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AMS Sectional Meeting Full Program

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2003 Spring Central Section Meeting
Bloomington, IN, April 4-6, 2003
Meeting #985

Associate secretaries:
Susan J Friedlander, AMS

Friday April 4, 2003

Saturday April 5, 2003

Sunday April 6, 2003

  • Sunday April 6, 2003, 8:30 a.m.-11:45 a.m.
    Special Session on Applications of Teichm\u"ller Theory to Dynamics and Geometry, IV

    Room 247, Ballantine Hall
    Christopher M. Judge, Indiana University
    Matthias Weber, Indiana University

    • 8:30 a.m.
      X-minimal surfaces in the Heisenberg group.
      Scott D. Pauls*, Dartmouth College
    • 9:00 a.m.
      Polygonal outer billiards in the Euclidean and the hyperbolic plane.
      Serge Tabachnikov*, Penn State
    • 10:00 a.m.
      Spectral Curves of 2-Tori in the 4-Sphere.
      Franz Pedit*, University of Massachusetts
    • 11:00 a.m.
      Recent results on classical minimal surface theory.
      William H. Meeks*, Univ. of Massachusetts
  • Sunday April 6, 2003, 8:30 a.m.-12:25 p.m.
    Special Session on Graph Theory, III

    Room 209, Ballantine Hall
    Tao Jiang, Miami University
    Zevi Miller, Miami University
    Dan Pritikin, Miami University

    • 8:30 a.m.
      Real Number Channel Assignments with Distance Conditions.
      Jerrold R. Griggs*, University of South Carolina
      Teresa Xiaohua Jin, University of South Carolina
    • 9:00 a.m.
      On graph coloring extensions and list-colorings.
      Maria Alex Axenovich*, Iowa State University
    • 9:30 a.m.
      Adjacent Vertex Distinguishing Edge-Colorings.
      Richard H. Schelp*, University of Memphis
      Paul N.. Balister, University of Memphis
      Ervin Gyori, Renyi Institute of Mathematics
      Jeno Lehel, University of Memphis
    • 10:00 a.m.
      Optimal decomposition of complete graphs into many parts: extensions of the Nordhaus--Gaddum Theorem.
      Zolt\'an F\"uredi, Univ. of Illinois and R\'enyi Institute
      Alexandr V Kostochka, Univ. of Illinois and Institute of Mathematics (Novosibirsk)
      Riste \v{S}krekovski, Charles Univ. and Univ. of Ljubljana
      Michael Stiebitz, Technische Universit\"at Ilmenau
      Douglas B West*, University of Illinois
    • 10:30 a.m.
      Embedding Complete Binary Trees into Grids.
      Y.-B. Lin, University of Texas at Dallas
      Zevi Miller, Miami University
      Manley Perkel*, Wright State University
      Dan Pritikin, Miami University
      Hal Sudborough, University of Texas at Dallas
    • 11:00 a.m.
      A Transformation of Kotzig's Tree Decomposition Conjecture.
      Andre E Kezdy*, University of Louisville
    • 11:30 a.m.
      A short proof of a characterization of strongly chordal graphs.
      Michael J. Pelsmajer*, Illinois Institute of Technology
      Douglas B. West, University of Illinois, Urbana-Champaign
    • 12:00 p.m.
      Convexity in graphs: Steiner sets, Hull sets and Geodesic sets.
      Ignacio M Pelayo*, Universitat Politecnica de Catalunya
      Merce Mora, Universitat Politecnica de Catalunya
      Carmen Hernando, Universitat Politecnica de Catalunya
      Carlos Seara, Universitat Politecnica de Catalunya
  • Sunday April 6, 2003, 9:00 a.m.-12:30 p.m.
    Special Session on Holomorphic Dynamics, IV

    Room 135, Ballantine Hall
    Eric D. Bedford, Indiana University
    Kevin M. Pilgrim, Indiana University

    • 9:00 a.m.
      Schwarzian in complex analytic iteration theory.
      Julian I. Palmore*, University of Illinois at Urbana-Champaign
    • 10:00 a.m.
  • Sunday April 6, 2003, 9:00 a.m.-11:20 a.m.
    Special Session on Weak Dependence in Probability and Statistics, IV

