AMS Sectional Meeting Full Program

Current as of Saturday, March 10, 2007 00:26:22

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

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2007 Spring Southeastern Section Meeting
Davidson, NC, March 3-4, 2007 (Saturday - Sunday)
Meeting #1024

Associate secretaries:
Matthew Miller, AMS miller@math.sc.edu

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Saturday March 3, 2007

• Saturday March 3, 2007, 7:30 a.m.-4:00 p.m.
  Meeting Registration
  Gallery, Chambers Building
• Saturday March 3, 2007, 7:30 a.m.-4:00 p.m.
  Exhibit and Book Sale
  Gallery, Chambers Building
• Saturday March 3, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Dynamical Systems, I
  Room 3187, Chambers Building
  Organizers:
  Emily B. Gamber, Santa Fe Institute
  Donna K. Molinek, Davidson College domolinek@davidson.edu
  James S. Wiseman, Agnes Scott College
  

  • 8:00 a.m.
    Subclasses of Limited Scope Adic Transformations.
    Sarah Bailey Frick*, The Ohio State University
    Karl Petersen, The University of North Carolina
    (1024-37-193)
  • 8:30 a.m.
    Modifying a branched surface to carry a foliation.
    Sandra L Shields*, College of Charleston
    (1024-54-144)
  • 9:00 a.m.
    Itineraries of rigid rotations.
    David S. Richeson*, Dickinson College
    Jim Wiseman, Agnes Scott College
    Paul Winkler, Dickinson College
    (1024-37-51)
  • 9:30 a.m.
    Dynamical properties of stochastic cellular automata.
    Jane Hawkins*, University of North Carolina at Chapel Hill
    Donna Molinek, Davidson College and University of N. Carolina at Chapel Hill
    (1024-37-102)
  • 10:00 a.m.
    Dynamics of the Nash Map.
    R Becker, Indiana University
    S Chakrabarti, Indiana University Purdue University Indianapolis
    W Geller, Indiana University Purdue University Indianapolis
    B Kitchens*, Indiana University Purdue University Indianapolis
    M Misiurewicz, Indiana University Purdue University Indianapolis
    (1024-37-197)
  • 10:30 a.m.
    Actions of Abelian-by-Cyclic Groups generated by Diffeomorphisms Close to the Identity.
    Anne E McCarthy*, Temple University
    (1024-37-119)
• Saturday March 3, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Computational and Combinatorial Aspects of Tiling and Substitutions, I
  Room 3106, Chambers Building
  Organizers:
  Chaim Goodman-Strauss, University of Arkansas strauss@uark.edu
  Casey Mann, University of Texas at Tyler
  Edmund O. Harriss, Queen Mary University of London
  

  • 8:00 a.m.
    Escherization.
    Craig S Kaplan*, University of Waterloo
    (1024-68-94)
  • 8:30 a.m.
    Spontaneous geometry via circle packing.
    Ken Stephenson*, University of Tennessee
    (1024-51-113)
  • 9:00 a.m.
    An approach to the diffraction of quasicrystallographic random tilings.
    C Richard*, University of Bielefeld, Germany
    (1024-43-172)
  • 9:30 a.m.
    Shape theory and substitution tiling spaces.
    Alex Clark*, University of North Texas
    John Hunton, University of Leicester
    Catherine Llewellyn-Jones, University of Leicester
    (1024-37-194)
  • 10:00 a.m.
    Algebraic Descriptions of Complex Geometric Shapes.
    Natasha Jonoska, University of South Florida
    Gregory McColm*, University of South Florida
    (1024-52-198)
  • 10:30 a.m.
    Recursive renewablity and primitive substitutiveness of rotation words.
    Shigeki Akiyama*, Niigata University
    (1024-11-167)
• Saturday March 3, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Geometric and Combinatorial Methods in Representation Theory, I
  Room 2187, Chambers Building
  Organizers:
  Brian Boe, University of Georgia
  William A. Graham, University of Georgia wag@math.uga.edu
  Kailash C. Misra, North Carolina State University
  

  • 8:00 a.m.
    Quantum Group Cohomology.
    Christopher P. Bendel*, University of Wisconsin-Stout
    Daniel K. Nakano, University of Georgia
    Brian J. Parshall, University of Virginia
    Cornelius Pillen, University of South Alabama
    (1024-20-64)
  • 8:30 a.m.
    Self-extensions for finite symplectic groups via algebraic groups.
    Cornelius Pillen*, University of South Alabama
    (1024-20-228)
  • 9:00 a.m.
    Representation type of blocks of Category $\mathcal{O}_S$.
    Kenyon J. Platt*, University of Georgia
    (1024-08-176)
  • 9:30 a.m.
    Cohomology of Category $\mathcal O$ for the Virasoro algebra.
    Brian Boe, University of Georgia
    Dan Nakano, University of Georgia
    Emilie Wiesner*, University of Georgia
    (1024-17-214)
  • 10:00 a.m.
    Dual combinatorics of clusters.
    Nathan Reading*, NC State University
    David E Speyer, University of Michigan
    (1024-05-186)
  • 10:30 a.m.
    Discussion.
• Saturday March 3, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Computational Group Theory, I
  Room 3084, Chambers Building
  Organizers:
  Arturo Magidin, University of Louisiana at Lafayette magidin@member.ams.org
  Luise Charlotte Kappe, Binghamton University
  Robert F. Morse, University of Evansville
  

  • 8:00 a.m.
    Applications of CGT to the theory of groups.
    Robert Fitzgerald Morse*, Department of Electrical Engineering and Computer Science, University of Evansville
    (1024-20-141)
  • 9:00 a.m.
    On the $p$-groups of maximal class (Preliminary report).
    Heiko Dietrich*, Technische Universitaet Braunschweig, Institut Computational Mathematics (Germany)
    Bettina Eick, Technische Universitaet Braunschweig, Institut Computational Mathematics (Germany)
    (1024-20-128)
  • 9:30 a.m.
    On the construction of CF pro-$p$-groups by coclass.
    Doerte Feichtenschlager*, Technische Universitaet Braunschweig
    Bettina Eick, Technische Universitaet Braunschweig
    (1024-20-41)
  • 10:00 a.m.
    Rewriting systems for a family of perfect groups.
    Jack Schmidt*, University of Kentucky
    (1024-20-130)
  • 10:30 a.m.
    Computing automorphism groups of general linear groups.
    Margret Soley Jonsdottir*, Colorado State University
    (1024-20-258)
• Saturday March 3, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Commutative Rings and Monoids, I
  Room 2164, Chambers Building
  Organizers:
  Evan G. Houston, University of North Carolina, Charlotte eghousto@email.uncc.edu
  Thomas G. Lucas, University of North Carolina, Charlotte tglucas@email.uncc.edu
  

  • 8:00 a.m.
    Generalizations of Prime Ideals.
    D. D. Anderson*, The University of Iowa
    Malik Bataineh, The University of Iowa
    (1024-13-11)
  • 8:30 a.m.
    The spectra of birational extensions of power series.
    A. Serpil Saydam*, University of Louisiana at Monroe
    (1024-13-126)
  • 9:00 a.m.
    Overrings of two-dimensional Noetherian domains representable by Noetherian spaces of valuation overrings.
    Bruce Olberding*, New Mexico State University
    (1024-13-161)
  • 9:30 a.m.
    Irreducibility in the total ring of quotients.
    Jay Shapiro*, George Mason University
    (1024-13-53)
  • 10:00 a.m.
    Weak Dimensions of Total Rings of Quotients.
    Sarah Glaz*, University of Connecticut
    (1024-13-151)
  • 10:30 a.m.
    Composites of minimal ring extensions.
    David E. Dobbs*, University of Tennessee, Knoxville
    Jay Shapiro, George Mason University
    (1024-13-132)
• Saturday March 3, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Commutative Algebra and Algebraic Geometry, I
  Room 2146, Chambers Building
  Organizers:
  Florian Enescu, Georgia State University
  Andrew R. Kustin, University of South Carolina
  Adela N. Vraciu, University of South Carolina vraciu@math.sc.edu
  

