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Current as of Tuesday, April 12, 2005 15:21:45

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

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2004 Fall Central Section Meeting
Evanston, IL, October 23-24, 2004
Meeting #1001

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

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Sunday October 24, 2004

• Sunday October 24, 2004, 7:30 a.m.-12:00 p.m.
  Meeting Registration
  Lobby, Technological Institute
• Sunday October 24, 2004, 7:30 a.m.-12:00 p.m.
  Exhibit and Book Sale
  Room L 150, Technological Institute
• Sunday October 24, 2004, 8:00 a.m.-10:50 a.m.
  Special Session on Algebraic Topology: Interactions with Representation Theory and Algebraic Geometry, III
  Room LG 68, Technological Institute
  Organizers:
  Paul G. Goerss, Northwestern University pgoerss@math.northwestern.edu
  Jesper Kragh Grodal, University of Chicago jg@math.uchicago.edu
  Brooke E. Shipley, University of Illinois at Chicago bshipley@math.uic.edu
  

  • 8:00 a.m.
    Some connected covers of the specturm tmf(3).
    Mark Mahowald*, Northwestern University
    Charles Rezk, University of Illinois
    (1001-55-325)
  • 8:30 a.m.
    Algebraic $K$-theory and sums-of-squares formulas.
    Daniel C Isaksen*, Wayne State University
    Daniel Dugger, University of Oregon
    (1001-55-171)
  • 9:00 a.m.
    Break.
  • 9:30 a.m.
    Free $p$--group actions on products of spheres.
    \"{O}zg\"{u}n \"{U}nl\"{u}*, McMaster University
    (1001-57-310)
  • 10:00 a.m.
    Dyer-Lashof operations in the string topology of spheres and projective spaces.
    Craig Westerland*, Institute for Advanced Study
    (1001-55-64)
  • 10:30 a.m.
    Representation- and character theory in 2-categories.
    Nora Ganter*, UIUC
    Mikhail Kapranov, Yale
    (1001-55-322)
• Sunday October 24, 2004, 8:00 a.m.-11:20 a.m.
  Special Session on Solving Polynomial Systems, III
  Room G 43, Donald P. Jacobs Center
  Organizers:
  Anton Leykin, University of Illinois at Chicago leykin@math.uic.edu
  Jan Verschelde, University of Illinois at Chicago jan@math.uic.edu
  

  • 8:00 a.m.
    The maximum likelihood degree and the likelihood equations.
    Fabrizio Catanese, Universitaet Bayreuth
    Serkan Hosten*, San Francisco State University, Mathematics Department
    Amit Khetan, University of Massachusetts, Amherst
    Bernd Sturmfels, University of California, Berkeley
    (1001-14-164)
  • 8:30 a.m.
    Reconstructing dynamical systems from their zeta functions.
    Christopher J Hillar*, U.C. Berkeley
    (1001-12-121)
  • 9:00 a.m.
    Resultants of Sparse Polynomials and Toric Vanishing Theorems.
    Amit Khetan*, University of Massachusetts Amherst
    (1001-14-57)
  • 9:30 a.m.
    On Smale's 6th Problem: A solution in the four-body case.
    Marshall E Hampton*, University of Minnesota
    Richard Moeckel, University of Minnesota
    (1001-37-119)
  • 10:00 a.m.
    Cellular Exclusion Algorithms for Polynomial Systems.
    Eugene L. Allgower*, Colorado State University
    Kurt Georg, deceased
    (1001-65-195)
  • 10:30 a.m.
    Solving the Polynomial Equations of the Geometric Design Problem of the Spatial 3R Mechanisms.
    Eric C Lee*, Northeastern University
    Constantinos Mavroidis, Northeastern University
    (1001-14-421)
  • 11:00 a.m.
    Using Polynomial Homotopy Method to Mechanism Synthesis.
    Hai-Jun Su*, University of California, Irvine
    (1001-08-129)
• Sunday October 24, 2004, 8:30 a.m.-10:50 a.m.
  Special Session on Iterated Function Systems and Analysis on Fractals, III
  Room L 160, Technological Institute
  Organizers:
  Ka-Sing Lau, Chinese University of Hong Kong kslau@math.cuhk.edu.hk
  Stephen S.-T. Yau, University of Illinois at Chicago yau@uic.edu
  

  • 8:30 a.m.
    Gaussian Random Fields and Salem Sets.
    Yimin Xiao*, Michigan State University
    (1001-60-81)
  • 9:00 a.m.
    Break
  • 9:30 a.m.
    General finite type IFS and M-matrix.
    Stephen S.T. Yau*, Dept. of Math. Stat. & Computer Sci., University of Illinois at Chicago
    Ning Jin, Dept. of Math., Nanjing University, China
    (1001-37-11)
  • 10:00 a.m.
    A generalized finite type condition for iterated function systems.
    Ka-Sing Lau, Department of Mathematics, The Chinese University of Hong Kong
    Sze-Man Ngai*, Department of Mathematical Sciences, Georgia Southern University
    (1001-28-112)
  • 10:30 a.m.
    Asymptotical Geometry of Cantor Systems.
    Yunping Jiang*, CUNY/CAS
    (1001-37-77)
• Sunday October 24, 2004, 8:30 a.m.-11:20 a.m.
  Special Session on Nonlinear Waves, III
  Room L R2, Technological Institute
  Organizers:
  Jerry L. Bona, University of Illinois at Chicago bona@math.uic.edu
  Shuming Sun, Virginia Polytechnic Institute and State University sun@math.vt.edu
  Bingyu Zhang, University of Cincinnati bzhang@math.uc.edu
  

  • 8:30 a.m.
    On the persistence of KdV solitons in the unstable dynamics of inclined film flow.
    Robert L Pego*, Carnegie Mellon University
    Guido Schneider, Mathematisches Institut I, Universit\"at Karlsruhe
    Hannes Uecker, Mathematisches Institut I, Universit\"at Karlsruhe
    (1001-35-357)
  • 9:00 a.m.
    Stability of solitary-wave solutions for the Ostrovsky equation with weak rotation.
    Yue Liu*, University of Texas at Arlington
    (1001-35-50)
  • 9:30 a.m.
    Long-time Soliton Dynamics of Variable Bottom KdVs.
    Steven Ivan Dejak*, University of Toronto, Toronto, Canada
    I. M. Sigal, University of Notre Dame and University of Toronto
    (1001-35-377)
  • 10:00 a.m.
    Existence and stability of periodic travelling-wave solutions of the Benjamin equation.
    Borys Alvarez*, University of Illinois at Chicago
    Jaime Angulo, IMECC - UNICAMP, Brazil
    (1001-35-58)
  • 10:30 a.m.
    Higher-Order Stability of Solitary Waves.
    Nghiem V. Nguyen*, University of Oklahoma/ Purdue University
    John P. Albert, University of Oklahoma
    Jerry L. Bona, University of Illinois at Chicago
    Yue Liu, University of Texas at Arlington
    (1001-35-304)
  • 11:00 a.m.
    Asymptotic Stability of Nonlinear Schr\"odinger Equations with Potential.
    Gang Zhou*, University of Notre Dame & University of Toronto
    I M Sigal, University of Notre Dame & University of Toronto
    (1001-35-376)
• Sunday October 24, 2004, 8:30 a.m.-10:45 a.m.
  Special Session on Mathematical Problems in Robotics, III
  Room A 110, Technological Institute
  Organizers:
  Robert W. Ghrist, University of Illinois at Urbana-Champaign ghrist@math.uiuc.edu
  

