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AMS Sectional Meeting Program by Day

Current as of Sunday, October 23, 2011 00:29:39

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Program  ·  Deadlines  ·  Registration/Housing/Etc.
Special Event or Lecture  ·  Inquiries: meet@ams.org

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2011 Fall Central Section Meeting
University of Nebraska-Lincoln, Lincoln, NE
October 14-16, 2011 (Friday - Sunday)
Meeting #1074

Associate secretaries:

Georgia Benkart, AMS benkart@math.wisc.edu

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Saturday October 15, 2011

• Saturday October 15, 2011, 7:30 a.m.-4:00 p.m.
  Book sale and exhibit.
  B-13 Math Resource Room, Avery Hall
• Saturday October 15, 2011, 7:30 a.m.-4:00 p.m.
  Sectional Meeting Registration.
  Lobby Area - Level 0 - Avery Hall, Avery Hall
• Saturday October 15, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Algebraic Geometry and Graded Commutative Algebra, I
  Room 103, Burnett Hall
  Organizers:
  Susan Cooper, Central Michigan University s.cooper@cmich.edu
  Brian Harbourne, University of Nebraska-Lincoln
  

  • 8:00 a.m.
    Gorenstein algebras presented by quadrics.
    Juan Migliore, University of Notre Dame
    Uwe Nagel*, University of Kentucky
    (1074-13-165)
  • 8:30 a.m.
    On the Interval Property in algebra and combinatorics.
    Fabrizio Zanello*, MIT and Michigan Tech
    (1074-13-34)
  • 9:00 a.m.
    Log-concavity of asymptotic multigraded Hilbert series.
    Gregory G Smith*, Queen's University
    Adam McCabe, University of Toronto
    (1074-13-142)
  • 9:30 a.m.
    New examples of defective secant varieties of Segre-Veronese varieties.
    Hirotachi Abo*, University of Idaho
    Maria Chiara Brambilla, Universita Politecnica Delle Marche
    (1074-14-173)
  • 10:00 a.m.
    Bounding projective dimension and regularity.
    Alexandra Seceleanu*, University of Nebraska-Lincoln
    Jesse Beder, University of Illinois at Urbana-Champaign
    Jason McCullough, University of California, Riverside
    Luis Nunez-Betancourt, University of Michigan
    Bart Snapp, Ohio State University
    Brandon Stone, University of Kansas
    (1074-13-199)
  • 10:30 a.m.
    Cohen-Macaulay Toric Rings Arising from Finite Graphs.
    Augustine B O'Keefe*, Tulane University
    Huy TÃ i HÃ, Tulane University
    (1074-13-291)
• Saturday October 15, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Algorithmic and Geometric Properties of Groups and Semigroups, II
  Room 119, Avery Hall
  Organizers:
  Susan Hermiller, University of Nebraska-Lincoln shermiller2@math.unl.edu
  John Meakin, University of Nebraska-Lincoln
  

  • 8:00 a.m.
    Solving equations in the Grigorchuk group G.
    Alexei Miasnikov*, Stevens Institute of Technology
    (1074-20-308)
  • 8:30 a.m.
    Schreier graphs and Schreier dynamical system of the action of Thompson's group $F$ on the Cantor set.
    Dmytro M Savchuk*, Binghamton University
    (1074-20-296)
  • 9:00 a.m.
    A Type B version of Thompson's Group F.
    Sonja Mitchell*, University of California at Santa Barbara
    (1074-20-177)
  • 9:30 a.m.
    Weakly-Ruinous and Strongly-Thin Subsets of Richard Thompson's Group F.
    John Donnelly*, University of Southern Indiana
    (1074-20-136)
  • 10:00 a.m.
    Fine asymptotic geometry in the Heisenberg group.
    Moon Duchin*, Tufts University
    Christopher Mooney, Bradley University
    (1074-20-73)
  • 10:30 a.m.
    Aspherical groups and manifolds with extreme properties.
    Mark Sapir*, Vanderbilt University
    (1074-20-38)
• Saturday October 15, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Association Schemes and Related Topics, II
  Room 108, Avery Hall
  Organizers:
  Sung Y. Song, Iowa State University sysong@iastate.edu
  Paul Terwilliger, University of Wisconsin Madison
  

  • 8:00 a.m.
    Sylow theory for quasigroups.
    Jonathan D.H. Smith*, Department of Mathematics, Iowa State University
    (1074-20-225)
  • 8:30 a.m.
    $2$-S-rings of groups and generalizations.
    Kenneth W Johnson*, The Pennsylvania State University, Abington College
    (1074-20-197)
  • 9:00 a.m.
    Two commuting operators associated with a tridiagonal pair.
    Sarah R. Bockting*, University of Wisconsin - Madison
    (1074-05-319)
  • 9:30 a.m.
    Connections with BLT-sets.
    Eric M. Nelson*, Colorado State University
    (1074-05-229)
  • 10:00 a.m.
    Bidiagonal pairs, the Lie algebra $\mathfrak{sl}_2$, and the quantum group $U_q(\mathfrak{sl}_2)$.
    Darren R. Funk-Neubauer*, Colorado State University - Pueblo
    (1074-15-257)
  • 10:30 a.m.
    All simple groups are characterized by their non-commuting graphs.
    Ron Solomn, The Ohio State University
    Andrew Woldar*, Villanova University
    (1074-05-178)
• Saturday October 15, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Asymptotic Behavior and Regularity for Nonlinear Evolution Equations, II
  Room 204, Burnett Hall
  Organizers:
  Petronela Radu, University of Nebraska-Lincoln pradu@math.unl.edu
  Lorena Bociu, University of Nebraska-Lincoln
  

