
AMS Sectional Meeting Program by Day
Current as of Saturday, October 13, 2007 00:36:28
Program 
Deadlines 
Registration/Housing/Etc. 
Inquiries: meet@ams.org
2007 Fall Central Section Meeting
Chicago, IL, October 56, 2007 (Friday  Saturday)
Meeting #1030
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Friday October 5, 2007

Friday October 5, 2007, 7:30 a.m.4:00 p.m.
Meeting Registration
Lobby (8th Floor), Lewis Center

Friday October 5, 2007, 7:30 a.m.4:00 p.m.
Exhibit and Book Sale
Lobby (8th Floor), Lewis Center

Friday October 5, 2007, 8:30 a.m.10:50 a.m.
Special Session on Sequence Spaces and Transformations, I
Room 1107, Lewis Center Organizers: Constantine Georgakis, DePaul University cgeorgak@condor.depaul.edu
Martin Buntinas, Loyola University of Chicago mbuntin@math.luc.edu

Friday October 5, 2007, 8:30 a.m.10:55 a.m.
Special Session on Analysis and CR Geometry, I
Room 8207, DePaul Center Organizers: SongYing Li, University of California Irvine sli@math.uci.edu
Stephen ST Yau, University of Illinois at Chicago yau@uic.edu

Friday October 5, 2007, 8:30 a.m.10:50 a.m.
Special Session on Algorithmic Probability and Combinatorics, I
Room 1006, Lewis Center Organizers: Manuel Lladser, University of Colorado lladser@colorado.edu
Robert S. Maier, University of Arizona rsm@math.arizona.edu

8:30 a.m.
Phase Changes in Subtree Varieties in Random Trees.
Hosam M. Mahmoud*, The George Washington University
(103060129)

9:00 a.m.
On the Number of $k$Cousins in Tries and Suffix Trees.
Hosam M. Mahmoud, The George Washington University
Mark Daniel Ward*, Purdue University
(103060370)

9:30 a.m.
Quantum random walks in one dimension via generating functions.
Andrew Bressler*, University of Pennsylvania, Department of Mathematics
(103005155)

10:00 a.m.
A Hybrid of Darboux's Method and Singularity Analysis in Combinatorial Asymptotics.
Eric Fusy*, Simon Fraser University, Vancouver
Philippe Flajolet, Projet ALGO, INRIA Rocquencourt, France
Xavier Gourdon, Paris, France
Daniel Panario, School of Mathematics and Statistics, Carleton University, Ottawa
Nicolas Pouyanne, Université de Versailles SaintQuentin en Yvelines, France
(10300580)

10:30 a.m.
Effective methods in multivariate asymptotics.
Robin Pemantle*, University of Pennsylvania
(10300513)

Friday October 5, 2007, 8:30 a.m.10:50 a.m.
Special Session on Smooth Dynamical Systems, I
Room 8012, DePaul Center Organizers: Marian Gidea, Northeastern Illinois University mgidea@neiu.edu
Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu

8:30 a.m.
Geometric methods for instability in Hamiltonian systems.
A. Delshams, Universidad Politecnica de Catalunya
M. Gidea, Northeastern IIllinois University
R. de la Llave*, Univ. of Texas at Austin
T. M.Seara, Univ. Politecnica de Catalunya
(103037317)

9:00 a.m.
Arnold diffusion for non polynomial perturbations of an apriori unstable Hamiltonian system.
Gemma Huguet*, Universitat Politecnica de Catalunya
Amadeu Delshams, Universitat Politecnica de Catalunya
(10303779)

9:30 a.m.
Shadowing orbits for transition chains of invariant tori.
Clark Robinson*, Northwestern University
(103037178)

10:00 a.m.
Dynamics of VolumePreserving Maps near a SaddleNodeHopf Bifurcation.
James D Meiss*, University of Colorado
(10303752)

10:30 a.m.
A result regarding the boundary map of an attractorrepeller pair.
Catalin Georgescu*, Department of Mathematical Sciences, The University of South Dakota
(103037359)

Friday October 5, 2007, 9:00 a.m.10:55 a.m.
Special Session on Nonlinear Conservation Laws and Related Problems, I
Room 8010, DePaul Center Organizers: Cleopatra Christoforou, University of Houston cleopatra@math.uh.edu.
GuiQiang Chen, Northwestern University gqchen@math.northwestern.edu

9:00 a.m.
Time analyticity and backwards uniqueness of weak solutions of the NavierStokes equations of multidimensional, compressible flow.
David Hoff*, Indiana University
Eugene Tsyganov, Indiana University
(10303514)

9:30 a.m.
Global Solution to the MultiDimensional Equations of Compressible Magnetohydrodynamic Flows.
Dehua Wang*, University of Pittsburgh
(10303515)

10:00 a.m.
A bound from below for the temperature in compressible NavierStokes equations.
Antoine Mellet, UBC, Vancouver, Canada
Alexis F. Vasseur*, University of Texas at Austin
(10303512)

10:30 a.m.
Optimal regularity near sonic line for regular shock reflection.
Myoungjean Bae, University of WisconsinMadison
GuiQiang Chen, Northwestern University
Mikhail Feldman*, University of WisconsinMadison
(10303533)

Friday October 5, 2007, 9:00 a.m.10:50 a.m.
Special Session on Applied Harmonic Analysis, I
Room 8002, DePaul Center Organizers: Jonathan Cohen, DePaul University jcohen@math.depaul.edu
Ahmed I. Zayed, DePaul University azayed@math.depaul.edu

9:00 a.m.
Cyclic frames, burst erasures and statistics.
Bernhard G Bodmann*, Department of Mathematics, University of Houston
(103042252)