  • 8:00 a.m.
    On the degree two entry of a Gorenstein $h$-vector and a conjecture of Stanley.
    Juan Migliore, University of Notre Dame
    Uwe Nagel*, University of Kentucky
    Fabrizio Zanello, University of Notre Dame
    (1024-13-137)
  • 8:30 a.m.
    Codimension Four Gorenstein Hilbert functions of low initial degree.
    Juan C. Migliore*, University of Notre Dame
    Uwe Nagel, University of Kentucky
    Fabrizio Zanello, University of Notre Dame
    (1024-13-125)
  • 9:00 a.m.
    A Class of Gorenstein Artin Algebras of Embedding Dimension Four.
    Sabine El-Khoury*, University of Missouri
    Hema Srinivasan, University of Missouri
    (1024-13-120)
  • 9:30 a.m.
    A criterion for integral dependence of modules.
    Javid Validashti*, Purdue University
    Bernd Ulrich, Purdue University
    (1024-13-30)
  • 10:00 a.m.
    Rings with small Hilbert-Kunz multiplicity.
    Ian M Aberbach*, University of Missouri
    Florian Enescu, Georgia State University
    (1024-13-185)
  • 10:30 a.m.
    Second coefficients of Hilbert-Kunz functions for domains.
    Mel Hochster, University of Michigan
    Yongwei Yao*, Georgia State University
    (1024-13-103)
• Saturday March 3, 2007, 8:30 a.m.-10:50 a.m.
  Special Session on Applicable Algebra, I
  Room 2084, Chambers Building
  Organizers:
  Nigel Boston, University of South Carolina
  Hiren Maharaj, Clemson University hmahara@clemson.edu
  

  • 8:30 a.m.
    Automorphisms, isomorphisms, and algebraic geometry codes.
    Gretchen L. Matthews*, Clemson University
    (1024-14-169)
  • 9:00 a.m.
    Computation of Explicit Bases for a Class of Riemann-Roch Spaces.
    Wendy Dandurand*, Clemson University
    (1024-14-252)
  • 9:30 a.m.
    MDS or Near-MDS Self-Dual Codes.
    T. Aaron Gulliver, University of Victoria
    Jon-Lark Kim*, University of Louisville
    Yoonjin Lee, Simon Fraser University
    (1024-94-107)
  • 10:00 a.m.
    Implementing a Gradient Descent Decoding Algorithm for Block Codes.
    Robert A Liebler*, Colorado State University
    (1024-94-111)
  • 10:30 a.m.
    A Fast Fourier Transform on the Rook Monoid.
    Martin Malandro*, Dartmouth College
    Dan Rockmore, Dartmouth College
    (1024-20-22)
• Saturday March 3, 2007, 8:30 a.m.-10:50 a.m.
  Special Session on Representation Theory and Galois Cohomology in Number Theory, I
  Room 2130, Chambers Building
  Organizers:
  J\'an Min\'{a}\v{c}, University of Western Ontario minac@uwo.ca
  John R. Swallow, Davidson College joswallow@davidson.edu
  Chairs:
  Parimala Raman, Emory University
  

  • 8:30 a.m.
    Maximal Frattini quotients of $p$-Poincar\'e Mapping class groups.
    Michael D. Fried*, UC Irvine, MSU-Billings
    (1024-20-78)
  • 9:00 a.m.
    Tame pro-$p$-groups.
    John Labute*, McGill University
    (1024-06-109)
  • 9:30 a.m.
    Demushkin Galois groups and primary elements.
    Ido Efrat*, Ben-Gurion University of the Negev, Be'er-Sheva, Israel
    (1024-12-12)
  • 10:00 a.m.
    Galois Module Structure of Galois Cohomology and Applications.
    Nicole Lemire*, University of Western Ontario
    Jan Minac, University of Western Ontario
    John Swallow, Davidson College
    (1024-12-232)
  • 10:30 a.m.
    Etale Cohomology as Galois Modules.
    Andrew C Schultz*, Stanford University
    (1024-14-147)
• Saturday March 3, 2007, 8:30 a.m.-10:50 a.m.
  Special Session on Algebraic and Extremal Combinatorics, I
  Room 3068, Chambers Building
  Organizers:
  G\'abor Hetyei, University of North Carolina-Charlotte
  L\'aszl\'o A. Sz\'ekely, University of South Carolina szekely@math.sc.edu
  

  • 8:30 a.m.
    The maj-exc $q$-Eulerian Polynomials.
    John Shareshian, Washington University
    Michelle L. Wachs*, University of Miami
    (1024-05-247)
  • 9:00 a.m.
    $q$-Eulerian polynomials and the $q,t$-Catalan sequence.
    Jim Haglund*, University of Pennsylvania
    Mahir Can, University of Western Ontario
    (1024-05-215)
  • 9:30 a.m.
    Counting weighted simplicial spanning trees of shifted complexes.
    Art M. Duval*, University of Texas at El Paso
    Caroline J. Klivans, University of Chicago
    Jeremy L. Martin, University of Kansas
    (1024-05-191)
  • 10:00 a.m.
    Bijective Matrix Inversion.
    Nicholas A. Loehr*, College of William and Mary
    Anthony Mendes, California Polytechnic State University
    (1024-05-134)
  • 10:30 a.m.
    Counting tromino tilings and parity.
    Michael Reid*, University of Central Florida
    (1024-05-56)
• Saturday March 3, 2007, 8:30 a.m.-10:50 a.m.
  Special Session on Noncommutative Algebra, I
  Room 2198, Chambers Building
  Organizers:
  Ellen E. Kirkman, Wake Forest University kirkman@wfu.edu
  James J. Kuzmanovich, Wake Forest University
  James Zhang, University of Washington
  

  • 8:30 a.m.
    On deformation theory of associative algebras and graph homology.
    Fusun Akman*, Illinois State University
    (1024-18-13)
  • 9:00 a.m.
    Point Modules over a $\mathbb{Z}^2$-graded quantum $\mathbb{P}^3$.
    Pete Goetz*, Humboldt State University
    (1024-16-199)
  • 9:30 a.m.
    Noetherianity and Ext.
    Edward L Green*, Virginia Tech
    Nicole Snashall, Univesity of Leicester, UK
    Oeyvind Solberg, NTNU, Norway
    Dan Zacharia, Syracuse University
    (1024-16-233)
  • 10:00 a.m.
    Absolute, Gorenstein, and Tate torsion modules.
    Alina C. Iacob*, University of North Carolina Wilmington
    (1024-18-26)
  • 10:30 a.m.
    Brauer-Severi Varieties over Surfaces.
    Colin J Ingalls*, University of New Brunswick
    (1024-16-225)
• Saturday March 3, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Microlocal Analysis and Partial Differential Equations (in Honor of Michael E. Taylor's 60th Birthday), I
  Room 3234, Chambers Building
  Organizers:
  Anna L. Mazzucato, Pennsylvania State University alm24@psu.edu
  Martin Dindos, University of Edinburgh
  

  • 9:00 a.m.
    On Taylor's work on PDE's with minimal smoothness assumptions.
    Marius S. Mitrea*, University of Missouri
    (1024-35-266)
  • 9:30 a.m.
    $L^p$ Dirichlet problem for elliptic operators with rough coefficients.
    Martin Dindos*, University of Edinburgh
    (1024-35-267)
  • 10:00 a.m.
    Generalized Laplacians on quasi-asymptotically conic spaces.
    Rafe Mazzeo*, Stanford University
    (1024-58-209)
  • 10:30 a.m.
    Gerneralized Differentiation and BiLipschitz Nonembedding.
    Jeff Cheeger*, Courant Institute, NYU
    (1024-53-182)
• Saturday March 3, 2007, 9:30 a.m.-10:50 a.m.
  Special Session on Between Harmonic Analysis, Number Theory, and Combinatorics, I
  Room 3198, Chambers Building
  Organizers:
  Alex Iosevich, University of Missouri-Columbia
  Michael T. Lacey, Georgia Institute of Technology lacey@math.gatech.edu
  Konstantin Oskolkov, University of South Carolina
  