  • 8:00 a.m.
    Variational theory for some nonlocal problems.
    Tadele A Mengesha*, Penn State University
    (1074-45-306)
  • 8:30 a.m.
    The role of curvature and nonlinearities in stability of waves on compact surfaces.
    Marcelo M Cavalcanti*, State University of Maringa
    (1074-35-82)
  • 9:00 a.m.
    Existence and stability of viscoelastic shock profiles.
    Marta Lewicka*, University of Pittsburgh
    (1074-35-248)
  • 9:30 a.m.
    Stability of planar interfaces in two-phase porous media flow.
    Michael Shearer*, NC State University
    Kim Spayd, NC State University
    Zhengzheng Hu, NC State University
    (1074-35-114)
  • 10:00 a.m.
    Decay of solutions to damped Korteweg-de Vries type equation.
    Valeria N Domingos Cavalcanti*, State University of Maringa
    (1074-35-83)
  • 10:30 a.m.
    A Liouville comparison principle for entire weak sub- and super-solutions of the equation $w_t-\Delta_p (w) = |w|^{q-1}w$.
    Vasilii V. Kurta*, Mathematical Reviews, 416 Fourth Street, P.O. Box 8604, Ann Arbor, MI 48107, USA
    (1074-35-29)
• Saturday October 15, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Commutative Algebra, II
  Room 107, Burnett Hall
  Organizers:
  Christina Eubanks-Turner, University of Louisiana at Lafayette ceturner@louisiana.edu
  Aihua Li, Montclair State University
  

  • 8:00 a.m.
    Star (prime) operations on Noetherian domains.
    Evan G Houston*, Univ. of NC at Charlotte
    (1074-13-98)
  • 8:30 a.m.
    On the number of generators for ideals in rings of integer-valued polynomials.
    Lee Klingler*, Florida Atlantic University
    Yuri Villanueva, Florida Atlantic University
    (1074-13-46)
  • 9:00 a.m.
    Questions on symbolic powers.
    Craig Huneke*, University of Kansas
    Brian Harbourne, University of Nebraska
    (1074-13-59)
  • 9:30 a.m.
    Topological and geometric criteria for irredundancy of an intersection of valuation rings.
    Bruce M Olberding*, New Mexico State University
    (1074-13-221)
  • 10:00 a.m.
    Ideals that are an irredundant union of principal ideals.
    D. D. Anderson*, The University of Iowa
    Sangmin Chun, Seoul National University
    (1074-13-80)
  • 10:30 a.m.
    Nakayama's Lemma for Ext and Ascent for Module Structures.
    Ben J Anderson*, North Dakota State University
    Sean Sather-Wagstaff, North Dakota State University
    (1074-13-251)
• Saturday October 15, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Computational and Applied Mathematics, II
  Room 124, Burnett Hall
  Organizers:
  Ludwig Kohaupt, Beuth University of Technology Berlin, Germany kohaupt@bht-berlin.de
  Yan Wu, Georgia Southern University
  

  • 8:00 a.m.
    Controllability and Observability of Matrix Differential Algebraic Equations.
    Yan Wu*, Department of Mathematical Sciences/Georgia Southern University
    (1074-93-32)
  • 8:30 a.m.
    Stability results for size-structured population dynamics models with maturation.
    M. El-Doma*, University of Khartoum, Faculty of Mathematical Sciences, Khartoum-Sudan
    (1074-92-11)
  • 9:00 a.m.
    An potential-theoretic construction of the Schwarz-Christoffel map for multiply connected domains.
    Valentin V Andreev, Lamar University
    Timothy H McNicholl*, Lamar University
    (1074-30-23)
  • 9:30 a.m.
    Construction of Green's functions for two-dimensional Laplace equation in spherical coordinates.
    Volodymyr Borodin*, Middle Tennessee State University
    (1074-35-124)
  • 10:00 a.m.
    Green's functions-based approach to the representation of elementary functions by infinite products.
    Yuri A. Melnikov*, Professor of Mathematics, Middle Tennessee State University, Murfreesboro, TN 37132
    (1074-65-219)
  • 10:30 a.m.
    Mixed-enhanced quadrilateral finite elements with Wachspress-type functions.
    Reinhard Piltner*, Department of Mathematical Sciences, Georgia Southern University
    Lixin Li, Department of Computer Sciences, Georgia Southern University
    (1074-74-174)
• Saturday October 15, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Continuous and Numerical Analysis in the Control of PDE's, II
  Room 203, Burnett Hall
  Organizers:
  George Avalos, University of Nebraska-Lincoln
  Mohammad Rammaha, University of Nebraska-Lincoln
  Daniel Toundykov, University of Nebraska-Lincoln dtoundykov2@unl.edu
  

  • 8:00 a.m.
    Global regularity and scattering for quadratic Klein-Gordon equation in two space dimensions.
    Atanas G. Stefanov*, University of Kansas
    Vladimir Georgiev, University of Pisa, Italy
    (1074-35-267)
  • 8:30 a.m.
    On the unique continuation for some hyperbolic systems of PDE with time-independent $C^1$-coefficients.
    Matthias Eller*, Department of Mathematics, Georgetown University
    (1074-35-236)
  • 9:00 a.m.
    Controlling the Constraints in Hyperbolic Evolution Systems.
    Nicolae Tarfulea*, Purdue University Calumet
    (1074-35-116)
  • 9:30 a.m.
    Optimal source selection and sparsity regularization in diffuse optical tomography.
    Jack Cooper*, Clemson University
    (1074-35-311)
  • 10:00 a.m.
    On the computation of tracking initial condition.
    Yu-Min Chung*, Mathematics Dept., Indiana University-Bloomington
    (1074-65-193)
  • 10:30 a.m.
    Infinitesimal isometries on developable surfaces and asymptotic theories of elastic developable films.
    Marta Lewicka*, University of Pittsburgh
    (1074-49-247)
• Saturday October 15, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Dynamic Systems on Time Scales with Applications, II
  Room 118, Burnett Hall
  Organizers:
  Lynn Erbe, University of Nebraska-Lincoln lerbe@math.unl.edu
  Allan Peterson, University of Nebraska-Lincoln
  

