AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:21:43
2004 Fall Southeastern Section Meeting
Nashville, TN, October 1617, 2004
Meeting #999
Associate secretaries: John L Bryant, AMS bryant@math.fsu.edu
Saturday October 16, 2004

Saturday October 16, 2004, 7:30 a.m.4:00 p.m.
Meeting Registration
Lobby, Wilson 
Saturday October 16, 2004, 7:30 a.m.4:00 p.m.
Exhibit and Book Sale
Lobby, Wilson 
Saturday October 16, 2004, 8:00 a.m.10:50 a.m.
Special Session on Graph Theory and Matroid Theory, I
Room 103, Calhoun
Organizers:
Mark N. Ellingham, Vanderbilt University mne@math.vanderbilt.edu
Michael D. Plummer, Vanderbilt University michael.d.plummer@vanderbilt.edu

8:00 a.m.
Finding a monochromatic subgraph or a rainbow path.
Andras Gyarfas, Computer and Automation Research Institute of the Hungarian Academy of Sciences
Jeno Lehel*, The University of Memphis
Richard H. Schelp, The University of Memphis
(99905204) 
8:30 a.m.
Monomulti bipartite Ramsey numbers, designs, and matrices.
Paul N. Balister*, University of Memphis, TN
Andr\'as Gy\'arf\'as, Computer and Automation Research Institute of the Hungarian Academy of Sciences
Jen\H o Lehel, University of Memphis, TN
Richard H. Schelp, University of Memphis, TN
(99905216) 
9:00 a.m.
Asymptotic solution of the Erd\H osT. S\'os conjecture.
Mik\'os Ajtai, IBM Almaden Research Center
J\'anos Koml\'os, Rutgers University
Mikl\'os Simonovits*, Hungarian Academy of Sciences
Endre Szemer\'edi, Rutgers University
(99905284) 
9:30 a.m.
An Interlacing Result on Normalized Laplacians.
Guantao Chen*, Georgia State University
George Davis, Georgia State University
Frank Hall, Georgia State University
Kinnari Patel, Georgia State University
Michael Steward, Georgia State University
(9991531) 
10:00 a.m.
Additive spanners in hypercubes.
Nana Arizumi, University of Illinois at UrbanaChampaign
Peter Hamburger, Indiana UniversityPurdue University Fort Wayne
Alexandr Kostochka*, University of Illinois at UrbanaChampaign
(9990543) 
10:30 a.m.
On the edge reconstruction conjecture.
Yue Nick Zhao*, University of Central Florida
(99905134)

8:00 a.m.

Saturday October 16, 2004, 8:00 a.m.10:50 a.m.
Special Session on Wavelets, Frames, and Sampling, I
Room 325, Furman
Organizers:
Akram Aldroubi, Vanderbilt University
Douglas P. Hardin, Vanderbilt University doug.hardin@vanderbilt.edu
Qiyu Sun, University of Central Florida qsun@mail.ucf.edu

8:00 a.m.
SigmaDelta quantization and finite frames.
John J. Benedetto*, University of Maryland at College Park
Alex Powell, Princeton University
Ozgur Yilmaz, University of British Columbia
(9994218) 
8:30 a.m.
Sampling Solutions of Integral and Operator Equations of the First Kind.
M Zuhair Nashed*, University of Central Florida, Orlando, FL 32816
(99945217) 
9:00 a.m.
Frames and Data Security.
Eric S Weber*, Iowa State University
(99942189) 
9:30 a.m.
Adaptive Learning of Functions.
Peter G. Binev*, University of South Carolina
(99965265) 
10:00 a.m.
Frames and Sampling Expansions in Reproducing Kernel Hilbert and Banach Spaces.
Deguang Han*, University of Central Florida
(9994249) 
10:30 a.m.
Average sampling in shiftinvariant spaces.
Qiyu Sun*, University of Central Florida
(9994296)

8:00 a.m.

Saturday October 16, 2004, 8:00 a.m.10:50 a.m.
Special Session on Universal Algebra and Lattice Theory, I
Room 109, Furman
Organizers:
Ralph N. McKenzie, Vanderbilt University mckenzie@math.vanderbilt.edu
George F. McNulty, University of South Carolina mcnulty@math.sc.edu

8:00 a.m.
Approximate identical satisfaction of equations.
Walter Taylor*, University of Colorado
(9990823) 
8:50 a.m.
The Constraint Satisfaction Problem and Universal Algebra.
Matt Valeriote*, McMaster University
(9990888) 
9:20 a.m.
The Finite Algebra Membership Problem.
George F McNulty*, University of South Carolina
(9990845) 
9:50 a.m.
Minimal Varieties of Involutive Residuated Lattices.
Constantine Tsinakis*, Vanderbilt University
(99906118) 
10:30 a.m.
Nonassociative residuated lattices.
Nikolaos Galatos*, Vanderbilt University
(99906108)

8:00 a.m.

Saturday October 16, 2004, 8:00 a.m.10:50 a.m.
Special Session on Topological Aspects of Group Theory, I
Room 103, Wilson
Organizers:
Michael L. Mihalik, Vanderbilt University mihalik@math.vanderbilt.edu
Mark V. Sapir, Vanderbilt University msapir@math.vanderbilt.edu

8:00 a.m.
The contributions of JeanPierre Serre to the development of algebraic topology.
Peter J. Hilton*, Binghamton University (SUNY)
(9995534) 
8:30 a.m.
Dehn functions of finitely presented groups.
Noel Brady*, University of Oklahoma
Martin R Bridson, Imperial College London
(99920260) 
9:00 a.m.
The CAT(0) Boundary of Truncated Hyperbolic Space.
Kim E. Ruane*, Tufts University
(99920255) 
9:30 a.m.
Presentations of automata groups and subgroups in direct products.
Rostislav I Grigorchuk*, Texas A&M University
(99920243) 
10:00 a.m.
Zcompactifications and Generalized Group Boundaries.
Craig R Guilbault*, University of WisconsinMilwaukee
(99957211) 
10:30 a.m.
When are geodesic languages for groups starfree?
Susan Hermiller*, University of Nebraska
Derek F. Holt, University of Warwick
Sarah Rees, University of Newcastle
(99920172)

8:00 a.m.