  • 8:30 a.m.
    Braid groups of graphs: some new results.
    Aaron D. Abrams*, MSRI and Emory University
    (1001-57-402)
  • 9:00 a.m.
    Protein Similarity from Isotopic Line Weavings.
    Michael A. Erdmann*, Carnegie Mellon University
    (1001-92-213)
  • 9:30 a.m.
    Optimal Robot Navigation Without Measuring Distances.
    Steven M. LaValle*, University of Illinois at Urbana-Champaign
    Benjamin Tovar, University of Illinois at Urbana-Champaign
    Luis Guilamo, University of Illinois at Urbana-Champaign
    Rafael Murrieta, University of Illinois at Urbana-Champaign
    (1001-68-364)
  • 10:00 a.m.
    Algorithms for Neural Prosthetics.
    Joel W Burdick*, California Institute of Technology
    (1001-92-370)
• Sunday October 24, 2004, 8:30 a.m.-10:50 a.m.
  Special Session on Algebraic Representations and Deformations, III
  Room LG 52, Technological Institute
  Organizers:
  Stephen R. Doty, Loyola University of Chicago doty@math.luc.edu
  Anthony Giaquinto, Loyola University of Chicago tonyg@math.luc.edu
  

  • 8:30 a.m.
    The Noncommutative Ward Correspondence.
    K. C. Hannabuss, Balliol College, University of Oxford
    S. J. Brain*, St Cross College, University of Oxford
    (1001-51-260)
  • 9:00 a.m.
    Applications of the path model.
    Arun Ram*, Department of Mathematics, University of Wisconsin, Madison
    (1001-17-269)
  • 9:30 a.m.
    New examples of quantum ${\mathbb P}^3$ with finitely many points.
    Darin R. Stephenson*, Hope College
    Michaela Vancliff, University of Texas at Arlington
    (1001-16-229)
  • 10:00 a.m.
    An Algebro-Geometric Method for Constructing Clifford Quantum~${\mathbb{P}}^3$s with a Predetermined Finite Point Scheme.
    Darin R Stephenson, Hope College, MI
    Michaela Vancliff*, Univ. of Texas at Arlington
    (1001-16-250)
  • 10:30 a.m.
    Flat Monoids and Deformations of a Semisimple Group.
    Lex E. Renner*, University of Western Ontario
    (1001-20-110)
• Sunday October 24, 2004, 8:30 a.m.-11:20 a.m.
  Special Session on Mathematical Techniques in Musical Analysis, III
  Auditorium, Technological Institute
  Organizers:
  Judith Baxter, University of Illinois at Chicago baxter@uic.edu
  Richard Cohn, University of Chicago r-cohn@uchicago.edu
  Robert Peck, Louisiana State University rpeck@lsu.edu
  

  • 8:30 a.m.
    Discussion
  • 9:30 a.m.
    From Rhythmic Canons to Fuglede's conjecture.
    Emmanuel Amiot*, Perpignan, France
    (1001-12-114)
  • 10:30 a.m.
    Measuring Musical Dissimilarity: First and Second Order Center of Effect (CE) Differences Inside the Spiral Array.
    Elaine Chew*, University of Southern California Viterbi School of Engineering, Epstein Dep of Industrial and Systems Engineering
    (1001-15-416)
• Sunday October 24, 2004, 8:30 a.m.-11:20 a.m.
  Special Session on Hopf Algebras at the Crossroads of Algebra, Category Theory, and Topology, III
  Room G 45, Donald P. Jacobs Center
  Organizers:
  Louis H. Kauffman, University of Illinois at Chicago kauffman@uic.edu
  David E. Radford, University of Illinois at Chicago radford@uic.edu
  Fernando J. O. Souza, University of Iowa fernando-souza@uiowa.edu
  

  • 8:30 a.m.
    Central Braided Hopf Algebras.
    Peter C Schauenburg*, Mathematisches Institut der Universit\"at M\"unchen
    (1001-16-186)
  • 9:00 a.m.
    Central Invariants and Higer Indicators for Semi-simple Quasi-Hopf Algebras.
    Siu-Hung Ng*, Iowa State University
    Peter Schauenburg, Mathematisches Institut Der Universit\"{a}t M\"{u}nchen
    (1001-16-380)
  • 9:30 a.m.
    Canonical central elements in quasi-triangular Hopf algebras.
    Thomas Kerler*, The Ohio State University
    (1001-16-287)
  • 10:00 a.m.
    On integrals and trace functions for Hopf-algebra objects in symmetric, traced categories.
    Fernando J. O. Souza*, University of Iowa
    (1001-16-420)
  • 10:30 a.m.
    About categories of matched pairs and Singer pairs of Hopf algebras.
    Mitja Mastnak*, Dalhousie University
    (1001-16-347)
  • 11:00 a.m.
    A uniqueness property for quantizations of Teichm\"uller spaces.
    Hua Bai*, University of Southern California
    (1001-17-202)
• Sunday October 24, 2004, 8:30 a.m.-11:20 a.m.
  Special Session on Extremal Combinatorics, III
  Room G 36, Donald P. Jacobs Center
  Organizers:
  Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu
  Yi Zhao, University of Illinois at Chicago zhao@math.uic.edu
  

  • 8:30 a.m.
    Optimal Graph Labellings: Edge-bandwidth of graphs.
    Jozsef Balogh*, The Ohio State University, Columbus, OH
    Dhruv Mubayi, University of Illinois at Chicago
    Andras Pluhar, University of Szeged, Szeged, Hungary
    (1001-05-303)
  • 9:00 a.m.
    Channel Assignments for Infinite Graphs.
    Jerrold R. Griggs*, University of South Carolina
    Xiaohua Teresa Jin, University of South Carolina
    (1001-05-247)
  • 9:30 a.m.
    On colored arithmetic progressions.
    Maria Axenovich*, Iowa State University
    (1001-05-154)
  • 10:00 a.m.
    The Steiner Problem in the hypercube.
    Tao Jiang*, Miami University, Oxford, Ohio
    Dan Pritikin, Miami University, Oxford, Ohio
    (1001-05-136)
  • 10:30 a.m.
    Convex crossing numbers, circular arrangement problem, and isoperimetric functions.
    Eva Czabarka, College of William & Mary
    Ondrej Sykora, Loughborough University
    Laszlo Szekely*, University of South Carolina
    Imrich Vrto, Institute of Informatics, Slovak Academy of Sciences
    (1001-05-197)
  • 11:00 a.m.
    Families with forbidden inclusion pattern.
    Gyula O.H. Katona*, University of South Carolina, Columbia, SC and R\'enyi Institute, Budapest,
    (1001-05-429)
• Sunday October 24, 2004, 8:30 a.m.-11:20 a.m.
  Special Session on Fluid Dynamics, Diffusion and Reaction, III
  Room M 177, Technological Institute
  Organizers:
  Peter S. Constantin, University of Chicago const@cs.uchicago.edu
  Leonid V. Ryzhik, University of Chicago ryzhik@math.uchicago.edu
  