  • 9:30 a.m.
    Collinear triple hypergraphs and the finite plane Kakeya Problem.
    Joshua N Cooper*, University of South Carolina
    (1024-11-17)
  • 10:00 a.m.
    Estimates of the Discrepancy Function in Orlicz spaces close to $L^1$.
    Michael T Lacey*, Georgia Tech
    (1024-11-18)
  • 10:30 a.m.
    The Small Ball Inequality and the Discrepancy Function in three dimensions.
    Dmitriy Bilyk*, Georgia Institute of Technology
    Michael Lacey, Georgia Institute of Technology
    (1024-42-163)
• Saturday March 3, 2007, 9:30 a.m.-10:50 a.m.
  Special Session on Stochastic Analysis and Applications, I
  Room 3209, Chambers Building
  Organizers:
  Armando Arcini\'ega, University of Texas at San Antonio armando.arciniega@utsa.edu
  

  • 9:30 a.m.
    Stochastic Modeling of Dynamic Processes in Biological and Medical Sciences.
    Gan S Ladde*, The University of Texas at Arlington/University of South Florida, Tampa
    (1024-92-179)
  • 10:00 a.m.
    Noise-induced wave propagation in weakly connected network and stochastic convergence.
    M M Rahman*, University of North Florida
    (1024-92-264)
  • 10:30 a.m.
    Stability and Convergence results of delay iterative processes under stochastic switching.
    Gangaram S Ladde, The University of Texas at Arlington
    Sivapragasam Sathananthan*, Tennessee State University
    (1024-60-65)
• Saturday March 3, 2007, 11:10 a.m.-12:00 p.m.
  Invited Address
  Eigenvalue problem for Hermitian matrices and its generalization to arbitrary reductive groups.
  Hance Auditorium, 4th Floor, Chambers Building
  Shrawan Kumar*, University of North Carolina
  (1024-22-01)
• Saturday March 3, 2007, 1:50 p.m.-2:40 p.m.
  Invited Address
  Novel applications of algebra to engineering.
  Hance Auditorium, 4th Floor, Chambers Building
  Nigel Boston*, University of South Carolina
  (1024-94-05)
• Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Dynamical Systems, II
  Room 3187, Chambers Building
  Organizers:
  Emily B. Gamber, Santa Fe Institute
  Donna K. Molinek, Davidson College domolinek@davidson.edu
  James S. Wiseman, Agnes Scott College
  

  • 3:00 p.m.
    Families of ergodic and exact one-dimensional maps.
    Julia A Barnes*, Western Carolina University
    Jane M Hawkins, University of North Carolina at Chapel Hill
    (1024-37-104)
  • 3:30 p.m.
    Dynamics of a 3-Circle Inversion Map.
    Daniel M. Look*, Indiana University of Pennsylvania
    (1024-37-164)
  • 4:00 p.m.
    Stuttering in the Planar Three-Body Problem.
    Samuel R Kaplan*, University of North Carolina, Asheville
    Richard Montgomery, University of California, Santa Cruz
    Mark Levi, Penn State
    (1024-37-98)
  • 4:30 p.m.
    Computational tools for measuring topological entropy.
    Sarah Day*, College of William and Mary
    Rafael Frongillo, Cornell University
    Rodrigo Trevino, University of Texas at Austin
    (1024-37-95)
  • 5:00 p.m.
    Projectional Entropy in Higher Dimensional Shifts of Finite Type.
    Kathleen Madden*, Drew University
    Aimee Johnson, Swarthmore College
    Steve Kass, Drew University
    (1024-37-57)
  • 5:30 p.m.
    Some unsolved problems on random ergodic averages.
    M\'at\'e Wierdl*, The University of Memphis
    (1024-37-158)
• Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Microlocal Analysis and Partial Differential Equations (in Honor of Michael E. Taylor's 60th Birthday), II
  Room 3234, Chambers Building
  Organizers:
  Anna L. Mazzucato, Pennsylvania State University alm24@psu.edu
  Martin Dindos, University of Edinburgh
  

  • 3:00 p.m.
    Failure and asymptotic failure of the Poincare lemma.
    C. Denson Hill*, Stony Brook University
    (1024-35-61)
  • 3:30 p.m.
    Reflection and diffraction of singularities.
    Richard B. Melrose*, Massachusetts Institute of Technology
    (1024-35-190)
  • 4:00 p.m.
    Some remarks about Frechet algebras of singular integral operators.
    Heinz O Cordes*, Department of Mathematics, University of California, Berkeley
    (1024-47-155)
  • 4:30 p.m.
    Mean value theorems on Riemannian manifolds.
    Mark A Pinsky*, Northwestern University
    (1024-58-15)
  • 5:00 p.m.
    Boundary value problems for Einstein metrics.
    Michael T. Anderson*, SUNY Stony Brook
    (1024-58-145)
  • 5:30 p.m.
    Estimates for Finite Difference Approximations to Problems with Interfaces.
    J. Thomas Beale*, Duke University
    (1024-65-67)
• Saturday March 3, 2007, 3:00 p.m.-5:20 p.m.
  Special Session on Applicable Algebra, II
  Room 2084, Chambers Building
  Organizers:
  Nigel Boston, University of South Carolina
  Hiren Maharaj, Clemson University hmahara@clemson.edu
  

  • 3:00 p.m.
    Fidelity of Quantum Coded Measurement.
    Alexei Ashikhmin*, Bell Labs/Alcatel-Lucent
    (1024-81-260)
  • 3:30 p.m.
    Boolean Functions, Projection Operators and Quantum Error Correcting Codes.
    Vaneet Aggarwal, Princeton University
    Robert Calderbank*, Princeton University
    (1024-81-217)
  • 4:00 p.m.
    On the Use of Division Algebras for Wireless Communication.
    Frederique Oggier*, California Institute of Technology
    (1024-94-157)
  • 4:30 p.m.
    Twisted cyclic division algebras and space-time codes.
    David R Grant*, University of Colorado at Boulder
    Mahesh K Varanasi, University of Colorado at Boulder
    (1024-94-189)
  • 5:00 p.m.
    Beyond semi-rings: sum-product algorithm over rings.
    Pascal O. Vontobel*, Hewlett-Packard Laboratories
    (1024-94-255)
• Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Recent Applications of Numerical Linear Algebra
  Room 2209, Chambers Building
  Organizers:
  Timothy P. Chartier, Davidson College tichartier@davidson.edu
  Amy Langville, College of Charleston
  

  • 3:00 p.m.
    Tensor Analysis of Spectral Images.
    Robert J Plemmons*, Wake Forest University
    Peter Zhang, Wake Forest University School of Medicine
    Han Wang, Wake Forest University
    Paul Pauca, Wake Forest University
    (1024-65-69)
  • 3:30 p.m.
    Applying theory of Markov Chains to the problem of sports ranking.
    Anjela Y Govan*, North Carolina State University
    Carl D Meyer, North Carolina State University
    (1024-15-192)
  • 4:00 p.m.
    The Stewart Eigenvector: A New Method to Cluster Asymmetric Matrices.
    Barbara E. Ball*, College of Charleston
    Clare J. Rodgers, College of Charleston
    (1024-15-202)
  • 4:30 p.m.
    Implicit Adaptive Mesh Refinement for Reduced Resistive Magnetohydrodynamics.
    Bobby Philip*, Los Alamos National Laboratory
    Michael Pernice, Idaho National Laboratory
    Luis Chacon, Los Alamos National Laboratory
    (1024-65-230)
  • 5:00 p.m.
    Multigrid Methods for Systems of PDEs.
    Jim E. Jones*, Florida Institue of Technology
    (1024-65-234)
  • 5:30 p.m.
    The Kronecker product in efficient imaging systems.
    Nikos P. Pitsianis*, Dept. of Electrical and Computer Engineering and Computer Science, Duke University
    (1024-15-262)
• Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Computational and Combinatorial Aspects of Tiling and Substitutions, II
  Room 3106, Chambers Building
  Organizers:
  Chaim Goodman-Strauss, University of Arkansas strauss@uark.edu
  Casey Mann, University of Texas at Tyler
  Edmund O. Harriss, Queen Mary University of London
  