  • 8:00 a.m.
    Existence of positive solutions of $2n$th order system periodic boundary value problems via eigenvalue approach.
    Qingkai Kong, Northern Illinois University
    Min Wang*, University of Tennessee at Chattanooga
    (1074-34-122)
  • 8:30 a.m.
    Gronwall's Inequality on Discrete Fractional Calculus.
    Ferhan M. Atici*, Western Kentucky University, Bowling Green, KY.
    Paul W. Eloe, University of Dayton, Dayton, OH.
    (1074-39-111)
  • 9:00 a.m.
    Oscillation of a Second-Order Linear Delay Dynamic Equation.
    Raegan Higgins*, Texas Tech University
    (1074-39-190)
  • 9:30 a.m.
    The Rational Expectations: A New Formulation of the Single-Equation Model on Time Scales.
    Funda Ekiz*, Western Kentucky University, Bowling Green, KY
    Ferhan M. Atici, Western Kentucky University, Bowling Green, KY
    (1074-39-181)
  • 10:00 a.m.
    Periodic solutions of a second-order differential equation with $p$-Laplacian operator.
    Eric R Kaufmann*, University of Arkansas at Little Rock
    (1074-34-245)
  • 10:30 a.m.
    Using time scales to study multi-interval Sturm-Liouville problems with interface conditions.
    Qingkai Kong*, Northern Illinois University
    Qi-Ru Wang, Zhongshan University, P. R. China
    (1074-34-72)
• Saturday October 15, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Dynamical Systems and Operator Algebras, II
  Room 119, Burnett Hall
  Organizers:
  Lewis Bowen, Texas A&M University lpbowen@math.tamu.edu
  David Kerr, Texas A&M University
  

  • 8:00 a.m.
    Further Results on Strong Singularity for Subfactors.
    Alan Wiggins*, University of Michigan-Dearborn
    (1074-46-233)
  • 8:30 a.m.
    The radius of comparison for crossed products and mean topological dimension.
    Taylor Hines*, Purdue University
    Andrew Toms, Purdue University
    (1074-46-157)
  • 9:00 a.m.
    Von Neumann Algebras of Hyperbolic Groups.
    Ionut Chifan, University of Iowa
    Thomas Sinclair*, UCLA
    (1074-46-239)
  • 10:00 a.m.
    Orbital equivalence relation on tiling spaces.
    Antoine Julien*, University of Victoria (Canada)
    (1074-37-324)
  • 10:30 a.m.
    The Spectrum of Groupoid $C^*$-algebras.
    Geoff R Goehle*, Western Carolina University
    (1074-47-128)
• Saturday October 15, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Matrices and Graphs, II
  Room 112, Avery Hall
  Organizers:
  In-Jae Kim, Minnesota State University in-jae.kim@mnsu.edu
  Adam Berliner, St. Olaf College
  Leslie Hogben, Iowa State University
  Bryan Shader, University of Wyoming
  

  • 8:00 a.m.
    Bounding inertia sets of graphs.
    Steve Butler*, Iowa State University
    (1074-15-176)
  • 9:00 a.m.
    The Inverse Inertia Problem for an Outerplanar Graph.
    John Sinkovic*, Brigham Young University
    (1074-15-330)
  • 9:30 a.m.
    Minimum Skew Rank of Some Outerplanar Graphs.
    Luz M. DeAlba*, Drake University
    (1074-05-51)
  • 10:00 a.m.
    The Inverse Eigenvalue Problem for Graphs of Low Minimum Rank.
    Wayne Barrett*, Department of Mathematics, Brigham Young University
    Seth Gibelyou, Provo, Utah
    Mark Kempton, Department of Mathematics, University of California, San Diego
    Nicole Malloy, Department of Mathematics, Brigham Young University
    Curtis Nelson, Department of Mathematics, Brigham Young University
    William Sexton, Department of Mathematics, Brigham Young University
    John Sinkovic, Department of Mathematics, Brigham Young University
    (1074-15-103)
  • 10:30 a.m.
    Bounds for minimum rank problems from superpositions and cut sets.
    Sivaram K. Narayan*, Central Michigan University
    (1074-15-19)
• Saturday October 15, 2011, 8:00 a.m.-10:50 a.m.
  Special Session on Quantum Groups and Representation Theory, II
  Room 111, Avery Hall
  Organizers:
  Jonathan Kujawa, University of Oklahoma kujawa@ou.edu
  Natasha Rozhkovskaya, Kansas State University
  

  • 8:00 a.m.
    Cohomological detection for Lie superalgebras with applications to support varieties.
    Daniel K. Nakano*, University of Georgia
    (1074-17-55)
  • 9:00 a.m.
    Yangians and quantum loop algebras.
    Sachin Gautam*, Columbia University
    (1074-81-145)
  • 9:30 a.m.
    Support varieties and representation type of self-injective algebras.
    Joerg Feldvoss*, Department of Mathematics and Statistics, University of South Alabama, Mobile, AL 36688
    Sarah Witherspoon, Department of Mathematics, Texas A&M University, College Station
    (1074-16-123)
  • 10:00 a.m.
    Some quantum analogues of results from Lie algebra cohomology.
    Christopher M. Drupieski*, University of Georgia
    (1074-17-93)
  • 10:30 a.m.
    Cohomology for infinitesimal unipotent algebraic and quantum groups.
    Christopher M. Drupieski, University of Georgia
    Daniel K. Nakano, University of Georgia
    Nham V. Ngo*, University of Georgia
    (1074-20-05)
• Saturday October 15, 2011, 8:30 a.m.-10:50 a.m.
  Special Session on Coding Theory, II
  Room 110, Avery Hall
  Organizers:
  Christine Kelley, University of Nebraska-Lincoln ckelley2@math.unl.edu
  Judy Walker, University of Nebraska-Lincoln
  