  • 8:30 a.m.
    A variational principle based study of KPP front speeds in random shear flows.
    Jack Xin*, University of Texas
    (1001-35-173)
  • 9:30 a.m.
    Estimates in singularly perturbed models for diffusion flames.
    Jean-Michel Roquejoffre*, Université Paul Sabatier Toulouse
    (1001-35-378)
  • 10:30 a.m.
    Quenching of combustion by fluid flow.
    Alexander Kiselev*, University of Wisconsin, Madison
    (1001-35-255)
• Sunday October 24, 2004, 8:30 a.m.-10:55 a.m.
  Special Session on Geometric Partial Differential Equations, II
  Room L R5, Technological Institute
  Organizers:
  Gui-Qiang Chen, Northwestern University gqchen@math.northwestern.edu
  Jared Wunsch, Northwestern University jwunsch@math.northwestern.edu
  

  • 8:30 a.m.
    Asymptotics of neckpinching in Ricci flow.
    Sigurd B Angenent*, Math Dept/UW Madison
    (1001-53-236)
  • 9:00 a.m.
    Ideal boundary conditions and intersection cohomology.
    Eugenie Hunsicker*, Lawrence University
    (1001-35-259)
  • 9:30 a.m.
    The Bernstein problem in the Heisenberg group.
    Nicola Garofalo*, Purdue University
    Scott Pauls, Dartmouth University
    (1001-51-165)
  • 10:00 a.m.
    Resolvents of elliptic cone operators.
    Juan B Gil*, Penn State Altoona
    Thomas Krainer, University of Potsdam, Germany
    Gerardo A Mendoza, Temple University
    (1001-58-246)
  • 10:30 a.m.
    Gluing and comparison formulae for the spectral invariants of Dirac operators on compact and noncompact manifolds.
    Paul A Loya*, SUNY Binghamton
    (1001-58-49)
• Sunday October 24, 2004, 8:30 a.m.-11:20 a.m.
  Special Session on Computability Theory and Applications, III
  Room G 03, Donald P. Jacobs Center
  Organizers:
  Robert I. Soare, University of Chicago soare@math.uchicago.edu
  Denis R. Hirschfeldt, University of Chicago drh@math.uchicago.edu
  

  • 8:30 a.m.
    The existential theory of the jump-usl of Turing degrees with least element.
    Manuel Lerman*, University of Connecticut
    (1001-03-62)
  • 9:00 a.m.
    What is computability for physical systems?
    Anil Nerode*, Department of Mathematics, Cornell University
    (1001-03-185)
  • 9:30 a.m.
    On Fra\"{\i}ss\'{e}'s conjecture and some equivalent statements.
    Antonio Montalban*, Cornell University
    (1001-03-80)
  • 10:00 a.m.
    Mass Problems to the Rescue!
    Stephen G. Simpson*, Department of Mathematics, Pennsylvania State University
    (1001-03-98)
  • 10:30 a.m.
    Invariance and degree in the lattice of $\Pi^0_1$ classes.
    Rebecca Weber*, Penn State
    (1001-03-92)
  • 11:00 a.m.
    An Application of Kolmogorov Complexity to the Structure of Scott Sets.
    Theodore A. Slaman*, University of California, Berkeley
    (1001-03-143)
• Sunday October 24, 2004, 9:00 a.m.-10:50 a.m.
  Special Session on Differential Geometry, III
  Room MG 28, Technological Institute
  Organizers:
  Anders Ingemar Linner, Northern Illinois University linner@math.northwestern.edu
  Hongyou Wu, Northern Illinois University wu@math.niu.edu
  

  • 9:00 a.m.
    Cylindrical Contact Homology of Subcritical Stein-fillable Contact Manifolds.
    Mei-Lin Yau*, Michigan State University
    (1001-57-36)
  • 9:30 a.m.
    Mixed Dimensional Compactness and $\mathbb{R}^n X \mathbb{S} ^{n-1}$ Sphere Bundle Measures.
    Simon P Morgan*, University of Minnesota
    (1001-53-09)
  • 10:00 a.m.
    The Theorema Egregium for $\nu$-Gaussian curvatures.
    Matias Navarro*, Facultad de Matematicas, Universidad Autonoma de Yucatan
    F Sanchez-Bringas, Facultad de Ciencias, UNAM
    (1001-53-34)
  • 10:30 a.m.
    Comparison theorems for generalized Riccati equations and applications.
    Libin Mou*, Bradley University
    (1001-53-214)
• Sunday October 24, 2004, 9:00 a.m.-10:50 a.m.
  Special Session on Spectral Problems of Differential Operators, III
  Room M 128, Technological Institute
  Organizers:
  Qingkai Kong, Northern Illinois University kong@math.niu.edu
  Hongyou Wu, Northern Illinois University wu@math.niu.edu
  Anton Zettl, Northern Illinois University zettl@math.niu.edu
  

  • 9:00 a.m.
    Simple and double eigenvalues of the Hill operator with a two term potential.
    Boris Mityagin*, Department of Mathematics, the Ohio State University
    Plamen Djakov,
    (1001-47-226)
  • 10:00 a.m.
    Asymptotics of spectral gaps of 1D periodic Schroedinger operators with two term potentials.
    Plamen Djakov*, Sofia University
    Boris Mityagin, The Ohio State University
    (1001-47-26)
  • 10:30 a.m.
    Abstract Left-Definite Theory for Positive Self-Adjoint Operators.
    L. L. Littlejohn*, Department of Mathematics and Statistics, Utah State University
    (1001-34-302)
• Sunday October 24, 2004, 9:00 a.m.-10:50 a.m.
  Special Session on Geometric Aspects of the Langlands Program, III
  Room L 251, Technological Institute
  Organizers:
  Edward Frenkel, University of California Berkeley frenkel@math.berkeley.edu
  Dennis Gaitsgory, University of Chicago gaitsgde@math.uchicago.edu
  Mark Goresky, Institute for Advanced Study goresky@ias.edu
  Kari Vilonen, Northwestern University vilonen@math.northwestern.edu
  

  • 9:00 a.m.
    Towards higher-dimensional Langlands correspondence.
    Mikhail Kapranov*, Yale University
    (1001-14-362)
  • 10:00 a.m.
    Applications of Motivic Integration to Representation Theory.
    Thomas C Hales*, University of Pittsburgh
    (1001-22-219)
• Sunday October 24, 2004, 9:00 a.m.-11:20 a.m.
  Special Session on Modern Schubert Calculus, III
  Room G 44, Donald P. Jacobs Center
  Organizers:
  Ezra Miller, University of Minnesota ezra@math.umn.edu
  Frank Sottile, Texas A&M University sottile@math.tamu.edu
  

  • 9:00 a.m.
    Equivariant cohomology of the Quot scheme.
    Tom Braden*, University of Massachusetts, Amherst
    Linda Chen, Ohio State University
    Frank Sottile, Texas A&M University
    (1001-14-324)
  • 9:30 a.m.
    The T-equivariant cohomology of cell complexes and the case of infinite Grassmannians.
    Megumi Harada*, University of Toronto
    (1001-53-228)
  • 10:00 a.m.
    Mirkovic-Vilonen cycles and polytopes.
    Joel Kamnitzer*, University of California, Berkeley
    (1001-22-307)
  • 10:30 a.m.
    Generalizing group exponents using the topology of subvarieties of the flag variety.
    Julianna S Tymoczko*, University of Michigan
    (1001-14-428)
  • 11:00 a.m.
    Some new results on Thom polynomials.
    Richard Rimanyi*, University of North Carolina at Chapel Hill
    (1001-14-321)
• Sunday October 24, 2004, 9:00 a.m.-11:20 a.m.
  Special Session on Representation Theory of Reductive Groups, III
  Room LG 66, Technological Institute
  Organizers:
  Jeffrey D. Adler, University of Akron adler@uakron.edu
  Ju-Lee Kim, University of Illinois at Chicago julee@math.uic.edu
  