9:30 a.m.
Rotational invariance and multiresolution analysis for 2D and 3Dimage analysis.
Juan R Romero, University of Houston
Manos Papadakis*, University of Houston
Saurabh Jain, University of Houston
Simon K Alexander, University of Houston
Shikha Baid, University of Houston
(103041361)

10:00 a.m.
Decomposition and generalized wavelet bases on fractals.
Palle E. T. Jorgensen*, The University of Iowa
(10304106)

10:30 a.m.
Applications of the Theory of SelfAdjoint Extensions of Symmetric Operator in Sampling and Interpolation.
Yufang Hao*, Department of Applied Mathematics / University of Waterloo
(103043110)

Friday October 5, 2007, 9:00 a.m.10:50 a.m.
Special Session on Singular Integrals and Related Problems, I
Room 8011, DePaul Center Organizers: Laura De Carli, Florida International University decarlil@fiu.edu
A. M. Stokolos, DePaul University astokolo@condor.depaul.edu

Friday October 5, 2007, 9:00 a.m.10:50 a.m.
Special Session on Geometric Combinatorics, I
Room 1005, Lewis Center Organizers: Caroline J. Klivans, University of Chicago cjk@math.uchicago.edu
Kathryn Nyman, Loyola University Chicago knyman@luc.edu

9:00 a.m.
On sequentially CohenMacaulay complexes and posets.
Anders Bjorner, Royal Institute of Technology, Stockholm
Michelle L. Wachs*, University of Miami
Volkmar Welker, Marburg University, Germany
(103005413)

9:30 a.m.
Matroid base polytope decompositions and quasisymmetric functions.
Kurt W. Luoto*, University of Washington, Seattle, WA
(103005182)

10:00 a.m.
Zonotopes of Line Shellings of Polytopes.
Catherine Stenson*, Juniata College
(103052349)

10:30 a.m.
Tropical hyperplane arrangements and oriented matroids.
Federico Ardila*, San Francisco State University
Mike Develin, American Institute of Mathematics
(103052172)

Friday October 5, 2007, 9:00 a.m.10:50 a.m.
Special Session on Numerical and Symbolic Techniques in Algebraic Geometry and Its Applications, I
Room 1110, Lewis Center Organizers: GianMario Besana, DePaul University gbesana@cti.depaul.edu
Jan Verschelde, University of Illinois at Chicago jan@math.uic.edu
Zhonggang Zeng, Northeastern Illinois University zzeng@neiu.edu

Friday October 5, 2007, 9:00 a.m.10:50 a.m.
Special Session on Algebraic Coding Theory (in honor of Harold N. Ward's retirement), I
Room 1217, Lewis Center Organizers: Jay A. Wood, Western Michigan University jay.wood@wmich.edu

Friday October 5, 2007, 9:00 a.m.10:50 a.m.
Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, I
Room 1216, Lewis Center Organizers: Sung Y. Song, Iowa State University sysong@iastate.edu
Paul Terwilliger, University of Wisconsin terwilli@math.wisc.edu

Friday October 5, 2007, 9:00 a.m.10:50 a.m.
Special Session on Graph Theory, I
Room 1214, Lewis Center Organizers: Hemanshu Kaul, Illinois Institute of Technology kaul@iit.edu
Michael J. Pelsmajer, Illinois Institute of Technology pelsmajer@iit.edu

9:00 a.m.
Listcoloring the square of a subcubic graph.
Daniel W Cranston*, DIMACS, Rutgers University, Piscataway, NJ
SeogJin Kim, Konkuk University, Seoul, Korea
(103005196)

9:30 a.m.
The Randomized Coloring Procedure with SymmetryBreaking.
Sriram Pemmaraju*, The University of Iowa
Aravind Srinivasan, University of Maryland, College Park
(103005226)

10:00 a.m.
Distance graph  $p$adic approach.
JeongHyun Kang*, University of West Georgia
Hiren Maharaj, Clemson University
(103005402)

10:30 a.m.
Distance Related Graph Labelings.
Zsuzsanna Szaniszlo*, Valparaiso University
(103005353)

Friday October 5, 2007, 9:00 a.m.10:45 a.m.
Special Session on Model Theory of Nonelementary Classes, I
Room 1106, Lewis Center Organizers: John T. Baldwin, University of Illinois at Chicago jbaldwin@uic.edu
David W. Kueker, University of Maryland dwk@math.umd.edu
Rami Grossberg, Carnegie Mellon University rami@cmu.edu

Friday October 5, 2007, 9:00 a.m.10:55 a.m.
Special Session on Networks, I
Room 1111, Lewis Center Organizers: Martin Golubitsky, University of Houston mg@uh.edu
Mary Silber, Northwestern University msilber@northwestern.edu

Friday October 5, 2007, 9:00 a.m.10:55 a.m.
Special Session on Hopf Algebras and Related Areas, I
Room 1210, Lewis Center Organizers: Yevgenia Kashina, DePaul University ykashina@condor.depaul.edu
Leonid Krop, DePaul University lkrop@condor.depaul.edu
M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
David E. Radford, University of Illinois at Chicago radford@uic.edu

Friday October 5, 2007, 9:00 a.m.10:50 a.m.
Special Session on Extremal and Probabilistic Combinatorics, I
Room 1004, Lewis Center Organizers: Jozsef Balogh, University of Illinois at UrbanaChampaign jobal@math.uiuc.edu
Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu

Friday October 5, 2007, 9:00 a.m.10:45 a.m.
Special Session on Algebraic Geometry, I
Room 8209, DePaul Center Organizers: Lawrence Man Hou Ein, University of Illinois at Chicago ein@math.uic.edu
Anatoly S. Libgober, University of Illinois at Chicago libgober@math.uic.edu