  • 8:30 a.m.
    Dualizing Trellises for Linear Block Codes.
    Elizabeth A Weaver*, University of Kentucky
    (1074-94-97)
  • 9:00 a.m.
    Enumerating Trellis Pseudocodewords.
    David Conti*, Claude Shannon Institute and School Of Mathematical Sciences, UCD, Dublin, Ireland
    (1074-94-293)
  • 9:30 a.m.
    Pseudocodewords and pseudoweights.
    Nigel Boston*, University of Wisconsin - Madison
    (1074-94-295)
  • 10:00 a.m.
    On enumerating the pseudocodewords of a parity-check codes.
    Wittawat Kositwattanarerk*, Clemson University
    Gretchen L Matthews, Clemson University
    (1074-94-149)
  • 10:30 a.m.
    Can pseudocodewords be used to increase communication rates?
    Nathan Axvig*, Virginia Military Institute
    (1074-94-20)
• Saturday October 15, 2011, 8:30 a.m.-10:50 a.m.
  Special Session on Extremal and Probabilistic Combinatorics, II
  Room 118, Avery Hall
  Organizers:
  Stephen Hartke, University of Nebraska-Lincoln hartke@math.unl.edu
  Jamie Radcliffe, University of Nebraska-Lincoln
  

  • 8:30 a.m.
    The Chinese Postman Problem in regular graphs of odd degree.
    Suil O, College of William and Mary
    Douglas B. West*, University of Illinois - Urbana
    (1074-05-194)
  • 9:00 a.m.
    Residues and independence numbers of unigraphs.
    Michael D. Barrus*, Black Hills State University
    (1074-05-256)
  • 9:30 a.m.
    Pancyclicity of 4-Connected, Claw-Free, $P_{10}$-Free Graphs.
    Michael Ferrara*, University of Colorado Denver
    TImothy Morris, University of Colorado Denver
    Paul Wenger, University of Colorado Denver
    (1074-05-156)
  • 10:00 a.m.
    Finding Large Induced Subgraphs.
    Hemanshu Kaul*, Illinois Institute of Technology
    (1074-05-318)
  • 10:30 a.m.
    On the edit distance for $K_{2,t}$-free graphs.
    Ryan R. Martin*, Iowa State University
    Tracy McKay, Iowa State University
    (1074-05-175)
• Saturday October 15, 2011, 8:30 a.m.-10:50 a.m.
  Special Session on Local Commutative Algebra, II
  Room 115, Burnett Hall
  Organizers:
  H. Ananthnarayan, University of Nebraska-Lincoln ahariharan2@math.unl.edu
  Inês B. Henriques, University of California Riverside
  Hamid Rahmati, Syracuse University
  

  • 8:30 a.m.
    Target elements and test ideals.
    Melvin Hochster*, Department of Mathematics, University of Michigan, Ann Arbor
    Wenliang Zhang, Department of Mathematics, University of Michigan, Ann Arbor
    (1074-13-215)
  • 9:00 a.m.
    $F$-pure thresholds of hypersurfaces.
    Bhargav Bhatt, University of Michigan
    Anurag K Singh*, University of Utah
    (1074-13-200)
  • 9:30 a.m.
    The weak Lefschetz property for monomial complete intersections in positive characteristic.
    Andy Kustin, University of South Carolina
    Adela Vraciu*, University of South Carolina
    (1074-13-163)
  • 10:00 a.m.
    Local cohomology and $G$-modules.
    Emily E Witt*, University of Minnesota
    (1074-13-286)
  • 10:30 a.m.
    DG Ext and Yoneda Ext for DG modules.
    Saeed Nasseh*, North Dakota State University
    Sean Sather-Wagstaff, North Dakota State University
    (1074-13-146)
• Saturday October 15, 2011, 9:00 a.m.-10:50 a.m.
  Special Session on Discrete Methods and Models in Biomathematics, II
  Room 121, Burnett Hall
  Organizers:
  Dora Matache, University of Nebraska-Omaha
  Jim Rogers, University of Nebraska-Omaha
  Alan Veliz-Cuba, University of Nebraska-Lincoln aveliz-cuba2@unl.edu
  

  • 9:00 a.m.
    Dynamical and structural analysis of a T cell survival network identifies novel candidate therapeutic targets for large granular lymphocyte leukemia.
    Assieh Saadatpour*, Department of Mathematics, The Pennsylvania State University, University Park, PA
    Rui-Sheng Wang, Department of Physics, The Pennsylvania State University, University Park, PA
    Aijun Liao, Penn State Hershey Cancer Institute, The Pennsylvania State University College of Medicine, Hershey, PA
    Xin Liu, Penn State Hershey Cancer Institute, The Pennsylvania State University College of Medicine, Hershey, PA
    Thomas P Loughran, Penn State Hershey Cancer Institute, The Pennsylvania State University College of Medicine, Hershey, PA
    Istvan Albert, Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA
    Reka Albert, Department of Physics, The Pennsylvania State University, University Park, PA
    (1074-92-100)
  • 9:30 a.m.
    Testing for fragment bias in high-throughput sequencing experiments.
    Valerie Hower*, University of California, Berkeley
    Lior Pachter, University of California, Berkeley
    Richard Starfield, University of California, Berkeley
    (1074-92-230)
  • 10:00 a.m.
    Reverse Engineering of Discrete Models Using Algebraic Geometry.
    Alan Veliz-Cuba*, University of Nebraska-Lincoln
    (1074-14-290)
  • 10:30 a.m.
    Using distance geometry to encode memory patterns in neuronal networks.
    Carina Curto*, University of Nebraska-Lincoln
    (1074-92-298)
• Saturday October 15, 2011, 9:00 a.m.-10:50 a.m.
  Special Session on Invariants in Knot Theory and Low-dimensional Topology, II
  Room 109, Avery Hall
  Organizers:
  Mark Brittenham, University of Nebraska-Lincoln mbrittenham2@math.unl.edu
  Robert Todd, University of Nebraska-Omaha rtodd@unomaha.edu
  