  • 3:00 p.m.
    Rigidity in one-dimensional substitution tiling spaces.
    Marcy M Barge*, Montana State University
    Richard C Swanson, Montana State University
    (1024-37-92)
  • 3:30 p.m.
    Mixing properties of substitutive sequences and proximality.
    Brian F Martensen*, Minnesota State University
    (1024-37-249)
  • 4:00 p.m.
    Cohomology and the spectrum in 1-dimensional tiling systems.
    Tetyana I. Andress, The George Washington University
    E. Arthur Robinson*, The George Washington University
    (1024-37-237)
  • 4:30 p.m.
    Discussion.
  • 5:00 p.m.
    One-dimensional substitution tilings with an interval projection structure.
    Edmund O. Harriss, Imperial College London, UK
    Jeroen S.W. Lamb*, Imperial College London
    (1024-52-162)
  • 5:30 p.m.
    Aspects of the Penrose Tiling.
    Edmund Harriss*, Imperial College London, UK
    (1024-00-40)
• Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Between Harmonic Analysis, Number Theory, and Combinatorics, II
  Room 3198, Chambers Building
  Organizers:
  Alex Iosevich, University of Missouri-Columbia
  Michael T. Lacey, Georgia Institute of Technology lacey@math.gatech.edu
  Konstantin Oskolkov, University of South Carolina
  

  • 3:00 p.m.
    Orthogonality of bilinear multiplier operators.
    Geoff Diestel*, University of South Carolina
    Loukas Grafakos, University of Missouri
    (1024-42-37)
  • 3:30 p.m.
    Covering the plane by rotations of a lattice arrangement of disks.
    Alex Iosevich, Univ. of Missouri at Columbia
    Mihail N Kolountzakis*, Georgia Tech / Univ. of Crete, Greece
    Mate Matolcsi, Renyi Institute, Hungary
    (1024-42-71)
  • 4:00 p.m.
    Time decay of quantum waves on Riemannian manifolds: Recent development.
    Shijun Zheng*, University of South Carolina
    (1024-35-81)
  • 4:30 p.m.
    Growth of $L^p$ Lebesgue constants for convex polyhedra and other regions.
    Marshall Ash, DePaul University
    Laura De Carli*, Florida International University
    (1024-42-136)
  • 5:00 p.m.
    Level curves of harmonic functions.
    Steve M Hudson*, Florida International University
    Laura De Carli, Florida International University
    (1024-42-226)
  • 5:30 p.m.
    Polyhdral theta functions and an extension of solid angles using Polyhedral Gauss sums.
    Sinai Robins*, Temple University
    (1024-05-23)
• Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Geometric and Combinatorial Methods in Representation Theory, II
  Room 2187, Chambers Building
  Organizers:
  Brian Boe, University of Georgia
  William A. Graham, University of Georgia wag@math.uga.edu
  Kailash C. Misra, North Carolina State University
  

  • 3:00 p.m.
    Cohomology of Cotangent Bundles of Flag Varieties and the BK-Filtration.
    Charles S. Hague*, University of North Carolina - Chapel Hill
    Shrawan Kumar, University of North Carolina - Chapel Hill
    (1024-22-148)
  • 3:30 p.m.
    Geometric Proof of a Conjecture of Fulton and generalizations.
    Prakash Belkale*, University of North Carolina, Chapel Hill.
    (1024-14-127)
  • 4:00 p.m.
    Poisson geometry of the Grothendieck resolution for a complex group.
    Sam Evens*, University of Notre Dame
    Jiang-Hua Lu, Hong Kong University
    (1024-22-248)
  • 4:30 p.m.
    The B. and M. Shapiro conjecture in real algebraic geometry and Bethe ansatz.
    Alexander Varchenko*, UNC
    (1024-14-259)
  • 5:00 p.m.
    Recent developments in the theory of quiver varieties.
    Alistair Savage*, University of Ottawa
    (1024-17-231)
  • 5:30 p.m.
    Quiver Varieties and Level-Rank Duality.
    Anthony Licata*, Yale University
    (1024-08-263)
• Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Computational Group Theory, II
  Room 3084, Chambers Building
  Organizers:
  Arturo Magidin, University of Louisiana at Lafayette magidin@member.ams.org
  Luise Charlotte Kappe, Binghamton University
  Robert F. Morse, University of Evansville
  

  • 3:00 p.m.
    Some computational group cohomology.
    Graham Ellis*, National University of Ireland, Galway
    (1024-20-83)
  • 4:00 p.m.
    Using GAP to construct metablian p-groups and working with them.
    Dave Garrison*, Lockheed Martin
    (1024-20-106)
  • 4:30 p.m.
    Character tables of $p$-groups.
    Adriana Nenciu*, University of Wisconsin - Madison
    (1024-20-159)
  • 5:00 p.m.
    An algorithm for computing the nonabelian tensor squares of polycyclic groups.
    Russell D. Blyth*, Saint Louis University
    Robert Fitzgerald Morse, University of Evansville
    (1024-20-80)
  • 5:30 p.m.
    The exponents of nonabelian tensor products of groups.
    Primoz Moravec*, IMFM, Slovenia, and University of Evansville, USA
    (1024-20-121)
• Saturday March 3, 2007, 3:00 p.m.-5:20 p.m.
  Special Session on Representation Theory and Galois Cohomology in Number Theory, II
  Room 2130, Chambers Building
  Organizers:
  J\'an Min\'{a}\v{c}, University of Western Ontario minac@uwo.ca
  John R. Swallow, Davidson College joswallow@davidson.edu
  Chairs:
  David Leep, University of Kentucky
  

  • 3:00 p.m.
    On the p-adic birational section Conjecture.
    Florian Pop*, University of Pennsylvania, Philadelphia, PA
    (1024-11-261)
  • 3:30 p.m.
    Zero cycles of degree one versus rational points.
    Parimala Raman*, Emory University
    (1024-11-265)
  • 4:00 p.m.
    Division algebras and regular local rings.
    David J Saltman*, University of Texas at Austin
    (1024-16-143)
  • 4:30 p.m.
    Relative Brauer groups of genus $1$ curves.
    Mirela Ciperiani, Columbia University
    Daniel Krashen*, Yale University
    (1024-12-243)
  • 5:00 p.m.
    Brauer index reduction via stable twisted sheaves.
    Daniel Krashen, Yale University
    Max Lieblich*, Princeton University
    (1024-14-222)
• Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Commutative Rings and Monoids, II
  Room 2164, Chambers Building
  Organizers:
  Evan G. Houston, University of North Carolina, Charlotte eghousto@email.uncc.edu
  Thomas G. Lucas, University of North Carolina, Charlotte tglucas@email.uncc.edu
  

  • 3:00 p.m.
    On the $\Delta$-set of a singular arithmetical congruence monoid.
    Scott T. Chapman*, Trinity University
    Paul Baginski, University of California at Berkeley
    George Schaeffer, Carnegie Mellon University
    (1024-20-124)
  • 3:30 p.m.
    Monoids of modules over one-dimensional local rings.
    W. Hassler, Karl-Franzens-Universitaet Graz
    R. Karr, Florida Atlantic University
    L. Klingler, Florida Atlantic University
    R. Wiegand*, University of Nebraska
    (1024-13-117)
  • 4:00 p.m.
    Indecomposable Modules of Large Rank over Cohen-Macaulay Rings.
    Andrew M. Crabbe*, University of Nebraska - Lincoln
    (1024-13-251)
  • 4:30 p.m.
    Jonsson Modules over Commutative Rings.
    Greg G Oman*, Ohio State
    (1024-13-206)
  • 5:00 p.m.
    On $\ast $-completely integrally closed domains and their generalizations.
    David F Anderson, University of Tennessee, Knoxville, TN
    Muhammad Zafrullah*, Pocatello, Idaho
    (1024-13-140)
  • 5:30 p.m.
    A generalization of the notion of grade of a commutative domain.
    K Alan Loper*, Ohio State University
    (1024-13-184)
• Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Commutative Algebra and Algebraic Geometry, II
  Room 2146, Chambers Building
  Organizers:
  Florian Enescu, Georgia State University
  Andrew R. Kustin, University of South Carolina
  Adela N. Vraciu, University of South Carolina vraciu@math.sc.edu
  