Friday October 5, 2007, 9:00 a.m.10:50 a.m.
Special Session on Ergodic Theory and Symbolic Dynamical Systems, I
Room 8014, DePaul Center Organizers: Ayse A. Sahin, DePaul University asahin@condor.depaul.edu
Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu

Friday October 5, 2007, 9:00 a.m.10:55 a.m.
Special Session on Automorphic Forms: Representation Theory of padic and Adelic Groups, I
Room 1207, Lewis Center Organizers: Mahdi Asgari, Oklahoma State University asgari@math.okstate.edu
Anantharam Raghuram, Oklahoma State University araghur@math.okstate.edu

Friday October 5, 2007, 9:00 a.m.10:50 a.m.
Special Session on Wave Propagation from Mathematical and Numerical Viewpoints, I
Room 8009, DePaul Center Organizers: Gabriel Koch, University of Chicago koch@math.uchicago.edu
Catalin Constantin Turc, Caltech and University of North Carolina at Charlotte turc@acm.caltech.edu
Nicolae Tarfulea, Purdue University Calumet tarfulea@calumet.purdue.edu

Friday October 5, 2007, 9:30 a.m.10:50 a.m.
Special Session on The Euler and NavierStokes Equations, I
Room 8005, DePaul Center Organizers: Alexey Cheskidov, University of Michigan acheskid@umich.edu
Susan J. Friedlander, University of Illinois at Chicago susan@math.uic.edu
Roman Shvydkoy, University of Illinois at Chicago shvydkoy@math.uic.edu

Friday October 5, 2007, 11:10 a.m.12:00 p.m.
Invited Address
Symmetry breaking and synchrony breaking.
Room 8005, DePaul Center
Martin Golubitsky*, University of Houston
(10303405)

Friday October 5, 2007, 1:30 p.m.2:20 p.m.
Invited Address
Representations of Pointed Hopf Algebras.
Room 8005, DePaul Center
David E. Radford*, University of Illinois at Chicago
(10301604)

Friday October 5, 2007, 2:30 p.m.4:55 p.m.
Special Session on Sequence Spaces and Transformations, II
Room 1107, Lewis Center Organizers: Constantine Georgakis, DePaul University cgeorgak@condor.depaul.edu
Martin Buntinas, Loyola University of Chicago mbuntin@math.luc.edu

Friday October 5, 2007, 2:30 p.m.5:55 p.m.
Special Session on Nonlinear Conservation Laws and Related Problems, II
Room 8010, DePaul Center Organizers: Cleopatra Christoforou, University of Houston cleopatra@math.uh.edu
GuiQiang Chen, Northwestern University gqchen@math.northwestern.edu

2:30 p.m.
Transonic steady irrotational flow of a compressible gas.
Marshall Slemrod*, Dept. of Mathematics, University of WisconsinMadison
(10303507)

3:00 p.m.
Kinetic Formulations and Regularizing Effects in QuasiLinear PDEs.
Eitan Tadmor*, University of Maryland
Terence Tao, UC Los Angeles
(10303518)

3:30 p.m.
Nonlinear variational systems of wave equations.
John K Hunter*, University of California at davis
(103035201)

4:00 p.m.
Weak solutions of hydrodynamic equations.
Peter Constantin*, The University of Chicago
(103035216)

4:30 p.m.
Onsager's conjecture and a Model for Turbulence.
Susan Friedlander*, University of IllinoisChicago and USC
(10307651)

5:00 p.m.
Boundary behavior of compressible, viscous fluid flows.
Misha Perepeltisa*, Vanderbilt University
(10303559)

5:30 p.m.
On the existence and uniqueness of a solution to a mixed hyperbolicparabolic freeboundary problem arising in blood flow modeling.
Suncica Canic*, University of Houston
Taebeom Kim, University of Houston
Giovanna Guidoboni, University of Houston
Andro Mikelic, University of Lyon 1
(10303534)

Friday October 5, 2007, 2:30 p.m.5:55 p.m.
Special Session on Analysis and CR Geometry, II
Room 8207, DePaul Center Organizers: SongYing Li, University of California Irvine sli@math.uci.edu
Stephen ST Yau, University of Illinois at Chicago yau@uic.edu

Friday October 5, 2007, 2:30 p.m.4:50 p.m.
Special Session on Applied Harmonic Analysis, II
Room 8002, DePaul Center Organizers: Jonathan Cohen, DePaul University jcohen@math.depaul.edu
Ahmed I. Zayed, DePaul University azayed@math.depaul.edu

2:30 p.m.
Chromatic series of prolate spheroidal waves and wavelets.
Gilbert G Walter*, University of WisconsinMilwaukee
(103041117)

3:00 p.m.
PaleyWienerType Theorem in a Hilbert Space.
Ahmed I Zayed*, DePaul University
Isaac Pesenson, Temple University
(103042236)

3:30 p.m.
Optimal NonLinear Models for Compressed Sensing and Sampling.
Akram Aldroubi*, Vanderbilt University
Carlos Cabrelli, Dept. of Mathematics, University of Buenos Aires, Argentina
Ursula Molter, Dept. of Mathematics, University of Buenos Aires, Argentina
(103041396)

4:00 p.m.
Discrete Fourier Transform on compact manifolds and finite graphs.
Isaac Pesenson*, Department of Mathematics CCP and Temple University
(10304270)

4:30 p.m.
Lagrange Interpolation by Periodic Prolate Spheroidal Wavelets.
Xiaoping Shen*, Ohio University
(103042159)

Friday October 5, 2007, 2:30 p.m.5:20 p.m.
Special Session on Singular Integrals and Related Problems, II
Room 8011, DePaul Center Organizers: Laura De Carli, Florida International University decarlil@fiu.edu
A. M. Stokolos, DePaul University astokolo@condor.depaul.edu