  • 9:00 a.m.
    Rogers-Ramanujan type identities coming from the colored Jones polynomial.
    Oliver T Dasbach*, Louisiana State University
    Cody Armond, Louisiana State University
    (1074-57-268)
  • 9:30 a.m.
    Open book foliations and contact manifolds.
    Keiko Kawamuro*, University of Iowa
    (1074-57-113)
  • 10:00 a.m.
    The Kauffman polynomial and trivalent graphs.
    Carmen Caprau*, California State University, Fresno
    James Tipton, The University of Iowa
    (1074-57-45)
  • 10:30 a.m.
    Minimal triangulations for infinite families of 3--manifolds.
    William H. Jaco*, Oklahoma State University
    Jesse Johnson, Oklahoma State University
    Stephan Tillmann, University of Queensland
    (1074-57-162)
• Saturday October 15, 2011, 9:00 a.m.-10:45 a.m.
  Special Session on Recent Directions in Number Theory, I
  Room 106, Avery Hall
  Organizers:
  Alina Cojocaru, University of Illinois at Chicago
  Michael Zieve, University of Michigan zieve@umich.edu
  

  • 9:00 a.m.
    Expander Graphs in Arithmetic Geometry.
    Jordan S. Ellenberg, University of Wisconsin
    Chris Hall*, University of Wyoming
    Emmanuel Kowalski, ETH Zurich
    (1074-11-235)
  • 10:00 a.m.
    L-functions of families of toric exponential sums.
    C. Douglas Haessig*, University of Rochester, New York
    (1074-11-70)
• Saturday October 15, 2011, 9:00 a.m.-10:50 a.m.
  Special Session on Recent Progress in Operator Algebras, II
  Room 120, Burnett Hall
  Organizers:
  Allan P. Donsig, University of Nebraska-Lincoln adonsig1@unl.edu
  David R. Pitts, University of Nebraska-Lincoln
  

  • 9:00 a.m.
    Isomorphism of noncommutative domain algebras.
    Alvaro Arias*, University of Denver
    Frederic Latremoliere, University of Denver
    (1074-47-195)
  • 9:30 a.m.
    Aperiodicity Conditions in Topological $k$-Graphs.
    Sarah E Wright*, College of the Holy Cross
    (1074-46-95)
  • 10:00 a.m.
    Perturbations of crossed product II$_1$ factors.
    Jan M. Cameron*, Vassar College
    (1074-47-300)
  • 10:30 a.m.
    Combinatorial Algebra for Normed Structures.
    Will Grilliette*, Alfred University
    (1074-47-260)
• Saturday October 15, 2011, 11:05 a.m.-11:55 a.m.
  Invited Address
  Questions about the reductions modulo primes of an elliptic curve.
  Room 115, Avery Hall
  Alina Cojocaru*, University of Illinois at Chicago and Mathematics Institute of the Romanian Academy
  (1074-11-02)
• Saturday October 15, 2011, 1:25 p.m.-2:15 p.m.
  Invited Address
  The happy marriage between arithmetic geometry and dynamical systems.
  Room 115, Avery Hall
  Michael Zieve*, University of Michigan
  (1074-11-03)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Algebraic Geometry and Graded Commutative Algebra, II
  Room 103, Burnett Hall
  Organizers:
  Susan Cooper, Central Michigan University s.cooper@cmich.edu
  Brian Harbourne, University of Nebraska-Lincoln
  

  • 2:30 p.m.
    Stabilization of multigraded Betti numbers.
    Tai H Ha*, Tulane University
    (1074-13-77)
  • 3:00 p.m.
    Resurgence and related questions for two intersecting lines in $\mathbb{P}^2$.
    Annika Denkert*, University of Nebraska-Lincoln
    (1074-14-274)
  • 3:30 p.m.
    Toward a scheme-theoretic Littlewood-Richardson rule.
    Nickolas Hein*, Texas A&M University
    (1074-14-49)
  • 4:00 p.m.
    A Generalized Hochster's Theta Function.
    W. Frank Moore, Wake Forest University
    Greg Peipmeyer, University of Missouri
    Mark E. Walker, University of Nebraska
    Sandra Spiroff*, University of Mississippi
    (1074-13-133)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Algorithmic and Geometric Properties of Groups and Semigroups, III
  Room 119, Avery Hall
  Organizers:
  Susan Hermiller, University of Nebraska-Lincoln shermiller2@math.unl.edu
  John Meakin, University of Nebraska-Lincoln
  

  • 2:30 p.m.
    Spectral rigidity of automorphic orbits in free groups.
    Ilya Kapovich*, University of Illinois at Urbana-Champaign
    Mathieu Carette, Université catholique de Louvain
    Stefano Francaviglia, Department of Mathematics, University of Bologna
    Armando Martino, School of Mathematics, University of Southampton
    (1074-20-63)
  • 3:00 p.m.
    Towards the Second Integral Homology of $IA_3$.
    Owen Baker*, McMaster University
    (1074-20-189)
  • 3:30 p.m.
    On the linearity of automorphism groups of right-angled Artin groups.
    Hanna Bennett*, University of Michigan
    (1074-20-232)
  • 4:00 p.m.
    On restricting free factors in relatively free groups.
    Lucas Sabalka*, Binghamton University
    Dmytro Savchuk, Binghamton University
    (1074-20-141)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Association Schemes and Related Topics, III
  Room 108, Avery Hall
  Organizers:
  Sung Y. Song, Iowa State University sysong@iastate.edu
  Paul Terwilliger, University of Wisconsin Madison
  

  • 2:30 p.m.
    Constructions of coherent configurations from finite geometries.
    Sylvia A. Hobart*, University of Wyoming
    (1074-05-301)
  • 3:00 p.m.
    A characterization of Leonard pairs using the parameters ${a_{i}}_{i=0}^{d}$.
    Edward D. Hanson*, University of Wisconsin-Madison
    (1074-15-170)
  • 3:30 p.m.
    Terwilliger algebras of Bol loops.
    Brian W Curtin*, University of South Florida
    (1074-05-144)
  • 4:00 p.m.
    Projective planes in which every quadrangle lies on a unique Baer subplane.
    Tim Penttila*, Colorado State University
    (1074-05-60)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Asymptotic Behavior and Regularity for Nonlinear Evolution Equations, III
  Room 204, Burnett Hall
  Organizers:
  Petronela Radu, University of Nebraska-Lincoln pradu@math.unl.edu
  Lorena Bociu, University of Nebraska-Lincoln
  