Saturday October 16, 2004, 8:00 a.m.10:50 a.m.
Special Session on Operator Theory on Function Spaces, I
Room 112, Wilson
Organizers:
Dechao Zheng, Vanderbilt University dechao.zheng@vanderbilt.edu

8:00 a.m.
The C*algebra of a linearfractional composition operator.
Thomas Kriete*, University of Virginia
Barbara MacCluer, University of Virginia
Jennifer Moorhouse, Colgate University
(99947151) 
8:30 a.m.
Weighted composition operators between different weighted Bergman spaces and different Hardy spaces.
Ruhan Zhao*, University of Toledo
Zeljko Cuckovic, University of Toledo
(99947154) 
9:00 a.m.
Composition operators on small holomorphic Sobolev spaces.
Boo Rim Choe*, Korea University
Hyungwoon Koo, Korea University
Wayne Smith, University of Hawaii
(9994799) 
9:30 a.m.
Extensions of the KoplienkoNeidhardt trace formulae.
Vladimir Peller*, Michigan State University
(9994711) 
10:00 a.m.
Spectral analysis of operators of finite type.
Daoxing Xia*, Vanderbilt University
(9994708) 
10:30 a.m.
Backward shift invariant subspaces in the bidisc.
Keiji Izuchi*, Niigata University, Japan
(99947225)

8:00 a.m.

Saturday October 16, 2004, 8:00 a.m.10:50 a.m.
Special Session on Algebraic Geometry and Commutative Algebra, I
Room 121, Wilson
Organizers:
Juan C. Migliore, University of Notre Dame migliore.1@nd.edu
Uwe Nagel, University of Kentucky uwenagel@ms.uky.edu

8:00 a.m.
Consecutive Genera for Irreducible ACM Space Curves.
Anthony A. Iarrobino, Jr.*, Northeastern University
(9991484) 
8:30 a.m.
Curves on double surfaces.
Scott Nollet*, Texas Christian University
(99914174) 
9:00 a.m.
Finding Information on Resolutions of Fat Points in ${\bf P}^n$.
Stephanie Fitchett*, Florida Atlantic University
Brian Harbourne, University of Nebraska  Lincoln
Sandeep Holay, Southeast Community College
(99914173) 
9:30 a.m.
Resolutions of ideals of fat points with support in a hyperplane.
Giuliana Fatabbi, Universit\`a di Perugia
Brian Harbourne*, University of NebraskaLincoln
Anna Lorenzini, Universit\`a di Perugia
(99913114) 
10:00 a.m.
Multigraded regularity and fat points.
Adam Van Tuyl*, Lakehead University
Jessica Sidman, Mount Holyoke College
(99913208) 
10:30 a.m.
Conjectures on ideals and singularities.
Karen A. Chandler*, University of Notre Dame
(99914251)

8:00 a.m.

Saturday October 16, 2004, 8:00 a.m.10:50 a.m.
Special Session on Inverse Problems, I
Room 209, Furman
Organizers:
Maeve L. McCarthy, Murray State University maeve.mccarthy@murraystate.edu
Rudi Weikard, University of Alabama at Birmingham rudi@math.uab.edu

8:00 a.m.
A generalized BorgMarchenko theorem with continuous spectrum.
Tuncay Aktosun*, Mississippi State University
(99934261) 
8:30 a.m.
Application of the Riccati equation to inverse SturmLiouville problems.
Daphne J. Gilbert*, Dublin Institute of Technology
(99934246) 
9:00 a.m.
Inverse Spectral Problems in Rectangular Domains.
Gregory Eskin, UCLA
James V Ralston*, UCLA
(99935201) 
9:30 a.m.
On the BorgLevinson Problem.
Marco Marletta*, Cardiff University
Rudi Weikard, University of Alabama at Birmingham
(9993478) 
10:00 a.m.
A Spectral Transform for the Matrix Hill's Equation.
Robert Carlson*, University of Colorado at Colorado Springs
(9993476) 
10:30 a.m.
Determining the Potential in the Schroedinger Equation by the Boundary Control Method.
Sergei Avdonin, University of Alaska
Suzanne Lenhart, University of Tennessee
Vladimir Protopopescu*, Oak Ridge National Laboratory
(9993563)

8:00 a.m.

Saturday October 16, 2004, 8:20 a.m.10:50 a.m.
Special Session on Geometry of Hyperbolic Manifolds, I
Room 122, Wilson
Organizers:
John G. Ratcliffe, Vanderbilt University ratclifj@math.vanderbilt.edu
Steven T. Tschantz, Vanderbilt University tschantz@math.vanderbilt.edu

8:20 a.m.
Representations of the quantum Teichm\"uller space.
Xiaobo Liu*, University of Southern California
(99957163) 
9:00 a.m.
Thick surfaces in hyperbolic 3manifolds.
Joseph D Masters*, SUNY Buffalo
(99957257) 
9:40 a.m.
Geometric tameness in threemanifolds with wordhyperbolic fundamental group.
Joshua B Barnard*, University of Oklahoma
(99957212) 
10:20 a.m.
Incompressible surfaces and spunnormal form.
Genevieve S Walsh*, University of Texas at Austin
(99957213)

8:20 a.m.

Saturday October 16, 2004, 8:20 a.m.10:10 a.m.
Special Session on Index Theory and the Topology of Manifolds, I
Room 113, Wilson
Organizers:
Bruce Hughes, Vanderbilt University bruce.hughes@vanderbilt.edu
Guoliang Yu, Vanderbilt University gyu@math.vanderbilt.edu

8:20 a.m.
Deformations and the BaumConnes assembly map for complex semisimple Lie groups.
Nigel Higson*, Penn State University
(9991968) 
9:00 a.m.
The Mod $p$ Higson Conjecture.
Alexander Dranishnikov*, University of Florida
(9995594) 
9:40 a.m.
A Hurewicztype theorem for asymptotic dimension.
G. C. Bell*, Penn State University
A. N. Dranishnikov, University of Florida
(9992075)

8:20 a.m.

Saturday October 16, 2004, 8:30 a.m.10:50 a.m.
Special Session on Biomathematics, I
Room 311, Furman
Organizers:
Laurent PujoMenjouet, Vanderbilt University laurent.q.pujomenjouet@vanderbilt.edu
Glenn F. Webb, Vanderbilt University glenn.f.webb@vanderbilt.edu

8:30 a.m.
Modeling transcriptional feedback loops: The role of Gro/TLE1 in Hes1 oscillations.
Samuel Bernard, Institute for Theoretical Biology, Humboldt University, Berlin
Branka \v{C}ajavec, Institute for Theoretical Biology, Humboldt University, Berlin
Laurent PujoMenjouet*, Vanderbilt University
Hanspeter Herzel, Institute for Theoretical Biology, Humboldt University, Berlin
Michael C. Mackey, Department of Physiology, McGill University
(9999236) 
9:00 a.m.
A Review of Mathematical Modeling in Cellular Signaling.
Hannah Callender, Vanderbilt University
Mary Ann Horn*, Vanderbilt University
(99992196) 
9:30 a.m.
Distribution of the Number of Clonogenic Tumor Cells Surviving Fractionated Radiation.
Leonid G. Hanin*, Idaho State University/University of Rochester
(9999253) 
10:00 a.m.
Modeling of Mesodermal Cellular Movements in Zebrafish Embryo.
Colette Jeanne Calmelet*, Tennessee State University/ Vanderbilt University
(9999286) 
10:30 a.m.
A Mathematical Study of the Hematopoiesis Process with Applications to Chronic Myelogenous Leukemia.
Mostafa Adimy, University of Pau, Pau, France
Fabien Crauste, University of Pau, Pau, France
Shigui Ruan*, University of Miami, Coral Gables, USA
(99992207)

8:30 a.m.