2:30 p.m.
Sharp $A_1$ bounds for CalderónZygmund operators and the relationship with a problem of Muckenhoupt and Wheeden.
Carlos Pérez*, Universidad de Sevilla (Spain) and Kansas University
Andrei Lerner, Universidad de Sevilla
Sheldy Ombrosi, Universidad Nacional del Sur, Bahia Blanca and Universidad de Sevilla
(103042348)

3:00 p.m.
Radially symmetric intersection bodies with an (n1)dimesional face.
Maria Alfonseca*, North Dakota State University
Dmitry Ryabogin, Kansas State University
Artem Zvavitch, Kent State University
(103052366)

3:30 p.m.
Kakeya Sets and Directional Maximal Operators in the Plane.
Michael Bateman*, Indiana University
(103042262)

4:00 p.m.
Tauberian conditions for geometric maximal operators.
Paul Alton Hagelstein*, Baylor University
Alexander Stokolos, De Paul University
(103042130)

5:00 p.m.
Restriction for curves and surfaces.
Sarah N Ziesler*, University of Chicago
(10304275)

Friday October 5, 2007, 2:30 p.m.4:50 p.m.
Special Session on Geometric Combinatorics, II
Room 1005, Lewis Center Organizers: Caroline J. Klivans, University of Chicago cjk@math.uchicago.edu
Kathryn Nyman, Loyola University Chicago knyman@luc.edu

2:30 p.m.
Face numbers of simplicial manifolds.
Isabella Novik*, Department of Mathematics, University of Washington
Edward B Swartz, Department of Mathematics, Cornell University
(103005305)

3:00 p.m.
Closed geodesics and quasigeodesics on convex surfaces.
Igor Pak*, MIT
(103052194)

3:30 p.m.
Convex hull realizations of the multiplihedra.
Stefan A. Forcey*, Tennessee State University
(10300544)

4:00 p.m.
A simplicial matrixtree theorem, I. General results.
Art M Duval, University of Texas, El Paso
Caroline Klivans, University of Chicago
Jeremy L Martin*, University of Kansas
(103005143)

4:30 p.m.
A Simplicial matrixtree theorem, II. Examples.
Art Duval*, University of Texas at El Paso
Caroline J. Klivans, University of Chicago
Jeremy L. Martin, University of Kansas
(103005101)

Friday October 5, 2007, 2:30 p.m.6:15 p.m.
Special Session on Mathematical Modeling and Numerical Methods, I
Room 1108, Lewis Center Organizers: Atife Caglar, University of WisconsinGreen Bay caglara@uwgb.edu

2:30 p.m.
A Finite Element Approximation of NavierStokesAlpha Model.
Atife Caglar*, Assistant Professor
(103065398)

3:30 p.m.
Breaking the Curse of Dimensionality with Lattice Designs.
Fred J Hickernell*, Department of Applied Mathematics, Illinois Institute of Technology, Chicago, IL
(103065358)

4:30 p.m.
Numerical Analysis and Computational Testing of a Leraydeconvolution Turbulence Model.
Leo Rebholz*, University Of Pittsburgh
W Layton, University of Pittsburgh
M Neda, University of NevadaLas vegas
C Manica, Federal University of Rio Grande do Sul
(103065409)

5:30 p.m.
On The Numerical Solution of Parabolic Stochastic Differential Equation.
Mehmet E San*, Fatih University/Istanbul/Turkey
(10303536)

Friday October 5, 2007, 2:30 p.m.5:50 p.m.
Special Session on Differential Geometry and Its Applications, I
Room 8206, DePaul Center Organizers: Jianguo Cao, University of Notre Dame cao.7@nd.edu

2:30 p.m.
Blocking geodesics  a survey of recent results.
Ben Schmidt*, U. of Chicago
(103051273)

3:00 p.m.
Infinitedimensional steepest descent flow invariants and related nonlinear ordinary differential equations.
Anders Linn\'er*, Northern Illinois University
(103058146)

3:30 p.m.
Optimization of the Distortion Energy Functional over Homotopy Classes of Diffeomorphisms.
Oksana Bihun*, Department of Mathematics, University of MissouriColumbia
Carmen Chicone, Department of Mathematics, University of MissouriColumbia
(10305324)

4:00 p.m.
Constant Mean Curvature Surfaces with Symmetries.
Hongyou Wu*, Northern Illinois University
(103053270)

4:30 p.m.
Bismut's Formula for Heat Kernels and Its Generalizations.
Elton P Hsu*, Northwestern University
(103053144)

5:00 p.m.
Solution of first order second degree quadratic differential equation.
Ali A. Salim*, Al nahrain University / faculity of engineering
(10303410)

5:30 p.m.
Insecurity and the growth of the number of geodesics between two points.
Keith Burns*, Northwestern University
Eugene Gutkin, IMPA/Uniwersytet Mikolaja Kopernika
(10305386)

Friday October 5, 2007, 2:30 p.m.5:50 p.m.
Special Session on Numerical and Symbolic Techniques in Algebraic Geometry and Its Applications, II
Room 1110, Lewis Center Organizers: GianMario Besana, DePaul University gbesana@cti.depaul.edu
Jan Verschelde, University of Illinois at Chicago jan@math.uic.edu
Zhonggang Zeng, Northeastern Illinois University zzeng@neiu.edu

2:30 p.m.
Finding All Solutions to Dynamic Stochastic Games.
Kenneth L. Judd*, Hoover Institution, Stanford University
Karl Schmedders, Kellog School of Management, Northwestern University
(103091421)

