry and ring theory.
    Milen Yakimov*, Louisiana State University
    (1069-16-276)
• Sunday March 20, 2011, 8:30 a.m.-10:50 a.m.
  Special Session on Universal Algebra and Order IV
  Rm 113, MacLean Classroom Bldg
  Organizers:
  John Snow, Concordia University John.Snow@cune.edu
  Jeremy Alm, Illinois College
  Clifford Bergman, Iowa State University
  Kristi Meyer, Wisconsin Lutheran College
  

  • 8:30 a.m.
    Endomorphisms and Homomorphisms of Quasi-Stone Algebras.
    M. E. Adams*, Department of Mathematics, State University of New York, New Paltz, NY 12561
    W. Dziobiak, Department of Mathematics, University of Puerto Rico, Mayagüez, PR 00681
    H. P. Sankappanavar, Department of Mathematics, State University of New York, New Paltz, NY 12561
    (1069-06-150)
  • 9:00 a.m.
    Transitivity and representation of finite lattices by finite algebras.
    Steve Seif*, Math Department, University of Louisville
    (1069-08-98)
  • 9:30 a.m.
    Quasiprimal algebras and verbose varieties.
    Clifford Bergman*, Iowa State University
    Joel Berman, university of Illinois at Chicago
    (1069-08-83)
  • 10:00 a.m.
    A Separation Theorem for the Clone of Nonsurjective Operations.
    Agnes E Szendrei*, University of Colorado/University of Szeged
    (1069-08-180)
  • 10:30 a.m.
    Commutator relations and the clones of finite groups.
    Jason Shaw*, St. Mary's University
    (1069-20-163)
• Sunday March 20, 2011, 9:00 a.m.-11:20 a.m.
  Special Session on Global and P-adic Representation Theory III
  Rm 341 Purdue, Iowa Memorial Union Bldg
  Organizers:
  Muthukrishnan Krishnamurthy, University of Iowa mkrishna@math.uiowa.edu
  Philip Kutzco, University of Iowa philip-kutzko@math.uiowa.edu
  Yangbo Ye, University of Iowa yey@math.uiowa.edu
  

  • 9:00 a.m.
    Eisenstein cohomology and special values of Rankin-Selberg L-functions.
    A. Raghuram*, Oklahoma State University
    (1069-11-90)
  • 10:00 a.m.
    Negative $K$-theory of generalized quaternion groups and binary polyhedral groups.
    Bruce A Magurn*, Miami University
    (1069-19-70)
  • 10:30 a.m.
    Residues of Intertwining Operators for Classical Groups.
    Steven T Spallone*, University of Oklahoma
    Freydoon Shahidi, Purdue University
    (1069-22-255)
• Sunday March 20, 2011, 9:00 a.m.-11:50 a.m.
  Special Session on Spectral Theory III
  Rm 118, MacLean Classroom Bldg
  Organizers:
  David Damanik, Rice University damanik@rice.edu
  Christian Remling, University of Oklahoma
  

  • 9:00 a.m.
    Diffusion of wave packets in a fluctuating random potential.
    Yang Kang, Los Angeles, CA
    Eman Hamza, University of Cairo
    Jeffrey Schenker*, Michigan State University
    (1069-81-347)
  • 9:30 a.m.
    Absolutely continuous spectrum for the Anderson model on a product of a tree with a finite graph.
    Richard G. Froese*, University of British Columbia
    Florina Halasan, Friedrich Schiller Universitat Jena
    David Hasler, Ludwig Maximilians University
    (1069-81-292)
  • 10:00 a.m.
    Method of diagram re-summation for quasi-periodic Scrodinger equation.
    Michael Goldstein*, University of Toronto
    (1069-37-232)
  • 10:30 a.m.
    Wegner estimate and Anderson localization for random magnetic fields.
    David Hasler*, College of William & Mary
    (1069-81-247)
  • 11:00 a.m.
    Transition in the Eigenvalue Distribution for Self-Adjoint and Unitary Operators.
    Mihai Stoiciu*, Williams College
    (1069-46-205)
  • 11:30 a.m.
    Zeta function on surfaces of revolution.
    Klaus Kirsten*, Department of Mathematics, Baylor University
    (1069-58-235)
• Sunday March 20, 2011, 9:00 a.m.-10:20 a.m.
  Special Session on Thin Position IV
  Rm 114, MacLean Classroom Bldg
  Organizers:
  Jesse Johnson, Oklahoma State University
  Maggie Tomova, University of Iowa mtomova@math.uiowa.edu
  