  • 9:00 a.m.
    Transfer of generic representations from $GSp(4)$ to $GL(4)$.
    Mahdi Asgari*, Institute for Advanced Study
    (1001-11-314)
  • 9:30 a.m.
    Local newforms for GSp(4).
    Brooks Roberts*, University of Idaho
    Ralf Schmidt, University of Oklahoma
    (1001-22-105)
  • 10:00 a.m.
    Saito-Kurokawa representations of $PGSp_4$ and its inner forms.
    Wee Teck Gan*, University of California, San Diego
    (1001-22-346)
  • 10:30 a.m.
    Functoriality and applications.
    Muthu Krishnamurthy*, University of Michigan
    (1001-11-354)
  • 11:00 a.m.
    Base Change and K-types for U(3).
    Joshua Michael Lansky*, American University
    Jeffrey D. Adler, University of Akron
    (1001-22-398)
• Sunday October 24, 2004, 9:00 a.m.-11:20 a.m.
  Special Session on Low-Dimensional Topology and Kleinian Groups, III
  Room LG 76, Technological Institute
  Organizers:
  Ian Agol, University of Illinois at Chicago agol@math.uic.edu
  John Holt, University of Illinois at Chicago jholt@math.uic.edu
  Saul Schleimer, University of Illinois at Chicago saul@math.uic.edu
  

  • 9:00 a.m.
    Discussion
  • 9:30 a.m.
    Distribution of length segments for a random geodesic.
    Martin Bridgeman*, Boston College
    David Dumas, Harvard University
    (1001-00-432)
  • 10:00 a.m.
    Towards a classification of Primitive/Seifert-Fibered tunnel number one knots.
    John O. Berge*, Madison, WI
    (1001-57-366)
  • 10:30 a.m.
    Punctured torus quasifuchsian groups.
    Francois Gueritaud*, University of Southern California
    (1001-57-330)
  • 11:00 a.m.
    Heegaard splittings and hyperbolic geometry.
    Hossein Namazi*, Yale University and Stony Brook University
    (1001-57-422)
• Sunday October 24, 2004, 9:00 a.m.-11:25 a.m.
  Special Session on Special Functions, Orthogonal Polynomials, and their Applications, III
  Room L 158, Technological Institute
  Organizers:
  George Gasper, Northwestern University george@math.northwestern.edu
  Ahmed I. Zayed, DePaul University azayed@math.depaul.edu
  

  • 9:00 a.m.
    A Generalization of the Prolate Spheroidal Wave Functions.
    Ahmed I Zayed*, DePaul University
    (1001-33-316)
  • 9:30 a.m.
    A new method of calculating values of prolate spheroidal wave functions.
    Gilbert G. Walter*, UW-Milwaukee
    Tatiana Soleski, UW-Milwaukee
    (1001-41-72)
  • 10:00 a.m.
    A new approach to the orthogonality of the Laguerre and Hermite polynomials.
    Slobodan B. Trickovic*, University of Nis, Serbia
    Miomir S. Stankovic, University of Nis, Serbia
    (1001-33-16)
  • 10:30 a.m.
    Asymptotic analysis of the Krawtchouk polynomials by the WKB method.
    Diego Dominici*, SUNY New Paltz
    (1001-41-28)
  • 11:00 a.m.
    Analysis of the Paraxial Wave Equation: An Application of Special Functions.
    Pete A McCoy*, U.S. Naval Academy
    Reza Malek-Madani, U.S. Naval Academy
    (1001-33-153)
• Sunday October 24, 2004, 9:00 a.m.-10:50 a.m.
  Special Session on Codes and Applications, III
  Room G 42, Donald P. Jacobs Center
  Organizers:
  William C. Huffman, Loyola University of Chicago wch@math.luc.edu
  Vera S. Pless, University of Illinois at Chicago pless@math.uic.edu
  

  • 9:00 a.m.
    Constructing Optimal Linear Codes.
    Anton Betten*, Colorado State University
    (1001-05-208)
  • 9:30 a.m.
    On Optimal linear codes over GF(8).
    Christopher M Jones*, St. Mary's College of California
    (1001-94-75)
  • 10:00 a.m.
    Identifying codes and their cousins.
    Ari Trachtenberg*, Boston University
    (1001-94-298)
  • 10:30 a.m.
    Optimal Linear Codes over $Z_4$.
    Steven T. Dougherty, University of Scranton
    T. Aaron Gulliver*, University of Victoria
    (1001-94-340)
• Sunday October 24, 2004, 9:00 a.m.-10:55 a.m.
  Special Session on Nonlinear Partial Differential Equations and Applications, III
  Room L R3, Technological Institute
  Organizers:
  Gui-Qiang Chen, Northwestern University gqchen@math.northwestern.edu
  Mikhail Feldman, University of Wisconsin at Madison feldman@math.wisc.edu
  

  • 9:00 a.m.
    Plasma sheaths and their dynamics.
    M. Slemrod*, University of Wisconsin- Madison
    (1001-35-40)
  • 9:30 a.m.
    Regularity of solutions to anisotropic elliptic equations.
    Gary M Lieberman*, Iowa State University
    (1001-35-135)
  • 10:00 a.m.
    On a Multidimensional Model for the Dynamic Combustion of Compressible Reacting Flows.
    D. Donatelli, University of L'Aquila
    K. Trivisa*, University of Maryland at College Park
    (1001-35-93)
  • 10:30 a.m.
    Global Structure of Solutions to a Two-Dimensional System of Conservation Laws.
    Dehua Wang*, University of Pittsburgh
    (1001-35-90)
• Sunday October 24, 2004, 9:30 a.m.-11:20 a.m.
  Special Session on Stability Issues in Fluid Dynamics, III
  Room L R4, Technological Institute
  Organizers:
  Susan J. Friedlander, University of Illinois at Chicago susan@math.uic.edu
  Roman Shvydkoy, University of Illinois at Chicago shvydkoy@math.uic.edu
  

  • 9:30 a.m.
    Dynamic Bifurcation in Geophysical Fluid Dynamics.
    Tiian Ma, Indiana University and Sichuan University
    Shouhong Wang*, Indiana University
    (1001-76-336)
  • 10:00 a.m.
    Strange eigenmodes of linear operators occuring in stability theory.
    Raymond T Pierrehumbert*, The University of Chicago
    (1001-35-23)
  • 10:30 a.m.
    Stability of Lagrangian ideal flows.
    Stephane Leblanc*, LSEET/CNRS, University of Toulon-Var, France
    David Guimbard, LSEET/CNRS, University of Toulon-Var, France
    (1001-76-299)
  • 11:00 a.m.
    Ergodicity of the degenerately forced Stochastic Navier--Stokes Equations.
    Jonathan C Mattingly*, Mathematics Department, Duke University
    Etienne Pardoux, Universite de Provence
    Martin Hairer, University of Warwick, UK
    (1001-76-423)
• Sunday October 24, 2004, 9:30 a.m.-11:20 a.m.
  Special Session on Applications of Motives, III
  Room L 211, Technological Institute
  Organizers:
  Eric M. Friedlander, Northwestern University eric@math.northwestern.edu
  Alexander Goncharov, Brown University sasha@math.brown.edu
  Mikhail Kapranov, Yale University mikhail.kapranov@yale.edu
  Yuri Manin, Max Planck Institute for Mathematics manin@mpim-bonn.mpg.de
  