3:00 p.m.
Regeneration, adaptive multiprecision and Bertini.
Jonathan D Hauenstein*, University of Notre Dame
(103014379)

3:30 p.m.
Computing the GCD of Ore Polynomials.
Zhonggang Zeng, Northeastern Illinois University
Yang Zhang*, DePaul University
(103016405)

4:00 p.m.
Break

4:30 p.m.
Numerical primary decomposition.
Anton Leykin*, IMA, University of Minnesota
(103014376)

5:00 p.m.
Computing Critical Points by Continuation.
Kathy Wei Piret*, University of Illinois at Chicago, Dept of Math, Stat & CS
Jan Verschelde, University of Illinois at Chicago, Dept. of Math, Stat & CS
(103065325)

5:30 p.m.
Induction for secant varieties of Segre varieties.
Hirotachi Abo*, University of Idaho
Giorgio Ottaviani, University of Florence
Chris Peterson, Colorado State University
(103014199)

Friday October 5, 2007, 2:30 p.m.5:50 p.m.
Special Session on Algebraic Coding Theory (in honor of Harold N. Ward's retirement), II
Room 1217, Lewis Center Organizers: Jay A. Wood, Western Michigan University jay.wood@wmich.edu

2:30 p.m.
New Negative Latin Square Type Partial Difference Sets in Nonelementary Abelian 2groups and 3groups.
John B Polhill*, Bloomsburg University of Pennsylvania
(10300517)

3:00 p.m.
Crossover of aperiodic autocorrelation functions for quaternary sequences.
James A Davis*, University of Richmond
Pohl Michael, University of Richmond
(103005304)

3:30 p.m.
Loose ends.
Harold N. Ward*, University of Virginia
(10309492)

4:00 p.m.
Applications of Quadratic Forms in Coding Theory.
Gary McGuire*, University College Dublin
(103094374)

4:30 p.m.
HartmannTzengtype Bounds for Cyclic Codes.
Nigel Boston*, University of Wisconsin, Madison
(103014258)

5:00 p.m.
LDPC codes from voltage graphs.
Christine A. Kelley, The Ohio State University
Judy L. Walker*, University of Nebraska
(103094355)

5:30 p.m.
On the dimensions of certain LDPC codes based on $q$regular bipartite graphs.
Peter Sin, University of Florida
Qing Xiang*, University of Delaware
(103094171)

Friday October 5, 2007, 2:30 p.m.5:50 p.m.
Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, II
Room 1216, Lewis Center Organizers: Sung Y. Song, Iowa State University sysong@iastate.edu
Paul Terwilliger, University of Wisconsin terwilli@math.wisc.edu

2:30 p.m.
Euclidean $t$designs.
Etsuko Bannai*, Faculty of Mathematics, Graduate School, Kyushu University
(103005247)

3:00 p.m.
Delsarte LP bounds for complex systems of lines and subspaces.
Aidan Roy*, University of Calgary
(103005404)

3:30 p.m.
Perfect matchings in regular graphs from eigenvalues.
Sebastian M. Cioab\u{a}*, University of California, San Diego
David A. Gregory, Queen's University
Willem H. Haemers, University of Tilburg
(103005340)

4:00 p.m.
Association schemes and set partition systems.
Karen Meagher*, University of Regina
(103005121)

4:30 p.m.
A characterization of Qpolynomial trianglefree distanceregular graphs with an eigenvalue multiplicity equal to the valency.
Aleksandar Jurisic*, Faculty of Computer and Information Science
(103005400)

5:00 p.m.
Discussion

5:30 p.m.
On schemes which contain a constrained set of involutions.
PaulHermann Zieschang*, University of Texas at Brownsville
(103005427)

Friday October 5, 2007, 2:30 p.m.4:50 p.m.
Special Session on Graph Theory, II
Room 1214, Lewis Center Organizers: Hemanshu Kaul, Illinois Institute of Technology kaul@iit.edu
Michael J. Pelsmajer, Illinois Institute of Technology pelsmajer@iit.edu

2:30 p.m.
Acquisition number of graphs.
Timothy D. LeSaulnier, University of Illinois  Urbana
Noah Prince, University of Illinois  Urbana
Paul S. Wenger, University of Illinois  Urbana
Douglas B. West*, University of Illinois  Urbana
Pratik Worah, University of Illinois  Urbana
(103005256)

3:00 p.m.
$(\alpha,k)$balanced graphs.
A. Brieden, Universit\"at der Bundeswehr M\"unchen
Z. F\"uredi, University of Illinois, UrbanaChampaign & Renyi Institute of Mathematics
A. K\"undgen, Cal State San Marcos
R. Ramamurthi*, Cal State San Marcos
(103005416)

3:30 p.m.
On Vizing's Independence Number Conjecture of edge chromatic critical graphs.
Yue Zhao*, Department of Mathematics, University of Central Florida
(10300572)

4:00 p.m.
Identifying Codes in $q$ary hypercube.
SeogJin Kim*, Konkuk University
JonLark Kim, University of Louisville
(103005257)

4:30 p.m.
On a generalization of the localglobal theorem for isoperimetric orders.
Sergei L Bezrukov*, University of Wisconsin  Superior
Miquel Rius, Universitat Politecnica de Catalunya
Oriol Serra, Universitat Politecnica de Catalunya
(103005316)

Friday October 5, 2007, 2:30 p.m.6:20 p.m.
Special Session on Free Resolutions, I
Room 1007, Lewis Center Organizers: Noam Horwitz, Cornell University nh54@cornell.edu
Irena Peeva, Cornell University ivp1@cornell.edu

2:30 p.m.
Specializations of Ferrers ideals.
Alberto Corso, University of Kentucky, Department of Mathematics
Uwe Nagel*, University of Kentucky, Department of Mathematics
(103013238)