Saturday October 16, 2004, 8:30 a.m.10:40 a.m.
Special Session on Semigroup Theory, I
Room 217, Furman
Organizers:
Matthew I. Gould, Vanderbilt University matthew.gould@vanderbilt.edu
Karen Ann Linton, California State Polytechnic University, Pomona kalinton@csupomona.edu

8:30 a.m.
The variety generated by the fiveelement Brandt Semigroup.
Edmond W. H. Lee*, Simon Fraser University
(99916107) 
9:00 a.m.
Endomorphism monoids of pseudocomplemented semilattices.
M. E. Adams*, State University of New York at New Paltz
J\"{u}rg Schmid, University of Bern
(99920113) 
9:30 a.m.
Ideal extension and retraction properties in semigroups.
Karen D. Aucoin*, McNeese State University
(99920116) 
10:10 a.m.
Ideal extensions of locally inverse semigroups.
Francis J. Pastijn*, Marquette University
(9992065)

8:30 a.m.

Saturday October 16, 2004, 8:30 a.m.10:50 a.m.
Special Session on Local and Homological Algebra, I
Room 115, Wilson
Organizers:
Florian Enescu, Georgia State University fenescu@mathstat.gsu.edu
Adela N. Vraciu, University of South Carolina vraciu@math.sc.edu

8:30 a.m.
Bounded Ext and Gorenstein dimension.
Oana Veliche*, University of Utah
(99913281) 
9:00 a.m.
TateVogel cohomology algebras over some Gorenstein local rings.
Luchezar L. Avramov*, University of NebraskaLincoln
Oana Veliche, University of Utah
(99913274) 
9:30 a.m.
Extensions of Modules.
Janet Striuli*, University of Kansas
(99913186) 
10:00 a.m.
Resolutions of Universal rings.
Andrew R. Kustin*, University of South Carolina
Jerzy M. Weyman, Northeastern University
(99913240) 
10:30 a.m.
Extremal Algebras.
L. L. Avramov, University of Nebraska
S. Iyengar, University of Nebraska
C Miller*, Syracuse University
(99913175)

8:30 a.m.

Saturday October 16, 2004, 8:50 a.m.10:50 a.m.
Special Session on Von Neumann Algebras and Noncommutative Ergodic Theory, I
Room 126, Wilson
Organizers:
Dietmar Bisch, Vanderbilt University bisch@math.vanderbilt.edu
Sorin T. Popa, University of California Los Angeles popa@math.ucla.edu

8:50 a.m.
A Kurosh type theorem for type II$_1$ factors.
Narutaka Ozawa*, University of Tokyo / UCLA
(9994630) 
9:40 a.m.
On the distribution of some sequences related to Farey fractions.
Florin Boca*, University of Illinois
Alexandru Zaharescu, University of Illinois
(9993798) 
10:10 a.m.
Noncommutative, analytic version of Hilbert's 17th problem in type II$_1$ von Neumann algebras.
Florin Radulescu*, University of Iowa
(99946171)

8:50 a.m.

Saturday October 16, 2004, 9:00 a.m.10:50 a.m.
Special Session on Nonlinear Partial Differential Equations and Applications, I
Room 132, Furman
Organizers:
Gieri Simonett, Vanderbilt University simonett@math.vanderbilt.edu

9:00 a.m.
Renormalization And Scaling In Interface Problems.
Gunduz Caginalp*, University of Pittsburgh
(9993561) 
9:30 a.m.
Coarsening Dynamics for the Convective CahnHilliard Equation.
Stephen J Watson*, ESAM, Northwestern University
(99935263) 
10:00 a.m.
Triple junctions on the plane.
Nicholas D. Alikakos*, University of North Texas
(99935275) 
10:30 a.m.
Quasistationary optical solitons with power law nonlinearity.
Anjan Biswas*, Tennessee State University
(99978130)

9:00 a.m.

Saturday October 16, 2004, 11:00 a.m.12:00 p.m.
Invited Address
Welcoming remarks.
Room 103, Wilson
Deformation, rigidity, and the classification of II$_1$ factors.
Room 103, Wilson
Sorin T. Popa*, University of California Los Angeles
(9994603) 
Saturday October 16, 2004, 1:30 p.m.2:20 p.m.
Invited Address
Holomorphic disks and lowdimensional topology.
Room 103, Wilson
Peter S. Ozsvath*, Columbia University
(9995705) 
Saturday October 16, 2004, 2:30 p.m.5:00 p.m.
Special Session on Geometry of Hyperbolic Manifolds, II
Room 122, Wilson
Organizers:
John G. Ratcliffe, Vanderbilt University ratclifj@math.vanderbilt.edu
Steven T. Tschantz, Vanderbilt University tschantz@math.vanderbilt.edu

2:30 p.m.
Totally Geodesic Surfaces in Hyperbolic Knot and Link Complements.
Colin C Adams*, Williams College
Hanna Bennett, University of Chicago
Christopher Davis, MIT
Michael Jennings, Cornell Univiersity
Jennifer Novak, Stanford University
Nicholas Perry, Newton, MA
Eric Schoenfeld, Stanford University
(99957148) 
3:10 p.m.
Cusp Shapes of Hyperbolic Knot Complements and Dehn Filling.
Jessica S. Purcell*, The University of Texas at Austin
(99957168) 
3:50 p.m.
A birationality result for character varieties.
Stephan Tillmann*, Universit\'e du Qu\'ebec \`a Montr\'eal
Benjamin Klaff, Universit\'e du Qu\'ebec \`a Montr\'eal
(99957184) 
4:30 p.m.
Small covers of regular rightangled hyperbolic polytopes.
Anne Garrison, Seattle, Washington
Richard Scott*, Santa Clara University
(99957231)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.5:20 p.m.
Special Session on Nonlinear Partial Differential Equations and Applications, II
Room 132, Furman
Organizers:
Gieri Simonett, Vanderbilt University simonett@math.vanderbilt.edu