  • 3:00 p.m.
    A Riemann-Roch formula for the blow-up of a nonsingular affine scheme.
    Chin-Yi Jean Chan, Purdue University
    Claudia Miller*, Syracuse University
    (1024-13-96)
  • 3:30 p.m.
    On the Musta\c{t}\v{a}-Takagi Summation Theorem for Multiplier Ideals.
    Shin-Yao Jow*, University of Michigan
    (1024-14-154)
  • 4:00 p.m.
    Combinatorial topology of matroids and free resolutions of multigraded modules.
    Amanda I Beecher*, University at Albany, SUNY
    (1024-13-91)
  • 4:30 p.m.
    Multiplier ideals of hyperplane arrangements.
    Zach Teitler*, Southeastern Louisiana University
    (1024-14-220)
  • 5:00 p.m.
    The localization property for varieties having F-rational singularities.
    Kazuma Shimomoto*, University of Minnesota
    (1024-13-72)
  • 5:30 p.m.
    Characterizations of Regular Local Rings in Positive Characteristics.
    Jinjia Li*, Syracuse University
    (1024-13-108)
• Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Algebraic and Extremal Combinatorics, II
  Room 3068, Chambers Building
  Organizers:
  G\'abor Hetyei, University of North Carolina-Charlotte
  L\'aszl\'o A. Sz\'ekely, University of South Carolina szekely@math.sc.edu
  

  • 3:00 p.m.
    Color critical hypergraphs and forbidden configurations.
    R Anstee, The University of British Columbia
    B Fleming, The University of British Columbia
    Z Furedi*, University of Illinois at Urbana-Champaign
    A Sali, Renyi Institute of Mathematics
    (1024-05-208)
  • 3:30 p.m.
    Random Mixed Hypergraphs and Upper Chromatic Number.
    Michael J Pelsmajer*, Illinois Institute of Technology
    Jozef Skokan, London School of Economics
    (1024-05-227)
  • 4:00 p.m.
    Almost All Permutations Have a Unique Longest Cycle.
    Miklos Bona*, University of Florida
    Arnold Knopfmacher, University of Witwatersrand, Johannesburg, South Africa
    (1024-05-47)
  • 4:30 p.m.
    The Wiener index of trees with given degree sequence.
    Hua Wang*, University of Florida
    (1024-05-38)
  • 5:00 p.m.
    Maximum directed cuts in digraphs with degree restriction.
    Jen\H{o} Lehel*, The University of Memphis
    Fr\'ed\'eric Maffray, CNRS Laboratoire Leibniz-IMAG, France
    Myriam Preissmann, CNRS Laboratoire Leibniz-IMAG, France
    (1024-05-100)
  • 5:30 p.m.
    Triangle-free subcubic graphs with minimum bipartite density.
    Baogang Xu, Nanjing Normal University
    Xingxing Yu*, Georgia Institute of Technology
    (1024-05-174)
• Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Noncommutative Algebra, II
  Room 2198, Chambers Building
  Organizers:
  Ellen E. Kirkman, Wake Forest University kirkman@wfu.edu
  James J. Kuzmanovich, Wake Forest University
  James Zhang, University of Washington
  

  • 3:00 p.m.
    Drinfeld realization for quantum affine algebras.
    Naihuan Jing*, North Carolina State University
    (1024-16-257)
  • 3:30 p.m.
    Deformation Quantization of Schemes.
    Frederick Carl Leitner*, Ben Gurion University
    (1024-16-59)
  • 4:00 p.m.
    Koszul superalgebras.
    Martin Lorenz*, Temple University
    (1024-16-180)
  • 4:30 p.m.
    Extending derivations of commutative rings to noncommutative rings.
    K. Retert*, University of Dallas
    (1024-16-181)
  • 5:00 p.m.
    PBW deformations of graded algebras, Part I.
    Tom Cassidy*, Bucknell University
    Brad Shelton, University of Oregon
    (1024-16-105)
  • 5:30 p.m.
    PBW deformations of graded algebras part II.
    Brad Shelton*, University of Oregon
    Thomas Cassidy, Bucknell University
    (1024-16-223)
• Saturday March 3, 2007, 3:00 p.m.-5:20 p.m.
  Special Session on Stochastic Analysis and Applications, II
  Room 3209, Chambers Building
  Organizers:
  Armando Arcini\'ega, University of Texas at San Antonio armando.arciniega@utsa.edu
  

  • 3:00 p.m.
    P-th Moment Stability for Ito-Type Parabolic Differential Equations.
    Mahmoud J. Anabtawi*, American University of Sharjah
    S. Sathananthan, Tennessee State University
    (1024-35-66)
  • 3:30 p.m.
    Stochastic perturbation of parabolic law optical solitons.
    Anjan Biswas*, Delaware State University
    (1024-78-116)
  • 4:00 p.m.
    Differential Geometric Properties of Brownian Motion in the Neighborhood of a Submanifold.
    Martin Ngu Ndumu*, University of Maryland Eastern Shore
    (1024-58-14)
  • 4:30 p.m.
    Smooth Measures as Solutions of Kolmogorov's Equations in Hilbert Space.
    Fariborz Asadian*, Fort Valley State University
    (1024-60-240)
  • 5:00 p.m.
    Shooting Methods for Numerical Solution of Nonlinear Stochastic Bourdary-Value Problems.
    Armando Arciniega*, The University of Texas at San Antonio
    (1024-60-88)
• Saturday March 3, 2007, 3:00 p.m.-5:25 p.m.
  Contributed Papers Session
  Room 3196, Chambers Building
  

  • 3:00 p.m.
    Invariant for Minimal Surfaces in $S^3$.
    Rodrigo R Montes*, Washington University in Saint Louis
    (1024-53-10)
  • 3:15 p.m.
    On the Value Function for an Optimal Control Problem.
    Jesus A. Pascal*, ABTI-American University of Nigeria
    (1024-49-24)
  • 3:30 p.m.
    Properties of Regular Polygon Rings.
    W. Michael Gentry*, Mary Baldwin College, Staunton, Va.
    (1024-97-149)
  • 3:45 p.m.
    Symplectic discretization of ODEs using the geometry of time.
    Jeffrey K. Lawson*, Western Carolina University
    (1024-34-201)
  • 4:00 p.m.
    Archimedean Orders on Certain Ring of Invariants.
    Mohammed Tesemma, Spelman College
    Haohao Wang*, Southeast Missouri State University
    (1024-13-33)
  • 4:15 p.m.
    Amorphic association schemes.
    Jianmin Ma*, Oxford College of Emory University
    (1024-05-84)
  • 4:30 p.m.
    Generalized Mobius Inversions Involving Selberg-Multiplicative Functions.
    Fangjun Arroyo*, Francis Marion University
    Edward Arroyo, Francis Marion University
    (1024-05-39)
  • 4:45 p.m.
    Sign changes in sums of the Liouville function.
    Michael J. Mossinghoff*, Davidson College
    Peter Borwein, Simon Fraser University
    Ron Ferguson, Simon Fraser University
    (1024-11-101)
  • 5:00 p.m.
    On the diophantine equation: $A^2 + B^4 + C^4 = D^8$.
    Susil Kumar Jena*, KIIT University, Bhubaneswar, India
    (1024-11-216)
  • 5:15 p.m.
    Local Types of Modules and Indecomposable Modules.
    Soon-Sook Bae*, Kyungnam University, MASAN, Republic of Korea (South Korea)
    (1024-16-20)
• Saturday March 3, 2007, 6:00 p.m.-7:00 p.m.
  Erd\H os Memorial Lecture
  Erd\H os's dream and pretentious characters.
  Auditorium, Duke Performance Hall
  Andrew J. Granville*, University of Montreal
  (1024-11-04)
• Saturday March 3, 2007, 7:00 p.m.-7:45 p.m.
  Davidson College Department of Mathematics Reception
  First Floor, Knobloch Campus Center (just outside the performance hall)

Sunday March 4, 2007

• Sunday March 4, 2007, 8:00 a.m.-12:00 p.m.
  Meeting Registration
  Gallery, Chambers Building
• Sunday March 4, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Dynamical Systems, III
  Room 3187, Chambers Building
  Organizers:
  Emily B. Gamber, Santa Fe Institute
  Donna K. Molinek, Davidson College domolinek@davidson.edu
  James S. Wiseman, Agnes Scott College
  