3:00 p.m.
Tetrahedral curves via graphs and Alexander duality.
Christopher A Francisco*, Oklahoma State University
(10301357)

3:30 p.m.
Sparse filter regular sequences and extremal Betti numbers.
Giulio Caviglia*, Purdue University
(103013230)

4:00 p.m.
Double Points on a Pair of Lines.
Susan Marie Cooper*, California Polytechnic State University
Brian Harbourne, University of NebraskaLincoln
Zachariah Teitler, Texas A&M University
(103013312)

4:30 p.m.
Minimal Free Resolutions and Asymptotic Behavior of MultiGraded Regularity.
Brent D Strunk*, University of Louisiana At Monroe
Huy Tai Ha, Tulane University
(103013132)

5:00 p.m.
Multigraded modules and the topology of representable matroids.
Amanda Beecher, United States Military Academy at West Point
Alexandre Tchernev*, University at Albany, SUNY
(103013245)

5:30 p.m.
Cohomology of connected sums of artinian Gorenstein rings.
Luchezar L. Avramov, University of Nebraska  Lincoln
W. Frank Moore*, University of Nebraska  Lincoln
(103013215)

6:00 p.m.
Discussion

Friday October 5, 2007, 2:30 p.m.5:55 p.m.
Special Session on Model Theory of Nonelementary Classes, II
Room 1106, Lewis Center Organizers: John T. Baldwin, University of Illinois at Chicago jbaldwin@uic.edu
David W. Kueker, University of Maryland dwk@math.umd.edu
Rami Grossberg, Carnegie Mellon University rami@cmu.edu

2:30 p.m.
Stability, simplicity, and Banach space geometry.
Jose N Iovino*, The University of Texas at San Antonio
(103003218)

3:30 p.m.
Galois Types and Topology.
Michael J Lieberman*, Department of Mathematics, University of Michigan
(103003251)

4:00 p.m.
On Quasiminimal Excellent Classes.
Jonathan Kirby*, University of Oxford
(103003119)

4:30 p.m.
Few pairs of countable models.
Maryanthe Malliaris*, University of California, Berkeley
(10300373)

5:00 p.m.
AECs of Abelian Groups.
John Baldwin, University of Illinois at Chicago
Wesley Calvert, Murray State University
John Goodrick*, University of Maryland, College Park
Andres Villaveces, Universidad Nacional de Columbia
Agatha WalczakTypke, University of Vienna
(103003125)

5:30 p.m.
Recent developments in classification theory of classes of metric structures.
Alex Usvyatsov*, UCLA
(103003386)

Friday October 5, 2007, 2:30 p.m.4:25 p.m.
Special Session on Networks, II
Room 1111, Lewis Center Organizers: Martin Golubitsky, University of Houston mg@uh.edu
Mary Silber, Northwestern University msilber@northwestern.edu

2:30 p.m.
Social Interactions in Myxobacterial Swarming.
Mark Alber*, Department of Mathematics, University of Notre Dame
(10309276)

3:00 p.m.
Multiple Attractors and Long Chaotic Transients in SmallWorld Networks of Excitable Neurons.
Hermann Riecke*, Northwestern University
A. Roxin, Universitat Pompeu Fabra
S. Madrug, MPI Complex Systems
(103092431)

3:30 p.m.
Feedback control of unstable patterns and periodic orbits.
Claire M Postlethwaite*, Engineering Sciences and Applied Mathematics, Northwestern University
Mary Silber, Engineering Sciences and Applied Mathematics, Northwestern University
(103037153)

4:00 p.m.
Quotient Networks.
Manuela A.D. Aguiar, Faculdade de Economia, Universidade do Porto
Ana Paula S. Dias, Faculdade de Ciencias, Universidade do Porto
Martin Golubitsky, University of Houston
Maria C.A. Leite*, Purdue University
(103034266)

Friday October 5, 2007, 2:30 p.m.5:55 p.m.
Special Session on Hopf Algebras and Related Areas, II
Room 1210, Lewis Center Organizers: Yevgenia Kashina, DePaul University ykashina@condor.depaul.edu
Leonid Krop, DePaul University lkrop@condor.depaul.edu
M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
David E. Radford, University of Illinois at Chicago radford@uic.edu

2:30 p.m.
The Weyl groupoid of a semisimple YetterDrinfeld module.
H.J. Schneider*, Mathematisches Institut LudwigMaximiliansUniversitaet Muenchen
(103016285)

3:00 p.m.
Lusztig Isomorphisms for some Drinfeld Doubles.
Istvan Heckenberger*, Mathematisches Institut, Universität München, Germany
(103081255)

3:30 p.m.
Quantum subgroups of a simple quantum group at roots of 1.
Nicolas Andruskiewitsch*, Universidad Nacional de Cordoba, Argentina
Gaston Andres Garcia, Universidad Nacional de Cordoba, Argentina
(10301711)

4:00 p.m.
Representations of the Drinfel'd Doubles of a Family of Hopf Algebras.
Leonid Krop*, DePaul University, Chicago, IL
David E. Radford, University of Illinois at Chicago
(103016164)

4:30 p.m.
Graded deformations and pointed Hopf algebras.
Mitja Mastnak*, University of Waterloo
Sarah J Witherspoon, Taxas A&M University
(103016156)

5:00 p.m.
Coideal subalgebras in quantum groups.
Vladislav Kharchenko*, Universidad Nacional Automoma de Mexico, FESC.
Alma Virginia Lara Sagahon, Universidad Nacional Autonoma de Mexico, FESC.
(10301643)