2:30 p.m.
Selfsimilar Blowup of Unstable Thinfilm Equations.
Mary C Pugh*, University of Toronto
Dejan Slepcev, University of California Los Angeles
(99935180) 
3:00 p.m.
Blowup dynamics of longwave unstable thinfilm equations.
Dejan Slepcev*, University of California Los Angeles
(99935219) 
3:30 p.m.
The zero surface tension limit of 2D water waves.
David M. Ambrose*, Courant Institute
Nader Masmoudi, Courant Institute
(99976143) 
4:00 p.m.
An Analytical Approach to the Ekman Boundary Layer Problem.
Y. Giga, Hokkaido University, Sapporo
K. Inui, Hokkaido University, Sapporo
A. Mahalov, Arizona State University, Phoenix
S. Matsui, Hokkaido Information University, Sapporo
J. Saal*, Vanderbilt University, Nashville
(99935205) 
4:30 p.m.
A solution for the flow field within a torus.
T. S. Morton*, Greenville, SC
(9997621) 
5:00 p.m.
Mechanics of Forced Elongation.
Thomas C. Hagen*, The University of Memphis
(99935124)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.4:20 p.m.
Special Session on Biomathematics, II
Room 311, Furman
Organizers:
Laurent PujoMenjouet, Vanderbilt University laurent.q.pujomenjouet@vanderbilt.edu
Glenn F. Webb, Vanderbilt University glenn.f.webb@vanderbilt.edu

2:30 p.m.
A Mathematical Analysis of Prion Proliferation.
Meredith L. Greer*, Bates College
Laurent PujoMenjouet, Vanderbilt University
Glenn Webb, Vanderbilt University
(99992244) 
3:00 p.m.
A Mathematical Model Describing the Spread of Panleucopenia Virus Within Feline Populations.
W. Fitzgibbon*, University of Houston
M Langlais, Victor Segalen Bordeuax 2
J Morgan, University of Houston
(9999240) 
3:30 p.m.
Modeling spatiotemporal dynamics in ecology and epidemiology.
Jianhong Wu*, York University, Toronto, Canada
(99992250) 
4:00 p.m.
Optimal Control of Immunotherapy.
K. Renee Fister*, Murray State University
Thalya Burden, University of Kentucky
Jon Ernstberger, North Carolina State University
Jennifer Hughes, Murray State University
(9993419)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.4:50 p.m.
Special Session on Semigroup Theory, II
Room 217, Furman
Organizers:
Matthew I. Gould, Vanderbilt University matthew.gould@vanderbilt.edu
Karen Ann Linton, California State Polytechnic University, Pomona kalinton@csupomona.edu

2:30 p.m.
Flatness Properties of $S$posets.
Sydney D BulmanFleming*, Wilfrid Laurier University
(9992058) 
3:00 p.m.
Commutative coextensions.
Pierre A. Grillet*, Tulane University
(99920128) 
3:30 p.m.
On Ranks of Semigroups of OrderPreserving and OrientationPreserving Transformations.
Inessa Levi*, Western Illinois University
(9992060) 
4:00 p.m.
$\mathcal{P}\!\mathcal{A}$isomorphisms of orthodox semigroups.
Simon M. Goberstein*, California State University, Chico
(99920139) 
4:30 p.m.
Residuation on the bicyclic semigroup.
Robert B McFadden*, University of Louisville
(99908119)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.5:20 p.m.
Special Session on Graph Theory and Matroid Theory, II
Room 103, Calhoun
Organizers:
Mark N. Ellingham, Vanderbilt University mne@math.vanderbilt.edu
Michael D. Plummer, Vanderbilt University michael.d.plummer@vanderbilt.edu

2:30 p.m.
Listening for Perfect Matchings in Bipartite Graphs.
Andre E Kezdy*, University of Louisville
(99905153) 
3:00 p.m.
On a conjecture of Haggkvist on completing latin squares.
Tristan Denley*, MS
Jaromy Kuhl, MS
(99905245) 
3:30 p.m.
The size of edge chromatic critical graphs with maximum degree six.
Rong Luo*, Middle Tennessee State University
Yue Zhao, University of Central Florida
(99905123) 
4:00 p.m.
Pfaffian labellings and signs of edge colorings.
Serguei Norine*, Georgia Institute of Technology
Robin Thomas, Georgia Institute of Technology
(99905203) 
4:30 p.m.
Edge coloring of graphs with small maximum degrees.
Xuechao xl Li*, Division of Academic Enhancement, University of Georgia
(99905102) 
5:00 p.m.
Potentially $K_s^t$  graphic degree sequences.
Michael Ferrara, Emory University, Atlanta, GA 30322
Ronald Gould*, Emory University, Atlanta, GA 30322
John Schmitt, Emory University, Atlanta, GA 30322
(99905152)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.5:00 p.m.
Special Session on Von Neumann Algebras and Noncommutative Ergodic Theory, II
Room 126, Wilson
Organizers:
Dietmar Bisch, Vanderbilt University bisch@math.vanderbilt.edu
Sorin T. Popa, University of California Los Angeles popa@math.ucla.edu

2:30 p.m.
New examples of group pairs with Kazhdan's Relative Property (T).
Talia Fernos*, University of Illinois, Chicago
(99920156) 
3:20 p.m.
Cohomology of Actions of groups by Bernouilli shifts.
Sorin Popa, UCLA
Roman Sasyk*, Purdue University
(99946149) 
3:50 p.m.
A 1cohomology characterization of property (T) in von Neumann algebras.
Jesse Peterson*, University of California, Los Angeles
(99947131) 
4:20 p.m.
Geodesic flows and symmetric joins of metric spaces.
Igor Mineyev*, University of Illinois at UrbanaChampaign
(99920122)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.5:20 p.m.
Special Session on Wavelets, Frames, and Sampling, II
Room 325, Furman
Organizers:
Akram Aldroubi, Vanderbilt University
Douglas P. Hardin, Vanderbilt University doug.hardin@vanderbilt.edu
Qiyu Sun, University of Central Florida qsun@mail.ucf.edu

2:30 p.m.
OperatorValued Frame Theory.
David R. Larson*, Texas A&M University
(9994759) 
3:00 p.m.
Wavelet bases on Julia sets.
Palle Jorgensen*, University of Iowa
(9994714) 
3:30 p.m.
The KadisonSinger Problem and Hilbert space frame theory.
Peter G. Casazza*, University of Missouri
(9994644) 
4:00 p.m.
Density, Overcompleteness, and Localization of Frames.
Radu Balan, Siemens Research Corporation
Peter G. Casazza, University of Missouri
Christopher Heil*, Georgia Institute of Technology
Zeph Landau, City College of New York
(9994216) 
4:30 p.m.
Multidimensional Riesz Wavelets Derived from Refinable Function Vectors.
Bin Han*, University of Alberta
(9994269) 
5:00 p.m.
Conversion between analog and digital domains revisited.
Bernhard G Bodmann, University of Houston
David K Hoffman, Iowa State University
Donald J Kouri, Universiy of Houston
Manos Papadakis*, University of Houston
(99941221)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.5:40 p.m.
Special Session on Index Theory and the Topology of Manifolds, II
Room 113, Wilson
Organizers:
Bruce Hughes, Vanderbilt University bruce.hughes@vanderbilt.edu
Guoliang Yu, Vanderbilt University gyu@math.vanderbilt.edu