  • 2:30 p.m.
    On the Asymptotic Behavior of Strongly Damped Wave Equations.
    Ryo Ikehata, Hiroshima University, Japan
    Grozdena Todorova, University of Tennessee-Knoxville, TN
    Borislav Yordanov*, University of Tennessee-Knoxville, TN
    (1074-35-292)
  • 3:00 p.m.
    Instability of steady states for damped nonlinear wave equations.
    Stephen Pankavich*, United States Naval Academy
    Petronela Radu, University of Nebraska, Lincoln
    (1074-35-125)
  • 3:30 p.m.
    Uniform stablization for semilinear system of elasticity with nonlinear Neumann boundary damping.
    Jing Zhang*, University of Virginia
    Irena Lasiecka, University of Virginia
    (1074-35-86)
  • 4:00 p.m.
    On a coupled system of incompressible fluid and nonlinear elasticity.
    Lorena V Bociu*, NCSU
    Jean-Paul Zolesio, CNRS-INLN
    (1074-35-130)
• Saturday October 15, 2011, 2:30 p.m.-3:50 p.m.
  Special Session on Coding Theory, III
  Room 110, Avery Hall
  Organizers:
  Christine Kelley, University of Nebraska-Lincoln ckelley2@math.unl.edu
  Judy Walker, University of Nebraska-Lincoln
  

  • 2:30 p.m.
    Analysis and Design of Two Edge Type LDPC Codes for the BEC Wiretap Channel.
    Vishwambhar Rathi, Royal Institute of Technology
    Mattias Andersson, Royal Institute of Technology
    Ragnar Thobaben, Royal Institute of Technology
    Joerg Kliewer*, New Mexico State University
    Mikael Skoglund, Royal Institute of Technology
    (1074-94-263)
  • 3:00 p.m.
    Designing high-rate codes for flash memories with increased rewrites.
    Kathryn A Haymaker*, University of Nebraska - Lincoln
    (1074-94-275)
  • 3:30 p.m.
    Constructions of codes in permutations.
    Alexander Barg*, University of Maryland
    Arya Mazumdar, University of Maryland/MIT
    Gilles Zemor, University of Bordeaux
    (1074-94-321)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Commutative Algebra, III
  Room 107, Burnett Hall
  Organizers:
  Christina Eubanks-Turner, University of Louisiana at Lafayette ceturner@louisiana.edu
  Aihua Li, Montclair State University
  

  • 2:30 p.m.
    New Directions in Boij-Söderberg Theory.
    Courtney Gibbons*, University of Nebraska-Lincoln
    (1074-13-79)
  • 3:00 p.m.
    Ultra-filter closures of collections of valuation domains.
    K Alan Loper*, Ohio State University
    Carmelo Finocchiaro, University of Rome 3
    (1074-13-262)
  • 3:30 p.m.
    Hilbert Coefficients of Parameter Ideals.
    Lori A McDonnell*, Ashland University
    (1074-13-234)
  • 4:00 p.m.
    Characterizing the ring extensions that satisfy FIP or FCP.
    David E. Dobbs*, University of Tennessee
    Gabriel Picavet, Universite Blaise Pascal
    Martine Picavet-L'Hermitte, Universite Blaise Pascal
    (1074-13-42)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Computational and Applied Mathematics, III
  Room 124, Burnett Hall
  Organizers:
  Ludwig Kohaupt, Beuth University of Technology Berlin, Germany kohaupt@bht-berlin.de
  Yan Wu, Georgia Southern University
  

  • 2:30 p.m.
    Time scale choices on shape function-based spatiotemporal interpolation method for evaluating population exposure to fine particulate matter pollution.
    Lixin Li*, Department of Computer Sciences, Georgia Southern University
    (1074-68-168)
  • 3:00 p.m.
    Measuring the Impact of Time Scale Choice on Spatiotemporal Interpolation using Parallel Computing.
    Derek Ratcliff*, Department of Computer Sciences, Georgia Southern University
    Lixin Li, Department of Computer Sciences, Georgia Southern University
    Robert Cook, Department of Computer Sciences, Georgia Southern University
    (1074-68-147)
  • 3:30 p.m.
    A piecewise linear maximum entropy method for calculating invariant measures of interval mappings.
    J. Ding*, University of Southern Mississippi
    N. Rhee, University of Missouri atKansas City
    (1074-65-09)
  • 4:00 p.m.
    Classification of gene regulatory networks.
    Jonas Denissen*, Freie Universität Berlin
    (1074-92-216)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Continuous and Numerical Analysis in the Control of PDE's, III
  Room 203, Burnett Hall
  Organizers:
  George Avalos, University of Nebraska-Lincoln
  Mohammad Rammaha, University of Nebraska-Lincoln
  Daniel Toundykov, University of Nebraska-Lincoln dtoundykov2@unl.edu
  

  • 2:30 p.m.
    Exact controllability for multilayer Rao-Nakra beams and plates.
    Scott W. Hansen*, Iowa State University
    Ahmet Ozkan Ozer, University of Waterloo
    (1074-93-322)
  • 3:00 p.m.
    Systems of Nonlinear Wave Equations with Damping and Supercritical Boundary and Interior Sources.
    Yanqiu Guo*, University of Nebraska-Lincoln
    Mohammad A. Rammaha, University of Nebraska-Lincoln
    (1074-35-109)
  • 3:30 p.m.
    Well-posedness and Asymptotic Behavior of Nonlinear Flow-Structure Interactions.
    Justin T Webster*, University of Virginia
    (1074-35-90)
  • 4:00 p.m.
    Attractor for a non-dissipative von Karman plate with damping in free boundary conditions.
    Bociu Lorena, North Carolina State University
    Daniel Toundykov*, University of Nebraska-Lincoln
    (1074-35-88)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Discrete Methods and Models in Biomathematics, III
  Room 121, Burnett Hall
  Organizers:
  Dora Matache, University of Nebraska-Omaha
  Jim Rogers, University of Nebraska-Omaha
  Alan Veliz-Cuba, University of Nebraska-Lincoln aveliz-cuba2@unl.edu
  