  • 9:30 a.m.
    Motivic tubular neighborhoods.
    Marc Levine*, Northeastern University
    (1001-14-117)
  • 10:30 a.m.
    K-theory of log-schemes.
    Wieslawa Krystyna Niziol*, University of Utah
    (1001-11-417)
• Sunday October 24, 2004, 9:30 a.m.-11:15 a.m.
  Special Session on Index Theory, Morse Theory, and the Witten Deformation Method, III
  Room L 221, Technological Institute
  Organizers:
  Igor Prokhorenkov, Texas Christian University i.prokhorenkov@tcu.edu
  Ken Richardson, Texas Christian University k.richardson@tcu.edu
  

  • 9:30 a.m.
    Equivalence of spectral projections in semiclassical limit and a vanishing theorem for higher traces in $K$-theory.
    Yuri Kordyukov, Institute of Mathematics, Russian Academy of Sciences, Ufa, Russia
    Varghese Mathai, University of Adelaide, Adelaide, Australia
    Mikhail Shubin*, Northeastern University, Boston, USA
    (1001-58-70)
  • 10:30 a.m.
    Morse Inequalitites, A Path Space Approach.
    Ionel Popescu*, Northwestern University / MIT
    (1001-53-427)
• Sunday October 24, 2004, 11:40 a.m.-12:30 p.m.
  Invited Address
  Khovanov homology and nilpotent slices.
  Auditorium, Technological Institute
  Paul Seidel*, Imperial College-London and University of Chicago
  (1001-00-04)
• Sunday October 24, 2004, 2:00 p.m.-2:50 p.m.
  Invited Address
  Two generator Kleinian groups.
  Auditorium, Technological Institute
  Ian Agol*, University of Illinois at Chicago
  (1001-57-331)
• Sunday October 24, 2004, 3:00 p.m.-4:20 p.m.
  Special Session on Stability Issues in Fluid Dynamics, IV
  Room L R4, Technological Institute
  Organizers:
  Susan J. Friedlander, University of Illinois at Chicago susan@math.uic.edu
  Roman Shvydkoy, University of Illinois at Chicago shvydkoy@math.uic.edu
  

  • 3:00 p.m.
    Nonlinear Instability of Ideal Plane Flows.
    Zhiwu Lin*, Courant Institute
    (1001-76-297)
  • 3:30 p.m.
    Linear Stability in an Ideal Incompressible Fluid.
    Yuri Latushkin*, Department of Mathematics, University of Missouri-Columbia
    (1001-76-134)
  • 4:00 p.m.
    Geometric optics spectral theory for advective equations.
    Roman Shvydkoy*, University of Illinois at Chicago
    (1001-35-240)
• Sunday October 24, 2004, 3:00 p.m.-5:20 p.m.
  Special Session on Iterated Function Systems and Analysis on Fractals, IV
  Room L 160, Technological Institute
  Organizers:
  Ka-Sing Lau, Chinese University of Hong Kong kslau@math.cuhk.edu.hk
  Stephen S.-T. Yau, University of Illinois at Chicago yau@uic.edu
  

  • 3:00 p.m.
    A Non-Additive Thermodynamic Formalism.
    Yakov Pesin, Penn State University
    Anna Mummert*, Penn State University
    (1001-37-19)
  • 3:30 p.m.
    Diophantine Approximation for Conformal Measures of One-Dimensional Iterated Function Systems.
    Mariusz Urbanski*, University of North Texas
    (1001-37-14)
  • 4:00 p.m.
    Complex Dimensions of Self-Similar Fractals: One-Dimensional Theory and the Example of the Koch Snowflake Curve in Two Dimensions.
    Michel L. Lapidus*, University of California, Riverside
    Erin P. J. Pearse, University of California, Riverside
    (1001-28-61)
  • 4:30 p.m.
    A tube formula for the Koch snowflake curve, with applications to complex dimensions.
    Michel L. Lapidus, University of California, Riverside
    Erin P.J. Pearse*, University of California, Riverside
    (1001-37-22)
  • 5:00 p.m.
    Housdorff Dimension of General Sierpinski Carpets in $R^m$.
    Ning Jin*, University of Illinois at Chicago, Chicago, IL 60607
    (1001-37-419)
• Sunday October 24, 2004, 3:00 p.m.-5:50 p.m.
  Special Session on Algebraic Topology: Interactions with Representation Theory and Algebraic Geometry, IV
  Room LG 68, Technological Institute
  Organizers:
  Paul G. Goerss, Northwestern University pgoerss@math.northwestern.edu
  Jesper Kragh Grodal, University of Chicago jg@math.uchicago.edu
  Brooke E. Shipley, University of Illinois at Chicago bshipley@math.uic.edu
  

  • 3:00 p.m.
    Automorphism groups of free groups with boundaries.
    Nathalie Wahl*, Aarhus University
    (1001-55-320)
  • 3:30 p.m.
    Parametrized equivariant stable homotopy theory.
    Johann Sigurdsson*, Univeristy of Notre Dame
    J. Peter May, The University of Chicago
    (1001-55-270)
  • 4:00 p.m.
    The Goodwillie derivatives of a monoid.
    Andrew Mauer-Oats*, Northwestern University
    (1001-55-334)
  • 4:30 p.m.
    The Circle-Equivariant Sigma Orientation.
    David Gepner*, University of Illinois Urbana-Champaign
    (1001-55-276)
  • 5:00 p.m.
    $\lambda$-ring structures over $\mathbf{Z} \lbrack \lbrack x \rbrack \rbrack$.
    Donald Y. Yau*, University of Illinois at Urbana-Champaign
    (1001-55-101)
  • 5:30 p.m.
    A report on weak n-categories.
    J. P. May*, The University of Chicago
    (1001-55-284)
• Sunday October 24, 2004, 3:00 p.m.-3:50 p.m.
  Special Session on Nonlinear Waves, IV
  Room L R2, Technological Institute
  Organizers:
  Jerry L. Bona, University of Illinois at Chicago bona@math.uic.edu
  Shuming Sun, Virginia Polytechnic Institute and State University sun@math.vt.edu
  Bingyu Zhang, University of Cincinnati bzhang@math.uc.edu
  

  • 3:00 p.m.
    A model for Landau damping in plasma physics.
    Thierry Colin*, University Bordeaux 1
    Radouin Belaouard, CEA-CESTA
    Gerard Gallice, CEA-CESTA
    Cedric Galusinski, University Bordeaux 1
    (1001-35-59)
  • 3:30 p.m.
    Forward stimulated Brillouin scattering instability of a spatially and temporally incoherent laser beam.
    Pavel M Lushnikov*, Department of Mathematics, University of Notre Dame
    (1001-78-375)
• Sunday October 24, 2004, 3:00 p.m.-5:15 p.m.
  Special Session on Mathematical Problems in Robotics, IV
  Room A 110, Technological Institute
  Organizers:
  Robert W. Ghrist, University of Illinois at Urbana-Champaign ghrist@math.uiuc.edu
  