  • 8:00 a.m.
    Rational Maps without Certain Periodic Points.
    Rika Hagihara*, University of North Carolina at Chapel Hill
    (1024-37-135)
  • 8:30 a.m.
    The topology of hyperbolic attractors on surfaces.
    Todd Fisher*, University of Maryland
    (1024-37-44)
  • 9:00 a.m.
    A class of higher dimensional shifts of finite type which factors onto full shifts.
    Angela V. Desai*, University of Montevallo
    (1024-37-238)
  • 9:30 a.m.
    A classification of explosions.
    Evelyn Sander*, George Mason University
    James A. Yorke, University of Maryland
    (1024-37-31)
  • 10:00 a.m.
    Cohomology in one-dimensional substitution tiling spaces.
    Marcy Barge, Montana State University
    Beverly Diamond*, College of Charleston
    (1024-55-45)
  • 10:30 a.m.
    Shift dynamics near T-point heteroclinic cycles.
    Jeroen S.W. Lamb*, Imperial College London, UK
    (1024-34-175)
• Sunday March 4, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Computational and Combinatorial Aspects of Tiling and Substitutions, III
  Room 3106, Chambers Building
  Organizers:
  Chaim Goodman-Strauss, University of Arkansas strauss@uark.edu
  Casey Mann, University of Texas at Tyler
  Edmund O. Harriss, Queen Mary University of London
  

  • 8:00 a.m.
    Classification of Mnohedral 2-isohedral Tilings.
    John Berglund*, Winnetka Learning Center, New Hope, MN
    (1024-52-79)
  • 8:30 a.m.
    Hexagonal parquet tilings and $k$-isohedral monotiles.
    Joshua E. S. Socolar*, Physics Department and Center for Nonlinear and Complex Systems, Duke University
    (1024-00-28)
  • 9:00 a.m.
    Heesch numbers of polyforms with marked edges.
    Casey Mann*, The University of Texas at Tyler
    Bobby Thomas, The University of Texas at Tyler
    (1024-52-43)
  • 9:30 a.m.
    Aperiodc Archimedean Tilings.
    Nathan D Wetzler*, University of Arkansas at Fayetteville
    (1024-05-196)
  • 10:00 a.m.
    About two tilings of the hyperbolic plane.
    Maurice Margenstern*, Universit\'e Paul Verlaine - Metz, LITA, EA 3097
    (1024-05-76)
  • 10:30 a.m.
    A new undecidability proof for the tiling problem: The tiling problem is undecidable both in the Euclidean and in the hyperbolic plane.
    Jarkko Kari*, University of Turku, Finland
    (1024-68-75)
• Sunday March 4, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Geometric and Combinatorial Methods in Representation Theory, III
  Room 2187, Chambers Building
  Organizers:
  Brian Boe, University of Georgia
  William A. Graham, University of Georgia wag@math.uga.edu
  Kailash C. Misra, North Carolina State University
  

  • 8:00 a.m.
    On Kostant's Theorem for Lie Algebra Cohomology.
    Daniel K. Nakano*, University of Georgia
    (1024-20-166)
  • 8:30 a.m.
    Dual graded graphs for Kac-Moody algebras.
    Thomas Lam, Harvard University
    Mark Shimozono*, Virginia Polytechnic Institute and State University
    (1024-05-63)
  • 9:00 a.m.
    Column removal in characteristic p.
    Monica J Vazirani*, UC Davis
    (1024-05-170)
  • 9:30 a.m.
    'Signed' Representations of the Symmetric Group.
    David Hemmer, University of Toledo
    Jonathan Kujawa*, University of Georgia
    (1024-20-213)
  • 10:00 a.m.
    Macdonald Difference Operators and Harish-Chandra Series.
    Gail Letzter*, Department of Defense
    Jasper V Stokman, University of Amsterdam
    (1024-17-139)
  • 10:30 a.m.
    A new perspective on the Frenkel-Zhu fusion rule theorem.
    Alex J. Feingold*, State University of New York, Binghamton, NY
    (1024-16-150)
• Sunday March 4, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Computational Group Theory, III
  Room 3084, Chambers Building
  Organizers:
  Arturo Magidin, University of Louisiana at Lafayette magidin@member.ams.org
  Luise Charlotte Kappe, Binghamton University
  Robert F. Morse, University of Evansville
  

  • 8:00 a.m.
    Normalizer Calculations in Permutation Groups --- Theme and Variations.
    Alexander J Hulpke*, Colorado State University
    (1024-20-129)
  • 9:00 a.m.
    Orbit equivalent permutation groups.
    \'Akos Seress*, The Ohio State University
    Keyan Yang, The Ohio State University, Department of Mathematics
    (1024-20-203)
  • 9:30 a.m.
    A classification of certain maximal subgroups of symmetric groups.
    Bret Jordan Benesh*, Harvard University
    Benjamin Newton, Beloit College
    (1024-20-29)
  • 10:00 a.m.
    On simple groups as the union of proper subgroups.
    Luise-Charlotte Kappe, SUNY at Binghamton
    Joanne L Redden*, SUNY College at Cortland
    (1024-20-58)
  • 10:30 a.m.
    The norm map between the Hecke algebras of the Gelfand-Graev representations of finite groups of Lie type.
    Julianne G. Rainbolt*, Saint Louis University
    (1024-20-221)
• Sunday March 4, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Commutative Rings and Monoids, III
  Room 2164, Chambers Building
  Organizers:
  Evan G. Houston, University of North Carolina, Charlotte eghousto@email.uncc.edu
  Thomas G. Lucas, University of North Carolina, Charlotte tglucas@email.uncc.edu
  

  • 8:00 a.m.
    Irreducible Divisor Graphs in Commutative Rings with Zero Divisors.
    Michael C. Axtell, Wabash College
    Joe A. Stickles, Jr.*, Millikin University
    (1024-13-142)
  • 8:30 a.m.
    Homology on Irreducible Divisor Graphs.
    Jack Maney*, The University of South Dakota
    (1024-13-160)
  • 9:00 a.m.
    The zero-divisor graph of a commutative ring.
    David F. Anderson*, University of Tennessee
    (1024-13-73)
  • 9:30 a.m.
    The Zero-Divisor Graph of a Maximal Ring of Quotients.
    John D. LaGrange*, The University of Tennessee
    (1024-13-54)
  • 10:00 a.m.
    Sums of 2 units and almost diagonal matrices.
    Peter Vamos, University of Exeter
    Sylvia M Wiegand*, University of Nebraska Lincoln
    (1024-13-118)
  • 10:30 a.m.
    Integral extensions of Clifford regular domains.
    Lucian F Sega*, West Lafayette, IN
    (1024-13-207)
• Sunday March 4, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Commutative Algebra and Algebraic Geometry, III
  Room 2146, Chambers Building
  Organizers:
  Florian Enescu, Georgia State University
  Andrew R. Kustin, University of South Carolina
  Adela N. Vraciu, University of South Carolina vraciu@math.sc.edu
  

  • 8:00 a.m.
    Ext-vanishing and ascent of module structures.
    Anders J. Frankild, University of Copenhagen
    Sean Sather-Wagstaff*, Kent State University
    Roger A. Wiegand, University of Nebraska-Lincoln
    (1024-13-210)
  • 8:30 a.m.
    Modules with prescribed cohomological support.
    Luchezar L. Avramov*, University of Nebraska
    Srikanth Iyengar, University of Nebraska
    (1024-13-204)
  • 9:00 a.m.
    Modules with linear resolution.
    Liana M Sega*, University of Missouri Kansas City
    (1024-13-244)
  • 9:30 a.m.
    The failure of tameness of local cohomology.
    Steven Dale Cutkosky*, University of Missouri
    Juergen Herzog, University of Essen
    (1024-13-168)
  • 10:00 a.m.
    Homological aspects of modules over complete intersections.
    David A. Jorgensen*, University of Texas at Arlington
    (1024-13-138)
  • 10:30 a.m.
    A necessary condition for the vanishing of some local cohomology in complete regular local rings.
    Gennady Lyubeznik*, University of Minnesota
    (1024-13-77)
• Sunday March 4, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Algebraic and Extremal Combinatorics, III
  Room 3068, Chambers Building
  Organizers:
  G\'abor Hetyei, University of North Carolina-Charlotte
  L\'aszl\'o A. Sz\'ekely, University of South Carolina szekely@math.sc.edu
  