    Walnut Room, Indiana Memorial Union
    Richard C. Bradley, Indiana University
    Lanh T. Tran, Indiana University

    • 9:00 a.m.
      Least Squares Estimators For The Spatial Regression Model.
      Jin Zhu*, Indiana University
    • 9:30 a.m.
      Nonparametric estimation for nonlinear autoregressive processes.
      Eunju Hwang*, University of Mississippi
    • 10:00 a.m.
      Some results on estimating a spectral density for a wavelet basis.
      Curtis P Miller*, Iowa State University
    • 11:00 a.m.
      Nonparametric estimation of regression and dependence coefficients.
      Lanh Tat Tran*, Indiana University, Bloomington, Indiana
  • Sunday April 6, 2003, 9:00 a.m.-11:50 a.m.
    Special Session on Mathematical and Computational Problems in Fluid Dynamics and Geophysical Fluid Dynamics, III

    Persimmon Room, Indiana Memorial Union
    Roger Temam, Indiana University
    Shouhong Wang, Indiana University

    • 9:00 a.m.
      Remarks on the Control of Problems Related to Climate.
      Roger Temam*, Indiana University
      Djoko Wirosoetisno, Indiana University
    • 9:30 a.m.
      A Class of Truly Consistent Splitting Schemes for Incompressible Flows.
      Jie Shen*, Purdue University
    • 10:00 a.m.
      Small Scales and Inviscid Limit of Viscous Compressible Flows.
      Xiaoming Wang*, Iowa State University
    • 10:30 a.m.
    • 11:00 a.m.
      Vortex Sheets with Surface Tension.
      David M. Ambrose*, Courant Institute, NYU
    • 11:30 a.m.
      Regularity results for linear elliptic problems and applications to the Primitive Equations of the ocean.
      Mohammed B Ziane*, University of Southern California
      Roger M Temam, Indiana University
    • 12:00 p.m.
      Rigorous characterization of boundary layer separations of 2D incompressible flows and its applications.
      Tian Ma, Sichuan University & indiana University
      Shouhong Wang*, Indiana University
  • Sunday April 6, 2003, 9:00 a.m.-12:20 p.m.
    Special Session on Operator Algebras and Free Probability, III

    Room 215, Ballantine Hall
    Hari Bercovici, Indiana University
    Marius Dadarlat, Purdue University

    • 9:00 a.m.
      Remarks on projections in C*-algebras.
      Lawrence G. Brown*, Purdue University
    • 10:00 a.m.
      Some quantitative results on the spectrum of almost Mathieu operators.
      Florin P Boca*, University of Illinois Urbana-Champaign
      Alexandru Zaharescu, University of Illinois Urbana-Champaign
    • 11:00 a.m.
      A Majorization Theory for Infinite Sequences Arising From Traces, Ideals, Arithmetic Means and Commutators.
      Gary Weiss*, University of Cincinnati
      Victor Kaftal, University of Cincinnati
    • 12:00 p.m.
      K-theory of Certain C*-algebras associated with free products of cyclic groups.
      Shuang Zhang*, University of Cincinnati
      Wojciech Szymanski, University of Newcastle
  • Sunday April 6, 2003, 9:00 a.m.-11:50 a.m.
    Special Session on Differential Geometry, IV

    Room 140, Ballantine Hall
    Jiri Dadok, Indiana University
    Bruce Solomon, Indiana University
    Ji-Ping Sha, Indiana university

    • 9:00 a.m.
      Geometry of $L^{p}([0,1],\mathbb{Z)}$.
      Valera I Berestovskii, Omsk State University
      Victor Gichev, Omsk State University
      Conrad Plaut*, University of Tennessee
    • 9:30 a.m.
      Hypersurfaces of constant Gauss curvature in Minkowski space.
      Bo Guan*, Department of Mathematics, University of Tennessee
      Huaiyu Jian, Tsinghua University, China
    • 10:00 a.m.
      Spectral theory for tensor products of Hermitian holomorphic line bundles.
      Harold G. Donnelly*, Purdue University
    • 10:30 a.m.
      Bonnet pairs revisited.
      Gary R. Jensen*, Washington University
    • 11:00 a.m.
      Torsion-free $G_{3}$-connections that are not analytic.
      Quo-Shin Chi*, Washington University, St. Louis
    • 11:30 a.m.
      A moduli curve for compact conformally-Einstein K\"ahler manifolds.
      Andrzej Derdzinski*, Ohio State University
      Gideon Maschler, University of Toronto
  • Sunday April 6, 2003, 9:00 a.m.-11:20 a.m.
    Special Session on Recent Trend in the Analysis and Computations of Functional Differential