  • 3:00 p.m.
    A Grammatical Approach to Self-Organizing Robotic Systems.
    Eric Klavins*, University of Washington
    (1001-68-172)
  • 3:30 p.m.
    Coverage, Complexity and Feasibility Issues in Mobile Sensor Networks.
    Abubakr Muhammad*, Georgia Institute of Technology, Atlanta, GA
    (1001-93-371)
  • 4:00 p.m.
    Deterministic Sampling Methods for Spheres and SO(3).
    Anna Yershova*, University of Illinois
    Steven M. LaValle, University of Illinois
    (1001-68-328)
  • 4:30 p.m.
    Collision-free motion planning.
    Michael Farber*, University of Durham, UK
    (1001-55-397)
• Sunday October 24, 2004, 3:00 p.m.-6:20 p.m.
  Special Session on Spectral Problems of Differential Operators, IV
  Room M 128, Technological Institute
  Organizers:
  Qingkai Kong, Northern Illinois University kong@math.niu.edu
  Hongyou Wu, Northern Illinois University wu@math.niu.edu
  Anton Zettl, Northern Illinois University zettl@math.niu.edu
  

  • 3:00 p.m.
    A Borg type theorem for matrix-valued supersymmetric Dirac difference operators.
    S Clark*, University of Missouri-Rolla
    F Gesztesy, University of Missouri-Columbia
    (1001-34-339)
  • 3:30 p.m.
    On Periodic Matrix-Valued Weyl-Titchmarsh Functions.
    Miron Bekker*, University of Missouri-Rolla
    Eduard Tsekanovskii, Niagara University
    (1001-47-157)
  • 4:00 p.m.
    The spectral function associated with Sturm-Liouville equations with potential of Wigner-von Neumann type.
    D. J. Gilbert, Dublin Institute of Technology
    B. J. Harris, Northern Illinois University
    S. M. Riehl*, University of Northern Iowa
    (1001-34-108)
  • 4:30 p.m.
    Right-definite half-linear Sturm-Liouville Problems.
    Lingju Kong*, Northern Illinois University, Dekalb, IL 60115
    Qingkai Kong, Northern Illinois University
    (1001-34-45)
  • 5:00 p.m.
    Break
  • 5:30 p.m.
    Geometric Aspects of Sturm-Liouville Problems, V. Natural Loops of Boundary Conditions for Monotonicity of Eigenvalues and Their Applications.
    Wu-Jian Peng, Northern Illinois University
    Mihai T. Racovitan*, Northern Illinois University
    Hong-You Wu, Northern Illinois University
    (1001-34-08)
  • 6:00 p.m.
    Discontinuous Boundary-Value Problems: Expansion and Sampling Theorems.
    Ahmed Zayed*, DePaul University
    M. Annaby, Cairo University
    G. Freiling, University of Duisburg
    (1001-34-430)
• Sunday October 24, 2004, 3:00 p.m.-4:50 p.m.
  Special Session on Geometric Aspects of the Langlands Program, IV
  Room L 251, Technological Institute
  Organizers:
  Edward Frenkel, University of California Berkeley frenkel@math.berkeley.edu
  Dennis Gaitsgory, University of Chicago gaitsgde@math.uchicago.edu
  Mark Goresky, Institute for Advanced Study goresky@ias.edu
  Kari Vilonen, Northwestern University vilonen@math.northwestern.edu
  

  • 3:00 p.m.
    On the stability of invariant distributions over local fields.
    David Kazhdan*, Hebrew university, Jerusaelm, Israel
    (1001-17-73)
  • 4:00 p.m.
    Uhlenbeck spaces for ${\mathbb A}^2$ and affine Lie algebras.
    Michael Finkelberg*, Independent Moscow University
    (1001-14-76)
• Sunday October 24, 2004, 3:00 p.m.-5:50 p.m.
  Special Session on Algebraic Representations and Deformations, IV
  Room LG 52, Technological Institute
  Organizers:
  Stephen R. Doty, Loyola University of Chicago doty@math.luc.edu
  Anthony Giaquinto, Loyola University of Chicago tonyg@math.luc.edu
  

  • 3:00 p.m.
    A q-Partition Algebra.
    Tom Halverson*, Macalester College
    Arun Ram, Univeristy of Wisconsin - Madison
    (1001-20-86)
  • 3:30 p.m.
    Hochschild cohomology of n-algebras and string topology.
    Alexander A Voronov*, University of Minnesota
    (1001-16-145)
  • 4:00 p.m.
    Deformations and Extensions of Infinity Algebras.
    Michael R. Penkava*, University of Wisconsin-Eau Claire
    (1001-17-257)
  • 4:30 p.m.
    Kronecker quiver and bases of quantum affine $sl_2$.
    Kevin McGerty*, University of Chicago
    (1001-16-356)
  • 5:00 p.m.
    Quantum group actions, R-matrices and deformations of algebras.
    Georgia Benkart, University of Wisconsin
    Sarah Witherspoon*, Texas A&M University
    (1001-16-169)
  • 5:30 p.m.
    The affine Birman-Wenzl-Murakami algebras and tangles in the solid torus.
    Frederick M. Goodman*, University of Iowa
    Holly Hauschild, University of Iowa
    (1001-16-387)
• Sunday October 24, 2004, 3:00 p.m.-5:20 p.m.
  Special Session on Modern Schubert Calculus, IV
  Room G 44, Donald P. Jacobs Center
  Organizers:
  Ezra Miller, University of Minnesota ezra@math.umn.edu
  Frank Sottile, Texas A&M University sottile@math.tamu.edu
  

  • 3:00 p.m.
    Eigenvalue problems and a new product in the cohomology of flag varieties.
    Prakash Belkale*, Department of Mathematics UNC, Chapel Hill, North Carolina, USA.
    Shrawan Kumar, Department of Mathematics, UNC Chapel Hill.
    (1001-14-295)
  • 3:30 p.m.
    A Horn-type Recursion for Minuscule Schubert Calculus.
    Kevin Purbhoo*, Fields Institute
    Frank Sottile, Texas A&M University
    (1001-14-147)
  • 4:00 p.m.
    Equivariant Quantum Schubert Calculus.
    Leonardo Constantin Mihalcea*, University of Michigan
    (1001-14-109)
  • 4:30 p.m.
    A New Combinatorial Model for the Equivariant $K$-theory of $G/P$.
    Cristian P. Lenart*, State University of New York at Albany
    (1001-22-53)
  • 5:00 p.m.
    Degrees of Schubert varieties.
    Alexander Postnikov*, MIT
    (1001-05-383)
• Sunday October 24, 2004, 3:00 p.m.-4:50 p.m.
  Special Session on Representation Theory of Reductive Groups, IV
  Room LG 66, Technological Institute
  Organizers:
  Jeffrey D. Adler, University of Akron adler@uakron.edu
  Ju-Lee Kim, University of Illinois at Chicago julee@math.uic.edu
  