  • 8:00 a.m.
    Irreducible circuits and Coxeter arrangements.
    John R Stembridge*, University of Michigan
    (1024-05-50)
  • 8:30 a.m.
    Toric arrangements.
    Richard Ehrenborg*, University of Kentucky
    Margaret Readdy, University of Kentucky
    Michael Slone, University of Kentucky
    (1024-05-212)
  • 9:00 a.m.
    Extremal Properties for Lie Theoretic Posets?
    Robert A. Proctor*, University of North Carolina-Chapel Hill
    (1024-05-229)
  • 9:30 a.m.
    Generalizations of Simplices and Cyclic Polytopes.
    Margaret M Bayer*, University of Kansas
    (1024-52-114)
  • 10:00 a.m.
    Extremal posets arising from semisimple Lie algebra representations.
    Robert G. Donnelly*, Murray State University
    (1024-05-86)
  • 10:30 a.m.
    On the Isomorphisms of Monomial Graphs.
    Vasyl Dmytrenko, Temple University
    Felix Lazebnik*, University of Delaware
    Raymond Viglione, Kean University
    (1024-05-178)
• Sunday March 4, 2007, 8:00 a.m.-10:50 a.m.
  Special Session on Noncommutative Algebra, III
  Room 2198, Chambers Building
  Organizers:
  Ellen E. Kirkman, Wake Forest University kirkman@wfu.edu
  James J. Kuzmanovich, Wake Forest University
  James Zhang, University of Washington
  

  • 8:00 a.m.
    Primitive ideals in quantum matrices.
    Jason P Bell*, Simon Fraser University
    Stephane Launois, University of Edinburgh
    (1024-16-171)
  • 8:30 a.m.
    Associated primes over generalized Weyl algebras, II.
    Hans E Nordstrom*, University of Portland
    (1024-16-165)
  • 9:00 a.m.
    Ideal theory of $q$-commutative power series rings.
    Edward S Letzter*, Temple University
    Linhong Wang, Temple University
    (1024-16-131)
  • 9:30 a.m.
    Equivalences of graded categories and Picard groups.
    Susan J. Sierra*, University of Michigan
    (1024-16-219)
  • 10:00 a.m.
    Completions of Quantum Coordinate Rings.
    Linhong Wang*, Temple University
    (1024-16-93)
  • 10:30 a.m.
    A new example of AS-regular 4 dimensional algebra.
    Jun Zhang*, University of Washington
    (1024-16-99)
• Sunday March 4, 2007, 8:00 a.m.-12:00 p.m.
  Exhibit and Book Sale
  Gallery, Chambers Building
• Sunday March 4, 2007, 8:30 a.m.-10:50 a.m.
  Special Session on Applicable Algebra, III
  Room 2084, Chambers Building
  Organizers:
  Nigel Boston, University of South Carolina
  Hiren Maharaj, Clemson University hmahara@clemson.edu
  

  • 8:30 a.m.
    Cryptographic hash functions from families of Ramanujan graphs.
    Denis Charles*, Microsoft Research
    Eyal Goren, McGill University
    Kristin Lauter, Microsoft Research
    (1024-68-146)
  • 9:00 a.m.
    Identity Based Encryption for sensor networks.
    Matthew Darnall*, University of Wisconsin - Madison
    Kamal Srinivasan, University of Wisconsin - Madison
    (1024-11-256)
  • 9:30 a.m.
    Symmetric Cryptography and Algebraic Curves.
    Jose Felipe Voloch*, Univ. of Texas at Austin
    (1024-14-34)
  • 10:00 a.m.
    Using the Gr\"{o}bner Fan of an Ideal for Polynomial Model Selection.
    Elena S Dimitrova*, Clamson University
    (1024-14-49)
  • 10:30 a.m.
    Combinatorics of RNA Secondary Structures.
    Christine E Heitsch*, Georgia Institute of Technology
    (1024-05-250)
• Sunday March 4, 2007, 8:30 a.m.-10:50 a.m.
  Special Session on Representation Theory and Galois Cohomology in Number Theory, III
  Room 2130, Chambers Building
  Organizers:
  J\'an Min\'{a}\v{c}, University of Western Ontario minac@uwo.ca
  John R. Swallow, Davidson College joswallow@davidson.edu
  Chairs:
  Michael D. Fried, University of California Irvine
  

  • 8:30 a.m.
    Gluing representations via idempotent modules and constructing endotrivial modules.
    Paul Balmer, ETH, Zuerich
    David Benson, University of Aberdeen
    Jon F Carlson*, University of Georgia
    (1024-20-112)
  • 9:00 a.m.
    Modules of Constant Jordan type.
    Jon Carlson, University of Georgia
    Eric Friedlander, Northwestern University
    Julia Pevtsova*, University of Washington
    (1024-20-195)
  • 9:30 a.m.
    Stable cohomology in commutative algebra.
    Luchezar L. Avramov*, University of Nebraska
    (1024-18-205)
  • 10:00 a.m.
    Tate cohomology often fails to detect $``$null-homotopy$"$.
    David J Benson, University of Aberdeen
    Sunil K Chebolu*, University of Western Ontario
    J Daniel Christensen, University of Western Ontario
    J\'{a}n Min\'{a}\v{c}, UNiversity of Western Ontario
    (1024-17-90)
  • 10:30 a.m.
    Systems of Quadratic Forms defined over $p$-adic Fields.
    David B. Leep*, University of Kentucky
    (1024-11-200)
• Sunday March 4, 2007, 9:00 a.m.-10:50 a.m.
  Special Session on Microlocal Analysis and Partial Differential Equations (in Honor of Michael E. Taylor's 60th Birthday), III
  Room 3234, Chambers Building
  Organizers:
  Anna L. Mazzucato, Pennsylvania State University alm24@psu.edu
  Martin Dindos, University of Edinburgh
  

  • 9:00 a.m.
    Well-posedness and regularity for anisotropic elasticity with mixed boundary conditions in "domains with polyhedral structure".
    Anna L. Mazzucato*, Penn State University
    Victor Nistor, Penn State University
    (1024-35-156)
  • 9:30 a.m.
    Problems associated with a moving airfoil.
    Mark Farris*, Midwestern State University
    (1024-35-177)
  • 10:00 a.m.
    Mathematics of Invisibility.
    Allan Greenleaf, University of Rochester
    Yaroslav Kurylev, Loughborough University
    Matti Lassas, Helsinki University of Technology
    Gunther Uhlmann*, University of Washington
    (1024-35-242)
  • 10:30 a.m.
    Studying the normal form of the Navier-Stokes equations in suitable Banach spaces.
    Foias Ciprian, Indiana University and Texas A&M University
    Luan Thach Hoang*, University of Minnesota
    Eric Olson, University of Nevada
    Mohammed Ziane, University of Southern California
    (1024-35-25)
• Sunday March 4, 2007, 9:30 a.m.-10:50 a.m.
  Special Session on Between Harmonic Analysis, Number Theory, and Combinatorics, III
  Room 3198, Chambers Building
  Organizers:
  Alex Iosevich, University of Missouri-Columbia
  Michael T. Lacey, Georgia Institute of Technology lacey@math.gatech.edu
  Konstantin Oskolkov, University of South Carolina
  

  • 9:30 a.m.
    On the irreducibility of the Laguerre polynomials $L_m^{(m)} (x)$.
    Ognian Trifonov*, University of South Carolina
    Michael Filaseta, University of South Carolina
    Travis Kidd, University of South Carolina
    (1024-11-187)
  • 10:00 a.m.
    Some recent applications of covering systems of the integers.
    Michael Filaseta*, University of South Carolina
    Carrie Finch, University of South Carolina
    Mark Kozek, University of South Carolina
    (1024-11-245)
  • 10:30 a.m.
    Selmer groups and Tate-Shafarevich groups for the congruent number problem.
    Maosheng Xiong*, University of Illinois at Urbana-Champaign
    Alexandru Zaharescu, University of Illinois at Urbana-Champaign
    (1024-11-19)
• Sunday March 4, 2007, 11:10 a.m.-12:00 p.m.
  Invited Address
  Growth, aperiodicity, and undecidability.
  Hance Auditorium, 4th Floor, Chambers Building
  Chaim Goodman-Strauss*, University of Arkansas at Fayetteville
  (1024-52-03)
• Sunday March 4, 2007, 1:50 p.m.-2:40 p.m.
  Invited Address
  Analysis, combinatorics, and arithmetic of incidence theory.
  Hance Auditorium, 4th Floor, Chambers Building
  Alex Iosevich*, University of Missouri-Columbia
  (1024-42-02)
• Sunday March 4, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Computational and Combinatorial Aspects of Tiling and Substitutions, IV
  Room 3106, Chambers Building
  Organizers:
  Chaim Goodman-Strauss, University of Arkansas strauss@uark.edu
  Casey Mann, University of Texas at Tyler
  Edmund O. Harriss, Queen Mary University of London
  