  • 2:30 p.m.
    From network structure to neural code topology.
    Vladimir Itskov*, UNL
    (1074-92-299)
  • 3:00 p.m.
    Macro-level modeling of the response of C. elegans reproduction to chronic heat stress.
    Patrick D McMullen*, Department of Chemical and Biological Engineering, Northwestern University
    Erin Z Aprison, Department of Ecology and Evolution, University of Chicago
    Peter B Winter, Department of Chemical and Biological Engineering, Northwestern University
    Luis AN Amaral, Department of Chemical and Biological Engineering, Northwestern University
    Richard I Morimoto, Department of Molecular Biosciences, Northwestern University
    Ilya Ruvinsky, Department of Ecology and Evolution, University of Chicago
    (1074-00-329)
  • 3:30 p.m.
    Boolean Model of Budding Yeast Cell Cycle.
    Robert Todd*, University of Nebraska at Omaha
    Tomas Helikar, University of Nebraska at Omaha
    (1074-92-259)
  • 4:00 p.m.
    The Cell Collective: A collaborative modeling platform for biological processes.
    Tomas Helikar*, University of Nebraska-Omaha
    (1074-92-310)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Dynamic Systems on Time Scales with Applications, III
  Room 118, Burnett Hall
  Organizers:
  Lynn Erbe, University of Nebraska-Lincoln lerbe@math.unl.edu
  Allan Peterson, University of Nebraska-Lincoln
  

  • 2:30 p.m.
    Existence of multiple solutions for a generalized discrete beam equation.
    Lingju Kong*, University of Tennessee at Chattanooga
    Qingkai Kong, Northern Illinois University
    John R. Graef, University of Tennessee at Chattanooga
    (1074-39-135)
  • 3:00 p.m.
    Poisson's inequality for a Dirichlet problem on a time scale.
    Gro Hovhannisyan*, Kent State University
    (1074-35-66)
  • 3:30 p.m.
    Existence of positive solutions of a two point boundary value problem for a singular nonlinear semipositone dynamic equations system.
    Rajendra B Dahal*, Coastal Carolina University
    (1074-39-207)
  • 4:00 p.m.
    Application of Time Scale Calculus to the Growth and Development in Populations of Stomoxys calcitrans.
    Heidi Berger*, Simpson College
    (1074-39-261)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Dynamical Systems and Operator Algebras, III
  Room 119, Burnett Hall
  Organizers:
  Lewis Bowen, Texas A&M University lpbowen@math.tamu.edu
  David Kerr, Texas A&M University
  

  • 2:30 p.m.
    Algebraic and quasiequivalence of type III representations of simple nuclear C*-algebras.
    Ping Wong Ng*, University of Louisiana at Lafayette
    (1074-46-218)
  • 3:00 p.m.
    Ergodic measures and characters of transformation groups.
    Konstantin Medynets*, Ohio State University
    (1074-37-56)
  • 4:00 p.m.
    $G$-odometers and classification of $C^*$-algebras.
    José R. Carrión*, Purdue University
    (1074-46-284)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Extremal and Probabilistic Combinatorics, III
  Room 118, Avery Hall
  Organizers:
  Stephen Hartke, University of Nebraska-Lincoln hartke@math.unl.edu
  Jamie Radcliffe, University of Nebraska-Lincoln
  

  • 2:30 p.m.
    Degree Ramsey numbers of double-stars.
    William B. Kinnersley*, University of Illinois at Urbana-Champaign
    Kevin G. Milans, University of South Carolina
    Douglas B. West, University of Illinois at Urbana-Champaign
    (1074-05-302)
  • 3:00 p.m.
    Anti-Ramsey number of matchings in hypergraphs.
    Michael Young*, Iowa State University
    Lale Ozkahya, Iowa State University
    (1074-05-159)
  • 3:30 p.m.
    $\delta(G)$-Size Rainbow Matchings in Properly Edge-Colored Graphs.
    Jennifer Diemunsch, University of Colorado Denver
    Michael Ferrara, University of Colorado Denver
    Casey Moffatt, University of Colorado Denver
    Florian Pfender, University of Rostock
    Paul S Wenger*, University of Colorado Denver
    (1074-05-155)
  • 4:00 p.m.
    Large Rainbow Matchings in Graphs.
    A. Kostochka, University of Illinois at Urbana Champaign
    M. Yancey*, University of Illinois at Urbana Champaign
    (1074-05-278)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Invariants in Knot Theory and Low-dimensional Topology, III
  Room 109, Avery Hall
  Organizers:
  Mark Brittenham, University of Nebraska-Lincoln mbrittenham2@math.unl.edu
  Robert Todd, University of Nebraska-Omaha rtodd@unomaha.edu
  

  • 2:30 p.m.
    Combinatorial Floer Homology for Spatial Graphs.
    Shelly Harvey*, Rice University
    Danielle O'Donnol, Smith College
    (1074-57-166)
  • 3:00 p.m.
    Bridge Numbers and Integral Surgery.
    Kenneth L. Baker*, University of Miami
    Cameron Gordon, University of Texas
    John Luecke, University of Texas
    (1074-57-237)
  • 3:30 p.m.
    Complements of line arrangements in the complex projective plane.
    Kristopher Williams*, Doane College
    (1074-55-78)
  • 4:00 p.m.
    Guts of surfaces and the colored Jones polynomial.
    David Futer, Temple University
    Efstratia Kalfagianni, Michigan State University
    Jessica S Purcell*, Brigham Young University
    (1074-57-134)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Local Commutative Algebra, III
  Room 115, Burnett Hall
  Organizers:
  H. Ananthnarayan, University of Nebraska-Lincoln ahariharan2@math.unl.edu
  Inês B. Henriques, University of California Riverside
  Hamid Rahmati, Syracuse University
  