2:30 p.m.
Smoothing Loop Spaces.
Tilman Bauer, Münster University
Nitoo Kitchloo, Johns Hopkins University
Dietrich Notbohm, University of Leicester, England
Erik K Pedersen*, Binghamton University
(9995770) 
3:10 p.m.
Rigidity of arithemtic manifolds.
Stanley S Chang*, Wellesley College
Shmuel Weinberger, University of Chicago
(9995332) 
3:50 p.m.
Ktheory of groups and algebra of associated group rings.
Boris Goldfarb*, SUNY at Albany
(99957170) 
4:30 p.m.
The coarse BaumConnes conjecture and subspaces.
Nick Wright*, University of Southampton
(99919144) 
5:10 p.m.
Uniform embeddings and the Novikov conjecture.
Gennadi Kasparov*, Vanderbilt University
Guoliang Yu, Vanderbilt University
(9991913)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.5:20 p.m.
Special Session on Universal Algebra and Lattice Theory, II
Room 109, Furman
Organizers:
Ralph N. McKenzie, Vanderbilt University mckenzie@math.vanderbilt.edu
George F. McNulty, University of South Carolina mcnulty@math.sc.edu

2:30 p.m.
Homomorphic images of subdirectly irreducible algebras.
Jaroslav Jezek*, Charles University, Czech Republic
(99908100) 
3:00 p.m.
Relations on Algebras.
John W Snow*, Sam Houston State University
(99908192) 
3:30 p.m.
On the structure of generalized basic logic algebras.
Peter Jipsen*, Chapman University
Franco Montagna, University of Siena
(99906162) 
4:00 p.m.
Canonical extensions of partially ordered algebras.
Mai Gehrke*, New Mexico State University/Copenhagen University
(99906290) 
4:30 p.m.
Concepts in universal algebra on propositional logic.
Chihiro Oshima*, Texas A&M International University
(99903239) 
5:00 p.m.
Stream ciphers and clones.
Clifford H Bergman*, Iowa State University
(9990855)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.5:20 p.m.
Special Session on Topological Aspects of Group Theory, II
Room 103, Wilson
Organizers:
Michael L. Mihalik, Vanderbilt University mihalik@math.vanderbilt.edu
Mark V. Sapir, Vanderbilt University msapir@math.vanderbilt.edu

2:30 p.m.
Braiding Matching Complexes and Houghton Groups.
KaiUwe Bux*, University of Virginia
(99920177) 
3:00 p.m.
Kernels of homomorphisms from right angled Artin groups onto free groups.
Noel Brady, University of Oklahoma
Jon McCammond, University of California at Santa Barbara
John Meier*, Lafayette College
(99920167) 
3:30 p.m.
Limit groups are CAT(0).
Emina Alibegovic, University of Michigan
Mladen Bestvina*, University of Utah
(99957132) 
4:00 p.m.
Translation equivalence in free groups.
Ilya Kapovich*, University of Illinois at UrbanaChampaign
Gilbert Levitt, Universite de Caen
Paul Schupp, University of Illinois at UrbanaChampaign
Vladimir Shpilrain, City College of the City University of New York
(99920117) 
4:30 p.m.
Growth of Free Group Outer Automorphisms and their Inverses, and Parageometric Outer Automorphisms.
Lee Mosher*, Rutgers University
Michael Handel, Rutgers University
(99920288) 
5:00 p.m.
Homology stability for outer automorphism groups of free groups.
Allen Hatcher, Cornell University
Karen Vogtmann*, Cornell University
(9992095)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.5:20 p.m.
Special Session on Local and Homological Algebra, II
Room 115, Wilson
Organizers:
Florian Enescu, Georgia State University fenescu@mathstat.gsu.edu
Adela N. Vraciu, University of South Carolina vraciu@math.sc.edu

2:30 p.m.
Phantom depth and stable phantom exactness.
Neil M Epstein*, University of Kansas
(99913215) 
3:00 p.m.
The existence of the Fsignature in certain cases.
Ian M Aberbach*, University of Missouri
(99913140) 
3:30 p.m.
On the upper semicontinuity of HilbertKunz multiplicity.
Kazuma Shimomoto*, University of Utah
Florian Enescu, Georgia State University
(99913160) 
4:00 p.m.
Failure of injectivity for maps of Grothendieck groups from a local ring to its completion.
Melvin Hochster*, University of Michigan, Ann Arbor
(99913269) 
4:30 p.m.
Tight closure in coordinate rings of elliptic curves.
Geoffrey D Dietz*, University of Michigan
(99913127) 
5:00 p.m.
The Fsignature of an affine semigroup ring.
Anurag K Singh*, Georgia Institute of Technology
(99913141)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.5:20 p.m.
Special Session on Operator Theory on Function Spaces, II
Room 112, Wilson
Organizers:
Dechao Zheng, Vanderbilt University dechao.zheng@vanderbilt.edu

2:30 p.m.
Hankel operators with bounded symbol.
Patrick R. Ahern*, University of WisconsinMadison
E. H. Youssfi, CMI Universite de Provence
(99947249) 
3:00 p.m.
Bounded Toeplitz Products on Weighted Bergman Spaces.
Karel Stroethoff*, University of Montana
Dechao Zheng, Vanderbilt University
(99947258) 
3:30 p.m.
Area Operators on Bergman spaces.
Zhijian Wu*, The University of Alabama
(99947227) 
4:00 p.m.
Hyponormality, $k$hyponormality, and subnormality for Toeplitz operators.
Raul E Curto*, The University of Iowa
(99947179) 
4:30 p.m.
Quasinormality and Tuples of Toeplitz Operators.
Jim Gleason*, University of Tennessee
(9994779) 
5:00 p.m.
Commutative $C^*$algebras of Toeplitz operators on the Bergman space.
Nikolai Vasilevski*, CINVESTAV, Mexico City
(9994728)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.5:20 p.m.
Special Session on Algebraic Geometry and Commutative Algebra, II
Room 121, Wilson
Organizers:
Juan C. Migliore, University of Notre Dame migliore.1@nd.edu
Uwe Nagel, University of Kentucky uwenagel@ms.uky.edu