  • 3:00 p.m.
    Generalized beta-expansions, substitution tilings, and local finiteness.
    Natalie Priebe Frank*, Vassar College
    E. A. Robinson, Jr., George Washington University
    (1024-52-235)
  • 3:30 p.m.
    Topology of (some) tiling spaces without finite local complexity.
    Lorenzo Sadun*, University of Texas
    (1024-37-254)
  • 4:00 p.m.
    Tilings generated by non-Pisot companion matrices.
    Shunji Ito*, University of Kanazawa, Kanazawa Japan
    (1024-52-211)
  • 4:30 p.m.
    My view on Pisot substitutions.
    Bernd Sing*, The Open University
    (1024-11-62)
  • 5:00 p.m.
    About duality of cut-and-project tilings.
    Dirk Frettloh*, Univ. Bielefeld, Germany
    (1024-51-74)
  • 5:30 p.m.
    Automata for Factor Languages of Two-dimensional Sofic Shifts.
    Natasha Jonoska*, University of South Florida
    Joni B. Pirnot, Manatee Community College
    (1024-68-253)
• Sunday March 4, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Geometric and Combinatorial Methods in Representation Theory, IV
  Room 2187, Chambers Building
  Organizers:
  Brian Boe, University of Georgia
  William A. Graham, University of Georgia wag@math.uga.edu
  Kailash C. Misra, North Carolina State University
  

  • 3:00 p.m.
    Non-linear Lie conformal algebras with three generators.
    Bojko Bakalov*, North Carolina State University
    Alberto De Sole, Harvard University
    (1024-17-82)
  • 3:30 p.m.
    Representations of certain vertex algebras with two and three generators.
    A Milas*, University at Albany (SUNY)
    (1024-17-218)
  • 4:00 p.m.
    Free Lie algebras and Recursion relations in generalized Moonshine.
    Elizabeth G Jurisich*, The College of Charleston
    (1024-17-236)
  • 4:30 p.m.
    A boson type realization of toroidal sl(n).
    Ben L. Cox*, University of Charleston
    Samuel J. Buelk, University of Charleston
    Elizabeth G. Jurisich, University of Charleston
    (1024-17-246)
  • 5:00 p.m.
    Vertex algebras and sporadic groups.
    John F Duncan*, Harvard University
    (1024-17-224)
  • 5:30 p.m.
    Product-sum identities and affine Lie algebras.
    Naihuan Jing*, North Carolina State University
    (1024-17-97)
• Sunday March 4, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Computational Group Theory, IV
  Room 3084, Chambers Building
  Organizers:
  Arturo Magidin, University of Louisiana at Lafayette magidin@member.ams.org
  Luise Charlotte Kappe, Binghamton University
  Robert F. Morse, University of Evansville
  

  • 3:00 p.m.
    Constructing finite simple groups from irreducible subgroups of $GL_n(2)$.
    Gerhard O. Michler*, Cornell University
    (1024-20-42)
  • 4:00 p.m.
    Simultaneous construction of the sporadic groups $Fi_{22}$ and $Co_2$.
    Hyun Kyu Kim*, Cornell University
    Gerhard O. Michler, Cornell University
    (1024-20-123)
  • 4:30 p.m.
    Groups with a Finite Covering by Isomorphic Abelian Subgroups.
    Matthew F Ragland*, Auburn University Montgomery
    Tuval S Foguel, Auburn University Montgomery
    (1024-20-188)
  • 5:00 p.m.
    Some invariants preserved by isomorphisms of tables of marks.
    Luis M. Huerta-Aparicio, Universidad Michoacana de San Nicolas de Hidalgo
    Ariel Molina-Rueda, Universidad Michoacana de San Nicolas de Hidalgo
    Alberto G. Raggi-Cardenas, Instituto de Matematicas, UNAM
    Luis Valero-Elizondo*, Universidad Michoacana de San Nicolas de Hidalgo
    (1024-20-16)
  • 5:30 p.m.
    Bounding the local distribution of the group-counting function over non-fifth-power-free integers.
    Claudia A. Spiro*, Axia College, University of Phoenix
    (1024-20-46)
• Sunday March 4, 2007, 3:00 p.m.-5:20 p.m.
  Special Session on Representation Theory and Galois Cohomology in Number Theory, IV
  Room 2130, Chambers Building
  Organizers:
  J\'an Min\'{a}\v{c}, University of Western Ontario minac@uwo.ca
  John R. Swallow, Davidson College joswallow@davidson.edu
  Chairs:
  Florian Pop, University of Pennsylvania
  

  • 3:00 p.m.
    Push-Forward Maps in Theories of Cohomology with Support.
    Mona Mocanasu*, Northwestern University
    (1024-14-268)
  • 3:30 p.m.
    Random pro-p groups and random Galois groups.
    Nigel Boston*, Universities of South Carolina and Wisconsin
    (1024-11-152)
  • 4:00 p.m.
    On the construction of families of cyclic polynomials whose roots are algebraic units.
    F Thaine*, Concordia University, Montreal, QC, Canada
    (1024-11-32)
  • 4:30 p.m.
    Quaternion groups as Galois groups.
    Arne Ledet*, Texas Tech University
    (1024-12-183)
  • 5:00 p.m.
    The motive of the stack of bundles.
    Kai Behrend, University of British Columbia
    Ajneet Dhillon*, University of Western Ontario
    (1024-11-60)
• Sunday March 4, 2007, 3:00 p.m.-5:50 p.m.
  Special Session on Commutative Rings and Monoids, IV
  Room 2164, Chambers Building
  Organizers:
  Evan G. Houston, University of North Carolina, Charlotte eghousto@email.uncc.edu
  Thomas G. Lucas, University of North Carolina, Charlotte tglucas@email.uncc.edu
  

  • 3:00 p.m.
    Generalizations of the Hilbert Basis Theorem.
    Jim Coykendall*, North Dakota State University
    (1024-13-89)
  • 3:30 p.m.
    Atomic Factorization Structure in Integral Domains.
    Brenda J. Mammenga*, North Dakota State University
    Jim Coykendall, North Dakota State University
    (1024-13-115)
  • 4:00 p.m.
    Weakly Complemented Commutative Rings.
    Warren Wm McGovern*, Bowling Green State University
    Michelle L Knox, Midwestern State University
    (1024-13-153)
  • 4:30 p.m.
    Pullbacks of Arithmetical Rings.
    Jason Green Boynton*, North Dakota State University
    (1024-13-48)
  • 5:00 p.m.
    The ordered group of invertible ideals of a Pr\"ufer domain of finite character.
    Lee C. Klingler*, Florida Atlantic University
    (1024-13-122)
  • 5:30 p.m.
    Maximal length of Newton orderings and Shinzel sequences in quadratic fields.
    Paul-Jean Cahen*, Universite Paul-Cezanne Aix-Marseille 3.
    (1024-13-55)
• Sunday March 4, 2007, 3:00 p.m.-4:50 p.m.
  Special Session on Algebraic and Extremal Combinatorics, IV
  Room 3068, Chambers Building
  Organizers:
  G\'abor Hetyei, University of North Carolina-Charlotte
  L\'aszl\'o A. Sz\'ekely, University of South Carolina szekely@math.sc.edu
  

  • 3:00 p.m.
    No four subsets forming an $N$.
    Jerrold R. Griggs*, University of South Carolina
    Gyula O.H. Katona, Renyi Institute, Hungarian Academy of Sciences
    (1024-05-110)
  • 3:30 p.m.
    Color critical hypergraphs and forbidden configurations.
    Richard Anstee, University of British Columbia
    Balin Fleming, University of British Columbia
    Zolt\'an F\"uredi, University of Illinois at Urbana-Champaign
    Attila Sali*, Univ. of South Carolina and Alfr\'ed R\'enyi Institute of Math. Budapest
    (1024-05-173)
  • 4:00 p.m.
    Where power laws come from: A model-free etiology.
    Joshua N Cooper*, University of South Carolina
    Lincoln Lu, University of South Carolina
    (1024-05-36)
  • 4:30 p.m.
    Discussion.

Inquiries:  meet@ams.org

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