5:30 p.m.
Braided Hopf algebras obtained from coquasitriangular Hopf algebras.
Margaret Beattie*, Mount Allison University
Daniel Bulacu, University of Bucharest
(10301696)

Friday October 5, 2007, 2:30 p.m.5:50 p.m.
Special Session on Extremal and Probabilistic Combinatorics, II
Room 1004, Lewis Center Organizers: Jozsef Balogh, University of Illinois at UrbanaChampaign jobal@math.uiuc.edu
Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu

2:30 p.m.
Nearly optimal embeddings of trees.
Benny Sudakov, Princeton University
Jan Vondrak*, Princeton University
(10300569)

3:00 p.m.
An extension of ErdosStone theorem.
Vladimir Nikiforov*, University of Memphis
(103005127)

3:30 p.m.
Negative dependence and Srinivasan's sampling process.
Jonathan Cutler*, Montclair State University
A J Radcliffe, University of NebraskaLincoln
(103005389)

4:00 p.m.
Break

4:30 p.m.
Coloring uniform simple hypergraphs with few edges.
Alexandr Kostochka*, University of Illinois at UrbanaChampaign
Mohit Kumbhat, University of Illinois at UrbanaChampaign
(103005162)

5:00 p.m.
Covering hypergraphs with cuts of minimum total size.
Sebastian M. Cioab\u{a}*, University of California, San Diego
Andr\'{e} K\"{u}ndgen, California State University, San Marcos
(103005338)

5:30 p.m.
$M$part $L$Sperner families.
Harout Aydinian, Universit\"at Bielefeld
\'Eva Czabarka*, University of South Carolina
P\'eter L Erd\H os, R\'enyi Institute, Hungary
L\'aszl\'o Sz\'ekely, University of South Carolina
(103005377)

Friday October 5, 2007, 2:30 p.m.5:50 p.m.
Special Session on The Euler and NavierStokes Equations, II
Room 8005, DePaul Center Organizers: Alexey Cheskidov, University of Michigan acheskid@umich.edu
Susan J. Friedlander, University of Illinois at Chicago susan@math.uic.edu
Roman Shvydkoy, University of Illinois at Chicago shvydkoy@math.uic.edu

2:30 p.m.
Approximation of convectiondiffusion equations with multiple boundary layers.
ChangYeol Jung, Institute for scientific computing and applied mathematics
Roger Temam*, Institute for scientific computing and applied mathematics
(103035142)

3:00 p.m.
Liouville Theorems and Applications to the Regularity Theory of the NavierStokes Equations.
Gabriel Koch*, University of Chicago
Nicolai Nadirashvili, CNRS, LATP, CMI
Gregory Seregin, Steklov Institute of Mathematics
Vladimir Sverak, University of Minnesota
(103035395)

3:30 p.m.
Vanishing viscosity limit for incompressible flow around a sufficiently small obstacle.
Dragos Iftimie, Université de Lyon I
Milton C Lopes Filho, IMECCUNICAMP
Helena J Nussenzveig Lopes*, IMECCUNICAMP
(103076408)

4:00 p.m.
Break

4:30 p.m.
On the construction of suitable weak solutions of the NavierStokes equations.
JeanLuc Guermond*, Texas A&M University
(10306550)

5:00 p.m.
Vanishing viscosity limit in boundarydriven 2D flows.
Milton C. Lopes Filho, UniCamp, Campinas, Brazil
Anna L. Mazzucato*, Penn State University
Helena J. Nussenzveig Lopes, UniCamp, Campinas, Brazil
Michael E. Taylor, University of North Carolina, Chapel Hill
(103035120)

5:30 p.m.
On the regularity of weak solutions of the 3D NavierStokes equations in $B^{1}_{\infty,\infty}$.
Alexey Cheskidov*, University of Chicago
Roman Shvydkoy, University of Illinois
(103035378)

Friday October 5, 2007, 2:30 p.m.5:50 p.m.
Special Session on Smooth Dynamical Systems, II
Room 8012, DePaul Center Organizers: Marian Gidea, Northeastern Illinois University mgidea@neiu.edu
Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu

2:30 p.m.
The compressible fluid twobody problem.
C Chicone*, University of Missouri, Columbia, MO
(103037112)

3:00 p.m.
Invariant Objects for Dynamical Systems.
John W Robertson*, Wichita State University
(10303729)

3:30 p.m.
Solenoids and adding machines in Hamiltonian Systems.
Kenneth R. Meyer*, University of Cincinnati
(10303719)

4:00 p.m.
Solenoidal minimal sets in foliations.
Steven Hurder*, University of Illinois at Chicago
(10303794)

4:30 p.m.
Pathological foliations, revisited.
Amie Wilkinson*, Northwestern University
(103037287)

5:00 p.m.
Homology of Invariant Foliations.
Radu Saghin*, University of Toronto
(103037241)

5:30 p.m.
Harmonic functions and Brownian motion on foliated manifolds.
Renato Feres*, Washington University
Sergio Fenley, Florida State University
Kamlesh Parwani, University Of Missouri, St. Louis
(103037174)

Friday October 5, 2007, 2:30 p.m.5:50 p.m.
Special Session on Ergodic Theory and Symbolic Dynamical Systems, II
Room 8014, DePaul Center Organizers: Ayse A. Sahin, DePaul University asahin@condor.depaul.edu
Ilie D. Ugarcovici, DePaul University iugarcov@depaul.edu

2:30 p.m.
Reduction theory and coding of geodesics.
Svetlana Katok*, The Pennsylvania State University
(103037354)

3:00 p.m.
Selfsimilar tiling systems, topological factors and expansion constants.
Maria Isabel Cortez*, Universidad de Santiago de Chile
Fabien Durand, Université de Picardie Jules Verne, France.
(103037231)