    Maple Room, Indiana Memorial Union
    Paul W. Eloe, University of Dayton
    Qin Sheng, University of Dayton

    • 9:00 a.m.
      First Order Dynamic Equations on Analysis of Algorithms.
      Ferhan M. Atici*, Western Kentucky University
      Daniel C. Biles, Western Kentucky University
    • 9:30 a.m.
      Boundedness In Nonlinear Differential Equations.
      Youssef N Raffoul*, University of Dayton
    • 10:00 a.m.
      Blow-up of Solutions for Degenerate Semilinear Parabolic Problems.
      C. Y. Chan, University of Louisiana at Lafayette
      W. Y. Chan*, University of Science and Arts of Oklahoma
    • 10:30 a.m.
      Periodic Solutions In Neutral Nonlinear Difference Equations with Delay.
      Mariette R Maroun*, University of Dayton
      Youssef N Raffoul, University of Dayton
    • 11:00 a.m.
      Dynamic Equations for Fourth Order Conjugate Boundary Value Problems.
      Johnny Henderson, Baylor University
      William Yin*, LaGrange College
  • Sunday April 6, 2003, 9:00 a.m.-12:50 p.m.
    Special Session on Representations of Infinite Dimensional Lie Algebras and Mathematical Physics, IV

    Room 219, Ballantine Hall
    Katrina Deane Barron, University of Notre Dame
    Rinat Kedem, University of Illinois, Urbana-Champaign

    • 9:00 a.m.
      Sklyanin Poisson brackets and refined Bruhat cells in real Grassmannians.
      Michael Gekhtman*, University of Notre Dame
      MIchael Shapiro, Michigan State University
      Alek Vainshtein, University of Haifa
    • 10:00 a.m.
      Infinite Toda lattice and New Vertex Algebras.
      Maarten J. Bergvelt*, Dept. of Mathematics, UIUC
    • 10:30 a.m.
      Algebra in tensor categories and conformal field theory
      Christoph Schweigert*, Rheinisch-Westfälische Technische Hochschule Aache
    • 11:30 a.m.
      Virasoro highest-weight vectors in vertex operator algebras.
      Katherine L Hurley*, University of South Carolina
    • 12:00 p.m.
      Differential equations and conformal field theories.
      Yi-Zhi Huang*, Rutgers University
  • Sunday April 6, 2003, 9:00 a.m.-12:20 p.m.
    Special Session on Extremal Combinatorics, IV

    Room 208, Ballantine Hall
    Dhruv Mubayi, University of Illinois at Chicago
    Jozef Skokan, University of Illinois at Urbana-Champaign

    • 9:00 a.m.
      An Improved Extremal Function for Graph Linkages.
      Robin Thomas, Georgia Inst. of Tech.
      Paul Wollan*, Georgia Inst. of Tech.
    • 9:30 a.m.
      A hypercube covering problem, or DNF with exceptions.
      Dhruv Mubayi, Univ. of Illinois at Chicago
      Gyorgy Turan*, Univ. of Illinois at Chicago
      Yi Zhao, Univ. of Illinois at Chicago
    • 10:00 a.m.
      Nontrivial Intersecting Families.
      Jacques Alain Verstraete*, Microsoft Research
      Dhruv Mubayi, University of Illinois, Chicago
    • 10:30 a.m.
      Tree representations of $K_{n,n}$.
      Nancy Eaton*, University of Rhode Island
      Zoltan Furedi, University of Illinois at Urbana-Champaign
      Alexandr V. Kostochka, University of Illinois Urbana-Champaign
      Jozef Skokan, University of Illinois at Urbana-Champaign
    • 11:00 a.m.
      A New Degree Condition For Graph Tiling.
      Ali Shokoufandeh, Drexel University
      Yi Zhao*, University of Illinois at Chicago
    • 11:30 a.m.
      \documentclass{article} \title{Embedding graphs with bounded degree in pseudorandom sparse graphs} \begin{document}\date{\empty}\maketitle\end{document}.
      Yoshiharu Kohayakawa, University of Sao Paulo
      Vojtech Rodl, Emory University
      Papa Amar Sissokho*, Emory University
    • 12:00 p.m.
      An extremal function for $K_9$ minors.
      Zixia Song*, School of Mathematics, Georgia Institute of Technology
      Robin Thomas, School Of Mathematics, Georgia Institute of Technology
  • Sunday April 6, 2003, 9:00 a.m.-11:50 a.m.
    Special Session on Cryptography and Computational and Algorithmic Number Theory, IV