  • 9:00 a.m.
    Normalizing Topologically minimal surfaces.
    David C Bachman*, Pitzer College
    (1069-57-233)
  • 9:30 a.m.
    Heegaard surfaces in toroidal 3-manifolds.
    David Bachman, Pitzer College
    Ryan Derby-Talbot*, Quest University Canada
    Eric Sedgwick, Depaul University
    (1069-57-352)
  • 10:00 a.m.
    Surfaces that become isotopic after Dehn filling.
    David Bachman, Pitzer College
    Ryan Derby-Talbot, Quest University
    Eric Sedgwick*, DePaul University
    (1069-57-219)
• Sunday March 20, 2011, 9:00 a.m.-11:50 a.m.
  Special Session on Topological Problems in Molecular Biology IV
  Rm 335 Iowa, Iowa Memorial Union Bldg
  Organizers:
  Isabel K. Darcy, University of Iowa idarcy@math.uiowa.edu
  Stephen D. Levene, University of Texas at Dallas
  Jonathan Simon, University of Iowa
  

  • 9:00 a.m.
    The effects of density on the topological structure of the mitochondrial DNA from trypanosomes.
    J Arsuaga, Department of Mathematics, San Francisco State University
    Y Diao*, Department of Mathematics and Statistics, UNC Charlotte
    R Kaplan, Department of Mathematics, San Francisco State University
    M Vazquez, Department of Mathematics, San Francisco State University
    (1069-57-148)
  • 9:30 a.m.
    Average crossing number, total curvature and ropelength of thick knots.
    Claus Ernst*, Western Kentucky University
    Attila Por, Western Kentucky University
    (1069-57-302)
  • 10:00 a.m.
    Flat-ribbon links in R2 and the medial axis.
    Elizabeth Denne*, Smith College
    John M Sullivan, Technische Universität, Berlin
    Nancy C Wrinkle, Northeastern Illinois University
    (1069-57-297)
  • 10:30 a.m.
    Knot reduction for a lattice polygon model of local strand passage.
    Michael Szafron, University of Saskatchewan
    Christine Soteros*, University of Saskatchewan
    (1069-82-308)
  • 11:00 a.m.
    Generating Polymers in Confinement.
    Yuanan Diao, Department of Mathematics and Statistics, University of North Carolina at Charlotte
    Claus Ernst, Department of Mathematics and Computer Science, WKU
    Kenneth Hinson, Department of Mathematics and Statistics, University of North Carolina at Charlotte
    Uta Ziegler*, Departmet of Mathematics and Computer Science, WKU
    (1069-57-353)
  • 11:30 a.m.
    Sub-Riemannian and Symplectic Geometry of Polygon Spaces.
    Matt Mastin*, University of Georgia
    Jason Cantarella, University of Georgia
    (1069-53-329)
• Sunday March 20, 2011, 9:30 a.m.-11:20 a.m.
  Special Session on Geometric Commutative Algebra and Applications IV
  Rm 346 Indiana, Iowa Memorial Union Bldg
  Organizers:
  David Anderson, University of Washington dandersn@math.washington.edu
  Julianna Tymoczko, University of Iowa tymoczko@math.uiowa.edu
  

  • 9:30 a.m.
    Understanding random walks with supercharacters.
    Persi Diaconis, Stanford University
    I. Martin Isaacs, University of Wisconsin-Madison
    Nathaniel Thiem*, University of Colorado at Boulder
    (1069-20-162)
  • 10:30 a.m.
    The centers of the affine BMW algebra and its degenerate version.
    Zajj B. Daugherty*, St Olaf College
    Arun Ram, University of Melbourne
    Rahbar Virk, UC Davis
    (1069-20-277)
  • 11:00 a.m.
    Hessenberg Varieties, Bruhat Order and Young's Rule.
    Nicholas Teff*, University of Iowa
    (1069-20-208)

Inquiries: meet@ams.org

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