2:30 p.m.
Gorenstein liaison of algebraic varieties.
Robin Hartshorne*, University of California, Berkeley
(9991472) 
3:30 p.m.
Betti Numbers and Degree Bounds For Some Linked Zeroschemes.
Leah H. Gold*, Texas A&M University
Hal Schenck, Texas A&M University
Hema Srinivasan, University of Missouri, Columbia
(99913157) 
4:00 p.m.
Bounds on the multiplicity of an ideal.
Christopher A. Francisco*, University of Missouri
(9991374) 
4:30 p.m.
Special resolutions and the EisenbudGreenHarris conjecture.
Ben Richert*, California Polytechnic State University
(99913267) 
5:00 p.m.
Lexifying Ideals.
Jeff Mermin*, Cornell University
Irena Peeva, Cornell University
(99913161)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.5:20 p.m.
Special Session on Inverse Problems, II
Room 209, Furman
Organizers:
Maeve L. McCarthy, Murray State University maeve.mccarthy@murraystate.edu
Rudi Weikard, University of Alabama at Birmingham rudi@math.uab.edu

2:30 p.m.
Continuity of a scattering transform for a firstorder system.
Russell M Brown*, University of Kentucky
(99935164) 
3:00 p.m.
On the Geometry of Optimal Windows.
Almut Burchard, University of Virginia
Jochen Denzler*, University of Tennessee, Knoxville
(99935125) 
3:30 p.m.
An inverse problem for the free boundary model of ductal carcinoma in situ.
Yongzhi Steve Xu*, University of Louisville
(99935120) 
4:00 p.m.
On a nonselfadjoint eigenvalue problem arising in fiber optics.
Martin Klaus*, Virginia Tech
(99934147) 
4:30 p.m.
Boundary Determination from Overposed Boundary Data in Parabolic Problems.
Lester Caudill*, University of Richmond
Kurt Bryan, RoseHulman Institute of Technology
(99935104) 
5:00 p.m.
An iterative stabilization method.
Charles W. Groetsch*, University of Cincinnati
(9996529)

2:30 p.m.

Saturday October 16, 2004, 2:30 p.m.4:55 p.m.
Session for Contributed Papers
Room 127, Wilson

2:30 p.m.
Representations and Estimates to Csiszar's fDivergence.
George A Anastassiou*, University of Memphis
(9994109) 
3:00 p.m.
On the global convergence analysis of a class of penalty function methods for general nonlinear programs.
Anhua Lin*, Middle Tennessee State University
(99990111) 
3:15 p.m.
Global Weak Hyperbolic Harmonic Maps into Euclidean Spheres.
Carlos J Almada*, Columbus State University
(99935166) 
3:30 p.m.
Some new existence and nonexistence results for positive solutions of third order nonlinear boundary value problems.
John R. Graef*, University of Tennessee at Chattanooga
Bo Yang, Kennesaw State University
(99934194) 
3:45 p.m.
A class of integrable dynamical systems and their connection to onedimensional inverse system.
Yilian Zhang*, University of South Carolina Aiken
Adrian I Nachman, University of Toronto
(99937236) 
4:00 p.m.
Explicit expressions of the generalized inverses and condensed Cramer rules.
Jun Ji*, Kennesaw State University
(99915223) 
4:45 p.m.
A Sequence of Orthogonal Polynomials and Its Application.
Maitree Podisuk*, Faculty of Science KMITL
(99965169)

2:30 p.m.
Sunday October 17, 2004

Sunday October 17, 2004, 8:00 a.m.12:00 p.m.
Meeting Registration
Lobby, Wilson 
Sunday October 17, 2004, 8:00 a.m.10:50 a.m.
Special Session on Nonlinear Partial Differential Equations and Application, III
Room 132, Furman
Organizers:
Gieri Simonett, Vanderbilt University simonett@math.vanderbilt.edu

8:00 a.m.
A Degenerate Parabolic Functional Differential Equation with Hysteresis.
J Ildefonso Diaz, Universidad Complutense de Madrid, Spain
Georg Hetzer*, Auburn University
Lourdes Tello, Universidad Politecnica de Madrid, Spain
(99935129) 
8:30 a.m.
Strong solutions to diffusive coagulationfragmentation equations.
Herbert Amann, University of Zurich
Christoph Walker*, Vanderbilt University, Nashville
(99935150) 
9:00 a.m.
Symmetry properties of positive solutions of parabolic equations on $R^N$.
Peter Polacik*, University of Minnesota
(99935158) 
9:30 a.m.
The Dirichlet problem for Hessian and curvature equations.
Bo Guan*, Ohio State University and University of Tennessee
(99935226) 
10:00 a.m.
Travelling wave solutions of nonlinear dispersive wave equations.
Hongqiu Chen*, University of Memphis and University of Illinois at Chicago
(99935181) 
10:30 a.m.
Discussion.

8:00 a.m.

Sunday October 17, 2004, 8:00 a.m.10:50 a.m.
Special Session on Graph Theory and Matroid Theory, III
Room 103, Calhoun
Organizers:
Mark N. Ellingham, Vanderbilt University mne@math.vanderbilt.edu
Michael D. Plummer, Vanderbilt University michael.d.plummer@vanderbilt.edu

8:00 a.m.
On Some Properties of Alphabet Overlap Graphs.
Anant Godbole, East Tennessee State University
Debra Knisley*, East Tennessee State University
Rick Norwood, East Tennessee State University
(99905195) 
8:30 a.m.
Largest Circuits in Matroids.
Nolan McMurray, University of North Carolina at Wilmington
Talmage J Reid*, The University of Mississippi
Wei Bing, The University of Mississippi
Bryan Williams, The University of Mississippi
Haidong Wu, The University of Mississippi
(99905198) 
9:00 a.m.
Nonseparating cocircuits in binary matroids.
Haidong Wu*, University of Mississippi
(99905218) 
9:30 a.m.
Some impediments to extending the fourcolor theorem.
Neil Robertson*, The Ohio State University
(99905273) 
10:00 a.m.
An Extremal Function for $K_{10}$ minors.
Zixia Song*, Ohio State University
(99905197) 
10:30 a.m.
Bonds in graphs.
Xujin Chen, University of Hong Kong
Xingxing Yu*, Georgia Institute of Technology
Wenan Zang, University of Hong Kong
(99905238)

8:00 a.m.