  • 2:30 p.m.
    The bi-graded structure of Symmetric Algebras with applications to Rees rings.
    Andrew R. Kustin*, University of South Carolina
    Claudia Polini, University of Notre Dame
    Bernd Ulrich, Purdue University
    (1074-13-89)
  • 3:00 p.m.
    Rees algebras of square-free monomial ideals.
    Louiza Fouli*, New Mexico State University
    Kuei-Nuan Lin, University of California, Riverside
    (1074-13-154)
  • 3:30 p.m.
    On the Cohen-Macaulayness of the conormal module of an ideal.
    Paolo Mantero*, Purdue Univeristy
    Yu Xie, University of Notre Dame
    (1074-13-08)
  • 4:00 p.m.
    Connected sums of simplicial complexes.
    W. Frank Moore*, Wake Forest University
    Tomoo Matsumura, KAIST
    (1074-13-327)
• Saturday October 15, 2011, 2:30 p.m.-4:15 p.m.
  Special Session on Matrices and Graphs, III
  Room 112, Avery Hall
  Organizers:
  In-Jae Kim, Minnesota State University in-jae.kim@mnsu.edu
  Adam Berliner, St. Olaf College
  Leslie Hogben, Iowa State University
  Bryan Shader, University of Wyoming
  

  • 2:30 p.m.
    Propagation Times of Graphs.
    My Huynh*, Arizona State University
    (1074-15-167)
  • 3:00 p.m.
    Colin de Verdière parameters of chordal graphs.
    Lon H Mitchell*, American Mathematical Society
    Shaun M Fallat, University of Regina
    (1074-05-16)
  • 3:30 p.m.
    Matrix classes: old and new.
    Richard A. Brualdi*, University of Wisconsin, Madison
    (1074-05-53)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Quantum Groups and Representation Theory, III
  Room 111, Avery Hall
  Organizers:
  Jonathan Kujawa, University of Oklahoma kujawa@ou.edu
  Natasha Rozhkovskaya, Kansas State University
  

  • 2:30 p.m.
    Deformed Enveloping Algebras.
    Yorck Sommerhäuser*, University of South Alabama
    (1074-16-320)
  • 3:00 p.m.
    Tensor product varieties, perverse sheaves and stability conditions.
    Yiqiang Li*, SUNY, Buffalo
    (1074-16-27)
  • 3:30 p.m.
    Geometric approach to Hall algebra of representations of Quivers over local ring.
    Zhaobing Fan*, Kansas State University
    (1074-13-115)
  • 4:00 p.m.
    Crystal bases for the quantum queer superalgebra and semistandard decomposition tableaux.
    Dimitar Grantcharov*, University of Texas at Arlington
    Ji Hye Jung, Seoul National University
    Seok-Jin Kang, Seoul National University
    Masaki Kashiwara, Kyoto University
    Myungho Kim, Seoul National University
    (1074-17-139)
• Saturday October 15, 2011, 2:30 p.m.-4:15 p.m.
  Special Session on Recent Directions in Number Theory, II
  Room 106, Avery Hall
  Organizers:
  Alina Cojocaru, University of Illinois at Chicago
  Michael Zieve, University of Michigan zieve@umich.edu
  

  • 2:30 p.m.
    Binary theta series and modular forms with complex multiplication.
    Ernst Kani*, Queen's University at Kingston
    (1074-11-171)
  • 3:30 p.m.
    Automorphism groups of a family of maximal curves.
    Bob Guralnick, U. Southern California
    Beth Malmskog, Wesleyan
    Rachel Pries*, Colorado State University
    (1074-11-99)
• Saturday October 15, 2011, 2:30 p.m.-4:20 p.m.
  Special Session on Recent Progress in Operator Algebras, III
  Room 120, Burnett Hall
  Organizers:
  Allan P. Donsig, University of Nebraska-Lincoln adonsig1@unl.edu
  David R. Pitts, University of Nebraska-Lincoln
  

  • 2:30 p.m.
    Fuglede-Kadison determinants for operators in the von Neumann algebra of an equivalence relation.
    Catalin Georgescu, University of South Dakota
    Gabriel Picioroaga*, University of South Dakota
    (1074-47-47)
  • 3:00 p.m.
    Viewing tight inverse semigroup algebras as partial crossed products.
    David Milan*, The University of Texas at Tyler
    Benjamin Steinberg, Carleton University
    (1074-47-283)
  • 3:30 p.m.
    Second moments of unitaries in a II$_1$-factor.
    Kate Juschenko*, Texas A&M University
    Kenneth Dykema, Texas A&M University
    (1074-46-332)
  • 4:00 p.m.
    Contractive spectral triples for crossed products.
    Alan L. Paterson*, University of Colorado, Boulder, Colorado 80309
    (1074-46-81)
• Saturday October 15, 2011, 3:00 p.m.-4:25 p.m.
  Session for Contributed Papers
  Room 19, Avery Hall
  

  • 3:15 p.m.
    Analytical solution of Bessel differential equation.
    Ali Abd Albaghdadi*, Iraq-Baghdad
    (1074-34-28)
  • 3:45 p.m.
    The synchronization rate for exact $\epsilon$-machines.
    Nicholas F. Travers*, UC Davis
    James P. Crutchfield, UC Davis
    (1074-60-184)
  • 4:00 p.m.
    Effects of Pressure Stress Work and Viscous Dissipation in Mixed Convection Flow along a Vertical Flat Plate in Presence of Heat Generation.
    Md Abdus Samad Bhuiyan*, Brock University
    (1074-65-285)
  • 4:15 p.m.
    Perturbation theory for the approximation of stability spectra by QR methods for products of linear operators.
    Mohamed Badawy*, University of Kansas
    Erik S. Van Vleck, University of Kansas
    (1074-65-273)
• Saturday October 15, 2011, 4:40 p.m.-5:30 p.m.
  Erdős Memorial Lecture
  Recovering the unseen: Some recent advances in low-rank matrix reconstruction.
  Union Ballroom, Student Union Building
  Emmanuel Candes*, Stanford University
  (1074-49-04)
• Saturday October 15, 2011, 5:30 p.m.-6:30 p.m.
  Erd\Hos Reception
  Union Centennial Room, Student Union Building

Inquiries: meet@ams.org

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