    Room 205, Ballantine Hall
    Joshua Holden, Rose-Hulman Institute of Technology
    John Rickert, Rose-Hulman Institute of Technology
    Jonathan Sorenson, Butler University
    Andreas Stein, University of Illinois at Urbana-Champaign

    • 9:00 a.m.
      Are there enough primes for cryptography?
      Samuel S Wagstaff*, Purdue University
    • 9:30 a.m.
      FPGA-Based Hyperelliptic Curve Cryptosystems.
      T. Charles Clancy*, University of Illinois
    • 10:00 a.m.
    • 10:30 a.m.
      Asymptotically fast group operations on Jacobians of general curves.
      Kamal Khuri-Makdisi*, Center for Advanced Mathematical Sciences, American University of Beirut
    • 11:30 a.m.
      Some comments on group independent secret sharing schemes.
      Brian S King*, Purdue School of Eng. & Tech., IUPUI
  • Sunday April 6, 2003, 9:00 a.m.-11:20 a.m.
    Special Session on Operator Algebras and Their Applications, III

    Room 217, Ballantine Hall
    Jerry Kaminker, Indiana University-Purdue University Indianapolis
    Ronghui Ji, Indiana University-Purdue University Indianapolis

    • 9:00 a.m.
      Heat kernels for perturbed Dirac operators.
      Jeffrey Fox, University of Colorado
      Peter Haskell*, Virginia Tech
    • 9:30 a.m.
      Some remarks on the universal coefficient theorem in KK-theory.
      Marius Dadarlat*, Purdue University
    • 10:00 a.m.
      The Kadison-Singer problem as a combinatorial problem.
      Nik Weaver*, Washington University
    • 10:30 a.m.
      Operator Trigonomety.
      Morteza Seddighin*, Indiana University-East
    • 11:00 a.m.
      Rectifiable diameters of the Grassmann spaces of certain von Neumann algebras and C*-algebras.
      Shuang Zhang*, University of Cincinnati
  • Sunday April 6, 2003, 9:00 a.m.-12:20 p.m.
    Special Session on Codimension One Splittings of Manifolds, IV

    Room 236, Ballantine Hall
    James F. Davis, Indiana University
    Andrew A. Ranicki, University of Edinburgh

    • 9:00 a.m.
      Controlled algebraic K-theory.
      Frank S Quinn*, Virginia Tech
    • 9:30 a.m.
      On the rho invariant for manifolds with boundary.
      Paul Kirk*, Indiana University
      Matthias Lesch, Universitat zu Koln
    • 10:00 a.m.
      Eta-invariants as obstructions to a knot in $S^3$ being slice or ribbon.
      Stefan K Friedl*, Brandeis University
    • 10:30 a.m.
    • 11:00 a.m.
      Examples of Exotic Stratifications.
      Bruce Hughes*, Vanderbilt University
    • 11:30 a.m.
      Applications of codimension one splittings of analytic invariants.
      Sylvain Cappell*, New YorK University
      Ronnie Lee, Yale University
      Edward Miller, Polytechnic University
    • 12:00 p.m.
  • Sunday April 6, 2003, 9:00 a.m.-11:20 a.m.
    Special Session on Stochastic Analysis with Applications, IV

    Oak Room, Indiana Memorial Union
    Jin Ma, Purdue University
    Frederi Viens, Purdue University