Sunday October 17, 2004, 8:00 a.m.10:50 a.m.
Special Session on Wavelets, Frames, and Sampling, III
Room 325, Furman
Organizers:
Akram Aldroubi, Vanderbilt University
Douglas P. Hardin, Vanderbilt University doug.hardin@vanderbilt.edu
Qiyu Sun, University of Central Florida qsun@mail.ucf.edu

8:00 a.m.
An inhomogeneous uncertainty principle for digital lowpass filters.
Bernhard G. Bodmann*, University of Houston
David K Hoffman, Dept. of Chemistry, Iowa State University, Ameslab
Donald J Kouri, Depts of Chemistry, Physics and Mathematics, University of Houston
Manos Papadakis, University of Houston
Qiyu Sun, University of Central Florida
(99942220) 
8:30 a.m.
Semiorthogonal wavelets for elliptical problems with nonuniform partitions.
David W Roach*, Murray State University
(99941271) 
9:00 a.m.
Balanced Scaling Vectors Using Fractal Functions.
Bruce Kessler*, Western Kentucky University
Matt Dawson, Western Kentucky University
Justin Grieves, Western Kentucky University
(99941248) 
9:30 a.m.
Wavelets on Nonuniform Knot Sequences.
Derek Bruff*, Harvard University
(99943266) 
10:00 a.m.
Constructing wavelets on nonuniform meshes using refinable macroelements.
Douglas P Hardin*, Vanderbilt University
(99941241) 
10:30 a.m.
Finite tight frames.
Dejun Feng, Qsinghua University
Long Wang*, Southern Polytechnic State University
Yang Wang, Georgia Institute of Technology
(99942291)

8:00 a.m.

Sunday October 17, 2004, 8:00 a.m.10:50 a.m.
Special Session on Universal Algebra and Lattice Theory, III
Room 109, Furman
Organizers:
Ralph N. McKenzie, Vanderbilt University mckenzie@math.vanderbilt.edu
George F. McNulty, University of South Carolina mcnulty@math.sc.edu

8:00 a.m.
Automatic Proofs and Countermodels With Application to Short Single Axioms.
William McCune*, Mathematics and Computer Science Division, Argonne National Laboratory
(99903247) 
8:50 a.m.
Some problems in varieties generated by finite algebras.
Kirby A. Baker*, University of California, Los Angeles
(99908165) 
9:20 a.m.
On a question of G. McNulty.
Ross Willard*, University of Waterloo
(99908182) 
9:50 a.m.
Finite axiomatizability for quasivarieties.
Miklos Maroti*, Vanderbilt University
(99908228) 
10:30 a.m.
Finitely Based Varieties of Directed Graph Algebras.
Brian L Walter*, The Evergreen State College
(9990852)

8:00 a.m.

Sunday October 17, 2004, 8:00 a.m.10:50 a.m.
Special Session on Topological Aspects of Group Theory, III
Room 103, Wilson
Organizers:
Michael L. Mihalik, Vanderbilt University mihalik@math.vanderbilt.edu
Mark V. Sapir, Vanderbilt University msapir@math.vanderbilt.edu

8:00 a.m.
Discussion. 
8:30 a.m.
On Singer Conjecture for Coxeter groups.
Boris Okun*, University of WisconsinMilwaukee
(9995766) 
9:00 a.m.
Are the Thompson Groups the Most Complex Subgroups of the Piecewise Linear Homeomorphisms of the Unit Interval?
Matthew G. Brin*, Binghamton University, NY
(9992067) 
9:30 a.m.
Properly $3$realizable groups.
Francisco F. Lasheras*, University of Seville, Spain
(9995512) 
10:00 a.m.
More on simplicial nonpositive curvature.
Tadeusz Januszkiewicz*, Ohio State University
Jacek Swiatkowski, Ohio State University
(99920287) 
10:30 a.m.
Regular neighbourhoods in group theory.
Gadde Swarup*, University of Melbourne
Peter Scott, University of Melbourne
(99920289)

8:00 a.m.

Sunday October 17, 2004, 8:00 a.m.10:50 a.m.
Special Session on Local and Homological Algebra, III
Room 115, Wilson
Organizers:
Florian Enescu, Georgia State University fenescu@mathstat.gsu.edu
Adela N. Vraciu, University of South Carolina vraciu@math.sc.edu

8:00 a.m.
Hilbert Polynomials Associated to Tor and Ext for Powers of Ideals.
Daniel L. Katz, University of Kansas, Lawrence, Kansas
Emanoil Theodorescu*, University of Missouri, Columbia, Missouri
(99913232) 
8:30 a.m.
Homology multipliers and the relation type of parameter ideals.
Laura Ghezzi*, Florida International University, Miami FL
(9991348) 
9:00 a.m.
Open loci of graded modules.
Liana M Sega*, Michigan State University
Christel Rotthaus, Michigan State University
(99913199) 
9:30 a.m.
Constructing modules with prescribed intersection properties.
Greg Piepmeyer, University of Nebraska
Paul C Roberts*, University of Utah
(99913142) 
10:00 a.m.
Integral closedness of almost complete intersection ideals.
Catalin Ciuperca*, University of MissouriColumbia
(99913176) 
10:30 a.m.
Growth of Ideals.
Sandra M. Spiroff*, University of Utah
Florian Enescu, Georgia State University
Catalin Ciuperca, University of Missouri
(99913210)

8:00 a.m.

Sunday October 17, 2004, 8:00 a.m.10:50 a.m.
Special Session on Operator Theory on Function Spaces, III
Room 112, Wilson
Organizers:
Dechao Zheng, Vanderbilt University dechao.zheng@vanderbilt.edu

8:00 a.m.
Interpolation sequences for Besov spaces of the complex ball.
Richard Rochberg*, Washington University
Nicola Arcozzi, University of Bologna
Eric Sawyer, McMaster University
(99946188) 
8:30 a.m.
Corona Solutions on the Polydisk in $C^n$ belonging to the Orlicztype Space $\exp(L^{\frac 1{2n1}})$.
Tavan T. Trent*, University of Alabama
(99932209) 
9:00 a.m.
Maximality theorems for Frechet algebras.
Zeljko Cuckovic*, University of Toledo, Ohio
N. V. Rao, University of Toledo, Ohio
(99930103) 
9:30 a.m.
Invariant subspaces for the backward shift on Hilbert spaces of analytic functions with regular norm.
A. Aleman, University of Lund
S. Richter*, University of Tennessee
C. Sundberg, University of Tennessee
(99947237) 
10:00 a.m.
Value Distributions of Interpolating Blaschke Products.
Pamela Gorkin*, Bucknell University
Raymond Mortini, University of Metz
(99946145) 
10:30 a.m.
Interpolation without separation in Bergman spaces.
Daniel H. Luecking*, University of Arkansas
(9993020)

8:00 a.m.

Sunday October 17, 2004, 8:00 a.m.10:50 a.m.
Special Session on Algebraic Geometry and Commutative Algebra, III
Room 121, Wilson
Organizers:
Juan C. Migliore, University of Notre Dame migliore.1@nd.edu
Uwe Nagel, University of Kentucky uwenagel@ms.uky.edu

8:00 a.m.
Asymptotic behaviour of arithmetically CohenMacaulay blowups.
H. Tai Ha*, Tulane University
(99913138) 
8:30 a.m.
Graded algebras of surface singularities.
Steven Dale Cutkosky*, University of Missouri
(99914252) 
9:00 a.m.
Factorization of Matrices and Birational Maps.
Steven Dale Cutkosky, University of Missouri
Hema Srinivasan*, University of Missouri
(99915256) 
9:30 a.m.
Primes associated to the integral closure of torsionfree symmetric powers of a module.
Glenn Rice*, University of Kansas
Daniel Katz, University of Kansas
(99913155) 
10:00 a.m.
Green's Hyperplane Restriction Theorem and the EakinSathaye Theorem.
Giulio Caviglia*, Mathematical Sciences Research Institute, Berkeley
(99913268) 
10:30 a.m.
Prolongation of additive invariants and the conjecture of McClintock.
Joseph P Brennan*, North Dakota State University
Robert M Fossum, Beckman Institute, University of Illinois
(99913264)

8:00 a.m.