  • 3:00 p.m.
    A construction of primitive ideals in enveloping algebras by explicit generators.
    Victor Protsak*, Department of Mathematics, University of Oklahoma
    (1001-17-319)
  • 3:30 p.m.
    Jacquet modules for $p$-adic general linear groups.
    Chris S. Jantzen*, East Carolina University
    (1001-22-46)
  • 4:00 p.m.
    Supercuspidal characters of $SL_\ell$ over a $p$-adic field, $\ell$ a prime.
    Loren R Spice*, University of Michigan
    (1001-22-116)
  • 4:30 p.m.
    On the local constancy of characters.
    Jonathan Korman*, Univ. of Toronto, Math. Dept.
    (1001-22-63)
• Sunday October 24, 2004, 3:00 p.m.-5:50 p.m.
  Special Session on Low-Dimensional Topology and Kleinian Groups, IV
  Room LG 76, Technological Institute
  Organizers:
  Ian Agol, University of Illinois at Chicago agol@math.uic.edu
  John Holt, University of Illinois at Chicago jholt@math.uic.edu
  Saul Schleimer, University of Illinois at Chicago saul@math.uic.edu
  

  • 3:00 p.m.
    Heegaard surfaces and measured laminations.
    Tao Li*, Oklahoma State University
    (1001-57-292)
  • 3:30 p.m.
    A combination theorem for Veech subgroups of the mapping class group.
    Christopher J. Leininger*, Columbia University
    Alan W. Reid, University of Texas at Austin
    (1001-51-198)
  • 4:00 p.m.
    Representation-volume rigidity for hyperbolic manifolds.
    Ben Klaff*, University of Texas at Austin
    (1001-57-329)
  • 4:30 p.m.
    Geometric tameness in word-hyperbolic closed three-manifold groups.
    Joshua B Barnard*, University of Oklahoma
    (1001-57-388)
  • 5:00 p.m.
    Teichmuller geodesics and Lines of Minima.
    Kasra Rafi*, University of California Santa Barbara
    Caroline Series, University of Warwick
    Young-Eun Choi,
    (1001-00-431)
  • 5:30 p.m.
    The Heegaard genus of a union of small manifolds.
    Eric Sedgwick*, DePaul University
    David Bachman, Pitzer College
    Saul Schleimer, Rutgers University
    (1001-57-369)
• Sunday October 24, 2004, 3:00 p.m.-4:25 p.m.
  Special Session on Special Functions, Orthogonal Polynomials, and their Applications, IV
  Room L 158, Technological Institute
  Organizers:
  George Gasper, Northwestern University george@math.northwestern.edu
  Ahmed I. Zayed, DePaul University azayed@math.depaul.edu
  

  • 3:00 p.m.
    Second-order superintegrable systems on conformally flat spaces.
    Willard Miller*, School of Mathematics, University of Minnesota
    (1001-33-96)
  • 3:30 p.m.
    The coexistence problem for the Heun equation.
    Hans W Volkmer*, Univeristy of Wisconsin-Milwaukee
    (1001-33-217)
  • 4:00 p.m.
    A nonlinear differential equation satisfied by modular forms with level 2.
    Heekyoung Hahn*, University of Rochester
    (1001-33-193)
• Sunday October 24, 2004, 3:00 p.m.-5:40 p.m.
  Special Session on Mathematical Techniques in Musical Analysis, IV
  Auditorium, Technological Institute
  Organizers:
  Judith Baxter, University of Illinois at Chicago baxter@uic.edu
  Richard Cohn, University of Chicago r-cohn@uchicago.edu
  Robert Peck, Louisiana State University rpeck@lsu.edu
  

  • 3:00 p.m.
    Towards a Meta-Physics of the Musical Mind: Canonical Formulation of Weber/Fechner's Law in Application to Tonal Music.
    Thomas Noll*, Technical University of Berlin
    (1001-22-359)
  • 4:00 p.m.
    Toward a General Theory of Key Signatures and Enharmonic Equivalence.
    Julian Hook*, Indiana University
    (1001-00-84)
  • 5:00 p.m.
    Piano technique and permutation groups.
    Lucian B. Zidaru*, Louisiana State University
    Robert W. Peck, Louisiana State University
    (1001-20-413)
• Sunday October 24, 2004, 3:00 p.m.-5:20 p.m.
  Special Session on Hopf Algebras at the Crossroads of Algebra, Category Theory, and Topology, IV
  Room G 45, Donald P. Jacobs Center
  Organizers:
  Louis H. Kauffman, University of Illinois at Chicago kauffman@uic.edu
  David E. Radford, University of Illinois at Chicago radford@uic.edu
  Fernando J. O. Souza, University of Iowa fernando-souza@uiowa.edu
  

  • 3:00 p.m.
    Hopf algebras at the crossroads: mathematical structure in quantum fields.
    Dirk Kreimer*, CNRS-IHES and Center for Math.Phys., Boston Univ.
    (1001-81-102)
  • 3:30 p.m.
    Representations of the Poincare 2-Group.
    Louis Crane*, Kansas State University
    (1001-18-215)
  • 4:00 p.m.
    Groupoid-enriched groupoid category, Frobenius algebra, and relativity.
    Zbigniew Oziewicz*, Universidad Nacional Autonoma de Mexico, Facultad de Estudios Superiores Cuautitlan
    (1001-18-160)
  • 4:30 p.m.
    On the Tensor Product of an Oriented Quantum Algebra with Itself.
    David E. Radford*, University of Illinois at Chicago
    (1001-16-384)
  • 5:00 p.m.
    Quantum Invariants of Virtual Knots and Links.
    Louis H Kauffman*, University of Illinois at Chicago
    (1001-57-286)
• Sunday October 24, 2004, 3:00 p.m.-3:50 p.m.
  Special Session on Extremal Combinatorics, IV
  Room G 36, Donald P. Jacobs Center
  Organizers:
  Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu
  Yi Zhao, University of Illinois at Chicago zhao@math.uic.edu
  

  • 3:00 p.m.
    Random geometric graph diameter threshold in the unit disk.
    Robert B. Ellis*, Texas A&M University
    Xingde Jia, Texas State University-San Marcos
    Jeremy L. Martin, University of Minnesota
    Catherine H. Yan, Texas A&M University
    (1001-05-391)
  • 3:30 p.m.
    On the abelian sandpile model.
    Evelin Toumpakari*, Department of Mathematics, University of Chicago
    (1001-05-403)
• Sunday October 24, 2004, 3:00 p.m.-5:50 p.m.
  Special Session on Fluid Dynamics, Diffusion and Reaction, IV
  Room M 177, Technological Institute
  Organizers:
  Peter S. Constantin, University of Chicago const@cs.uchicago.edu
  Leonid V. Ryzhik, University of Chicago ryzhik@math.uchicago.edu
  

  • 3:00 p.m.
    Travelling fronts in a Boussinesq system.
    Henri Berestycki*, EHESS
    (1001-35-312)
  • 4:00 p.m.
    Advection-diffusion for cellular flows at high Peclet number.
    Alexei Novikov*, Penn State University
    George Papanicolaou, Stanford University
    Lenya Ryzhik, University of Chicago
    (1001-76-233)
  • 5:00 p.m.
    Quenching and Propagation of Combustion Without Ignition Temperature Cutoff.
    Andrej Zlatos*, University of Wisconsin - Madison
    (1001-35-390)
• Sunday October 24, 2004, 3:00 p.m.-5:50 p.m.
  Special Session on Codes and Applications, IV
  Room G 42, Donald P. Jacobs Center
  Organizers:
  William C. Huffman, Loyola University of Chicago wch@math.luc.edu
  Vera S. Pless, University of Illinois at Chicago pless@math.uic.edu
  