    • 9:00 a.m.
      Some Processes Associated with a Fractional Brownian Motion.
      Tyrone E. Duncan*, University of Kansas
    • 10:00 a.m.
      How to solve a Dirichlet problem via RBSDEs.
      Ziyu Zheng*, Assistant Prof./University of Wisconsin-Milwaukee
    • 10:30 a.m.
      Representation of Solutions to Backward SDEs Associated with a Degenerate Forward SDE.
      Jianfeng Zhang*, University of Minnesota
    • 11:00 a.m.
      On conformal images of reflecting Brownian motions in smooth domains and applications.
      Mihai N Pascu*, Department of Mathematics, Purdue University
  • Sunday April 6, 2003, 9:00 a.m.-12:25 p.m.
    Special Session on Algebraic Topology, IV

    Room 214, Ballantine Hall
    Randy McCarthy, University of Illinois, Urban-Champaign
    Ayelet Lindenstrauss, Indiana University

    • 9:00 a.m.
      Refining topological realization of A-algebras by cobordism.
      Donald Yau*, University of Illinois at Urbana Champaign
    • 10:00 a.m.
      The tensor product of permutative categories.
      A. D. Elmendorf*, Purdue University Calumet
    • 11:00 a.m.
      An operad that acts on cochains of a spectrum.
      Jim McClure*, Purdue University
      Stefan Schwede, University of Muenster
      Jeff Smith, Purdue University
    • 12:00 p.m.
      Controlled homotopy theory of simplicial sets.
      Dan Isaksen*, University of Notre Dame
      Dan Christensen, University of Western Ontario
  • Sunday April 6, 2003, 9:30 a.m.-11:50 a.m.
    Special Session on Ergodic Theory and Dynamical Systems, IV

    Room 006, Ballantine Hall
    Roger L. Jones, DePaul University
    Ayse A. Sahin, DePaul University

    • 9:30 a.m.
      Full bubble growth rate and the embedding of finite to one extensions of non-periodic $Z^2$ subshifts into the domino tiling shift.
      Sam Lightwood*, The George Washington University
      Ayse Sahin, DePaul University
    • 10:00 a.m.
      Ordered full shifts.
      William Geller*, Indiana Univ.-Purdue Univ. Indianapolis
      Michal Misiurewicz, Indiana Univ.-Purdue Univ. Indianapolis
    • 10:30 a.m.
      Asymptotic Randomization of Multidimensional Finite-type Subshifts by Linear Cellular Automata.
      Marcus Pivato*, Trent University
      Reem Yassawi, Trent University
    • 11:00 a.m.
      Ergodic Averages with Generalized Weights.
      Dogan Comez*, North Dakota State University
      Semyon N Litvinov, Penn State University-Hazleton
    • 11:30 a.m.
      A new look at strong sweeping out for lacunary sequences.
      Roger L Jones*, DePaul University
  • Sunday April 6, 2003, 9:30 a.m.-11:45 p.m.
    Special Session on Probability, IV

    Sassafras Room, Indiana Memorial Union
    Russell D. Lyons, Indiana University
    Robin A. Pemantle, Ohio State University

    • 9:30 a.m.
      Crossing numbers and the probabilistic method.
      Laszlo A Szekely*, NCBI/NLM/NIH and USC
    • 10:30 a.m.
      Projection of measures and geodesic flows.
      Elon B. Lindenstrauss*, Stanford University
    • 11:00 a.m.
      The Connection between Randomness Extractors and Expander Graphs.
      Salil P Vadhan*, Harvard University
  • Sunday April 6, 2003, 12:30 p.m.-3:20 p.m.
    Special Session on Stochastic Analysis with Applications, V

    Oak Room, Indiana Memorial Union
    Jin Ma, Purdue University
    Frederi Viens, Purdue University

    • 12:30 p.m.
      A measure-theoretic approach to stochastic integration.
      Ron Blei*, University of Connecticut
    • 1:00 p.m.
      Stationary busy period distributions in queues and exit problems for Levy processes.
      Parijat Dube, IBM Research
      Fabrice M Guillemin, France Telecom R & D
      Ravi R Mazumdar*, Purdue University
    • 1:30 p.m.
      Weak survival of anisotropic contact processes on trees.
      Thomas M Sellke*, Purdue University
      Steven P. Lalley, Univ.of Chicago
    • 2:00 p.m.
      Options and Discontinuity: An asymptotic decomposition of hedging errors.
      Seongjoo Song*, Purdue University
    • 2:30 p.m.
      Extreme events in financial markets.
      Maria Cristina Mariani*, Department of Statistics - Purdue University
    • 3:00 p.m.