3:30 p.m.
The dynamics of model sets.
E Arthur Robinson*, George Washington University
(103037328)

4:00 p.m.
Weak equivalence for shifts of finite type.
Andrew Dykstra*, Colorado State University
Joseph Barth, University of Maryland
(103037168)

4:30 p.m.
Property A and Krieger equivalence classes in higher dimensional subshifts.
Sam Lightwood*, Western Connecticut State University
(103037412)

5:00 p.m.
A class of higher dimensional shifts of finite type which factor onto the full shift.
Angela V Desai*, University of Montevallo
(103037363)

5:30 p.m.
RecursiveTheoretic Aspects of Multidimensional Symbolic Dynamics.
Michael Hochman*, Princeton University
(103037259)

Friday October 5, 2007, 2:30 p.m.5:45 p.m.
Special Session on Automorphic Forms: Representation Theory of padic and Adelic Groups, II
Room 1207, Lewis Center Organizers: Mahdi Asgari, Oklahoma State University asgari@math.okstate.edu
Anantharam Raghuram, Oklahoma State University araghur@math.okstate.edu

2:30 p.m.
The local Langlands conjecture for GSp(4).
Shuichiro Takeda*, University of California, San Diego/Ben Gurion University of the Negev.
Wee Teck Gan, University of California, San Diego
(103011269)

3:00 p.m.
Liftings of Representations of Finite Groups with Applications to $p$adic Base Change.
Joshua M. Lansky*, American University
Jeffrey D. Adler, American University
(103022179)

3:30 p.m.
Shalika models and functoriality.
Yujun Qin*, Department of Mathematics, East China Normal University
(103020138)

4:00 p.m.
Determining "good test vectors" for the doubling method applied to the groups ${\rm Sp}_2(F)$ and $\widetilde{{\rm Sp}_2}(F)$.
Christian A Zorn*, The Ohio State University
(103022294)

4:30 p.m.
The existence of Bessel models for GSp(4).
Ramin TaklooBighash*, University of Illinois at Chicago
(103011272)

5:00 p.m.
Some Local Consequences of Functoriality.
Freydoon Shahidi*, Purdue University
(103011279)

Friday October 5, 2007, 2:30 p.m.5:50 p.m.
Special Session on Wave Propagation from Mathematical and Numerical Viewpoints, II
Room 8009, DePaul Center Organizers: Gabriel Koch, University of Chicago koch@math.uchicago.edu
Catalin Constantin Turc, Caltech and University of North Carolina at Charlotte turc@acm.caltech.edu
Nicolae Tarfulea, Purdue University Calumet tarfulea@calumet.purdue.edu

2:30 p.m.
Twodimensional water wave patterns.
Min Chen*, Purdue University
(10307684)

3:00 p.m.
Symmetry Breaking of Ground States in Nonlinear Schroedinger Equation.
Eduard Kirr*, University of Illinois at UrbanaChampaign
M. I. Weinstein, Columbia University
P. Kevrekidis, University of Massachussetts
E. Shlizerman, Weizmann Institute
(103035204)

3:30 p.m.
On a class of nonlinear waveparticle solutions of integrable systems.
Mikhail Kovalyov*, University of Alberta, Canada
(103035254)

4:00 p.m.
Break

4:30 p.m.
Travel Time and Tensor Tomography.
Plamen Stefanov*, Purdue University
(103053228)

5:00 p.m.
A Coupled System of ODEs and Quasilinear Hyperbolic PDEs Arising in a Multiscale Blood Flow Model.
Wei H Ruan*, Purdue University Calumet
(103035296)

5:30 p.m.
Maxwell's equations in nonlinear media.
Aurelia Minut*, U.S. Naval Academy
(103035351)

Friday October 5, 2007, 3:00 p.m.5:50 p.m.
Special Session on Algorithmic Probability and Combinatorics, II
Room 1006, Lewis Center Organizers: Manuel Lladser, University of Colorado lladser@colorado.edu
Robert S. Maier, University of Arizona rsm@math.arizona.edu

3:00 p.m.
Transforming and reducing Dfinite combinatorial sequences.
Robert S. Maier*, University of Arizona
(103005403)

3:30 p.m.
Systematic Asymptotic Enumeration of Regular Structures.
Marni Mishna*, Dept. Mathematics, Simon Fraser University
(103005357)

4:00 p.m.
On the Congruences of Combinatorial Numbers.
ShuChung Liu*, Department of Applied Mathematics, National Hsinchu University of Education, Hsinchu, Taiwan
SenPeng Eu, Department of Applied Mathematics, National University of Kaohsiung, Kaohsiung, Taiwan
YeongNan Yeh, Institute of Mathematics, Academia Sinica, Taipei, Taiwan
(103005387)

4:30 p.m.
Planar tableaux in a strip as an exactly solvable model.
Yuliy Baryshnikov*, Bell Labs
Dan Romik, Hebrew University
(103060234)

5:00 p.m.
Asymptotic Enumeration of Trapping Sets in Random Tanner Graph Ensembles.
Olgica Milenkovic*, University of Illinois, UrbanaChampaign
Emina Soljanin, AlcatelLucent, Bell Labs Technology
Philip Whiting, AlcatelLucent, Bell Labs Technologies
(103005233)

5:30 p.m.
Discussion

Friday October 5, 2007, 3:00 p.m.5:45 p.m.
Special Session on Algebraic Geometry, II
Room 8209, DePaul Center Organizers: Lawrence Man Hou Ein, University of Illinois at Chicago ein@math.uic.edu
Anatoly S. Libgober, University of Illinois at Chicago libgober@math.uic.edu
Inquiries: meet@ams.org