  • 3:00 p.m.
    On Some Graph Theoretic Properties of LDPC Codes.
    Hossein Pishro-Nik*, Georgia Institute of Technology
    Faramarz Fekri, Georgia Institute of Technology
    (1001-05-252)
  • 3:30 p.m.
    Codes on graphs and hypergraphs.
    Alexander Barg*, University of Maryland
    (1001-94-426)
  • 4:00 p.m.
    Pseudocodewords, cycle codes, and the edge zeta function of graphs.
    Ralf Koetter*, University of Illinois at Urbana-Champaign
    Wen-Ching W Li, Pennsylvania State University
    Pascal O. Vontobel, University of Wisconsin
    Judy L. Walker, University of Nebraska
    (1001-94-414)
  • 4:30 p.m.
    LDPC codes obtained from quadratic surfaces of finite projective spaces.
    Keith E Mellinger*, University of Mary Washington
    Amanda Passmore, University of Mary Washington
    Jennifer Stovall, University of Mary Washington
    (1001-94-39)
  • 5:00 p.m.
    Problems in Combinatorial and Number Theory Related to LDPC Code Construction.
    Olgica Milenkovic*, ECE Department, University of Colorado, Boulder
    (1001-94-264)
  • 5:30 p.m.
    Results on Finite-Field Wavelets and Their Applications to Error Correcting Codes.
    Faramarz Fekri*, School of ECE, Georgia Institute of Technology
    Farshid Delgosha, School of ECE, Georgia Institute of Technology
    Mina Sartipi, School of ECE, Georgia Institute of Technology
    (1001-94-360)
• Sunday October 24, 2004, 3:00 p.m.-4:55 p.m.
  Special Session on Nonlinear Partial Differential Equations and Applications, IV
  Room L R3, Technological Institute
  Organizers:
  Gui-Qiang Chen, Northwestern University gqchen@math.northwestern.edu
  Mikhail Feldman, University of Wisconsin at Madison feldman@math.wisc.edu
  

  • 3:00 p.m.
    The phase transition between chiral nematic and smectic liquid crystals.
    Daniel Phillips*, Purdue University, Department of Mathematics
    Sookyung Joo, Institute for Mathematics and its Applications (IMA) , University of Minnesota
    (1001-35-167)
  • 3:30 p.m.
    Stability of undercompressive shock profiles.
    Peter Howard, Texas A. and M.
    Kevin Zumbrun*, Indiana University, Bloomington
    (1001-35-126)
  • 4:00 p.m.
    Structural properties of viscoelasticity and convergence to polyconvex elastodynamics.
    Corrado Lattanzio, Universita de L'Aquila
    Athanasios E. Tzavaras*, University of Wisconsin
    (1001-35-224)
  • 4:30 p.m.
    Critical Thresholds in Hyperbolic Balance Laws.
    Hailiang Liu*, Iowa State University
    (1001-35-277)
• Sunday October 24, 2004, 3:00 p.m.-5:25 p.m.
  Special Session on Geometric Partial Differential Equations, III
  Room L R5, Technological Institute
  Organizers:
  Gui-Qiang Chen, Northwestern University gqchen@math.northwestern.edu
  Jared Wunsch, Northwestern University jwunsch@math.northwestern.edu
  

  • 3:00 p.m.
    The Calder\'on problem with partial data.
    Gunther Uhlmann*, University of Washington
    (1001-35-115)
  • 3:30 p.m.
    Support Theorems For Generalizations of Radon Tranforms and Inverse Problems.
    Antonio C Sa Barreto*, Purdue University
    (1001-35-317)
  • 4:00 p.m.
    Picard modular groups in complex hyperbolic spaces.
    Gabor Francsics*, Michigan State University
    (1001-35-318)
  • 4:30 p.m.
    Integral geometry of tensor fields and the boundary rigidity problem.
    Plamen Stefanov*, Purdue University
    Gunther Uhlmann, University of Washington
    (1001-53-71)
  • 5:00 p.m.
    Harmonic Solutions to Some Fully Nonlinear Second Order PDEs on $\mathbb{R}^2$.
    Joseph L Shomberg*, University of Wisconsin - Milwaukee
    (1001-35-411)
• Sunday October 24, 2004, 3:00 p.m.-5:50 p.m.
  Special Session on Computability Theory and Applications, IV
  Room G 03, Donald P. Jacobs Center
  Organizers:
  Robert I. Soare, University of Chicago soare@math.uchicago.edu
  Denis R. Hirschfeldt, University of Chicago drh@math.uchicago.edu
  

  • 3:00 p.m.
    The low$_{n}$ and low$_{m}$ r.e.\ degrees are not elementarily equivalent.
    Richard A. Shore*, Cornell University
    (1001-03-66)
  • 3:30 p.m.
    Minimal wtt degrees and computably enumerable Turing degrees.
    Reed Solomon*, University of Connecticut
    Rodney Downey, Victoria University at Wellington
    (1001-03-122)
  • 4:00 p.m.
    Improving and Proving the Slaman-Woodin Conjecture.
    Peter Cholak*, University of Notre Dame
    Rod Downey, Victoria University (of Wellington, New Zealand)
    Leo Harrington, UC--Berkeley
    (1001-03-118)
  • 4:30 p.m.
    Spectra of relations on the random graph.
    Valentina Harizanov, George Washington University
    Russell Miller*, Queens College -- C.U.N.Y.
    (1001-03-218)
  • 5:00 p.m.
    Embedding and Coding Below a 1-Generic Degree.
    Noam Greenberg*, University of Notre Dame
    Antonio Montalban, Cornell University
    (1001-03-67)
  • 5:30 p.m.
    Computably Enumerable Algebras, Their Expansions, and Isomorphisms.
    Bakhadyr Khoussainov*, The University of Auckland, New Zealand
    Steffen Lempp, The University of Wisconsin-Madison
    Theodore A Slaman, Berkeley
    (1001-03-283)
• Sunday October 24, 2004, 3:00 p.m.-5:50 p.m.
  Special Session on Solving Polynomial Systems, IV
  Room G 43, Donald P. Jacobs Center
  Organizers:
  Anton Leykin, University of Illinois at Chicago leykin@math.uic.edu
  Jan Verschelde, University of Illinois at Chicago jan@math.uic.edu
  

  • 3:00 p.m.
    Genetic Algorithms for zero-dimensional ideals.
    Ilias S. Kotsireas*, Assistant Professor, Wilfrid Laurier University
    (1001-14-221)
  • 3:30 p.m.
    Toric residues and partitions of polytopes.
    Amit Khetan, University of Massachusetts, Amherst
    Ivan Soprounov*, University of Massachusetts, Amherst
    (1001-14-258)
  • 4:00 p.m.
    Break
  • 4:30 p.m.
    Approximate GCD and Factorization of Multivariate Polynomials.
    Zhonggang Zeng*, Northeastern Illinois University
    (1001-65-232)
  • 5:00 p.m.
    Solving Multivariate Polynomial Systems.
    Hong Zhang*, Illinois Institute of Technology and Argonne National Laboratory
    (1001-65-146)
  • 5:30 p.m.
    Numerical Jet Geometry of Partial Differential Equations.
    Greg J. Reid*, University of Western Ontario
    (1001-35-207)

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