Sunday October 17, 2004, 8:00 a.m.10:50 a.m.
Special Session on Inverse Problems, III
Room 209, Furman
Organizers:
Maeve L. McCarthy, Murray State University maeve.mccarthy@murraystate.edu
Rudi Weikard, University of Alabama at Birmingham rudi@math.uab.edu

8:00 a.m.
Failure of uniqueness in the inverse conductivity problem.
Allan Greenleaf*, University of Rochester
Matti Lassas, Helsinki University of Technology
Gunther Uhlmann, University of Washington
(99935137) 
8:30 a.m.
Stable determination of generic simple metrics from the hyperbolic DN map.
Plamen Stefanov*, Purdue University
Gunther Uhlmann, University of Washington
(9995373) 
9:00 a.m.
The Borg Problem on Trees.
B M Brown*, Cardiff University School of Computer Science
R Weikard, University of Alabama at Birmingham
(99934112) 
9:30 a.m.
Nonuniqueness in the parameter identification for anisotropic elastodynamics.
Anna L Mazzucato*, Penn State University
Lizabeth V Rachele, RPI
(9995357) 
10:00 a.m.
Inverse Problems for Anisotropic Elastic Media.
Lizabeth V Rachele*, Rensselaer Polytechnic Institute
(9993524) 
10:30 a.m.
The representation of the Dirichlet to Neumann map.
Amin Boumenir*, State University of West Georgia
(9993515)

8:00 a.m.

Sunday October 17, 2004, 8:00 a.m.12:00 p.m.
Exhibit and Book Sale
Lobby, Wilson 
Sunday October 17, 2004, 8:20 a.m.10:50 a.m.
Special Session on Geometry of Hyperbolic Manifolds, III
Room 122, Wilson
Organizers:
John G. Ratcliffe, Vanderbilt University ratclifj@math.vanderbilt.edu
Steven T. Tschantz, Vanderbilt University tschantz@math.vanderbilt.edu

8:20 a.m.
Hyperbolic volume and mod 2 homology, Part I.
Marc Culler, University of Illinois at Chicago
Peter B. Shalen*, University of Illinois at Chicago
(99957270) 
9:00 a.m.
Hyperbolic volume and mod 2 homology, Part II.
Marc Culler*, University of Illinois at Chicago
Peter B. Shalen, University of Illinois at Chicago
(99957272) 
9:40 a.m.
Subgroup separability of free products with amalgamation of hyperbolic $3$manifold groups.
Emily Hamilton*, Emory University
(99957200) 
10:20 a.m.
Covers of arithmetic 3orbifolds with positive first betti number.
Alan W Reid*, U. T. Austin
(99957185)

8:20 a.m.

Sunday October 17, 2004, 8:20 a.m.10:50 a.m.
Special Session on Index Theory and the Topology of Manifolds, III
Room 113, Wilson
Organizers:
Bruce Hughes, Vanderbilt University bruce.hughes@vanderbilt.edu
Guoliang Yu, Vanderbilt University gyu@math.vanderbilt.edu

8:20 a.m.
Analytic properties of groups acting on CAT(0) cube complexes.
Erik Guentner*, University of Hawaii, Manoa
Nigel Higson, Pennsylvania State University
(99946276) 
9:00 a.m.
On the Algebraic $K$ and $L$theory of Word Hyperbolic Groups.
David Rosenthal*, St. John's University
Dirk Schuetz, Westfalische WilhelmsUniversitat Muenster
(9992077) 
9:40 a.m.
Large scale geometry of Sarithmetic groups and the integral Novikov conjectures.
Lizhen Ji*, University of Michigan, Ann Arbor
(9992283) 
10:20 a.m.
Family Version of Surgery Theory.
Bruce Williams*, U. of Notre Dame
(99957202)

8:20 a.m.

Sunday October 17, 2004, 8:30 a.m.10:50 a.m.
Special Session on Biomathematics, III
Room 311, Furman
Organizers:
Laurent PujoMenjouet, Vanderbilt University laurent.q.pujomenjouet@vanderbilt.edu
Glenn F. Webb, Vanderbilt University glenn.f.webb@vanderbilt.edu

8:30 a.m.
Stability of $n$Dimensional Patterns in a Generalized Turing System: Implications for Pattern Formation in Vertebrate Limb Development.
Tilmann Glimm*, Department of Physics, Emory University, Atlanta, Ga
(99992214) 
9:00 a.m.
Traveling waves for a biological reactiondiffusion system.
Wenzhang Huang*, University of Alabama in Huntsville
(9993554) 
9:30 a.m.
The Formation of Tree Leaves.
Qinglan Xia*, University of Texas at Austin
(9999226) 
10:00 a.m.
Introduction to an Optimal Control and its application to a Fishery Model.
Hem Raj Joshi*, Xavier University
Suzanne Lenhart, University OF Tennessee
Mike Neubert, Woods Hole Oceanographic Institute
(99949110) 
10:30 a.m.
A state space model for HIV pathogenesis invloving plasma and lymph nodes.
W. Y. Tan*, University of Memphis
P. Zhang, University of Memphis
X. Xiong, Department of Biostatistics, St Jude Childrens Research Hospital, Memphis, TN
(9996238)

8:30 a.m.

Sunday October 17, 2004, 8:30 a.m.10:40 a.m.
Special Session on Semigroup Theory, III
Room 217, Furman
Organizers:
Matthew I. Gould, Vanderbilt University matthew.gould@vanderbilt.edu
Karen Ann Linton, California State Polytechnic University, Pomona kalinton@csupomona.edu

8:30 a.m.
Maximal inverse semigroups of transformations.
Boyko G. Gyurov*, University of Arkansas
Boris M. Schein, University of Arkansas, Fayetteville, AR
(9992087) 
9:00 a.m.
Totally Ordered $E$unitary Inverse Semigroups.
Gracinda M. S. Gomes, Centro de \'{A}lgebra da Universidade de Lisboa (CAUL)
Donald B. McAlister*, Northern Illinois University and CAUL
(9992062) 
9:30 a.m.
Representation Theory of Finite Semigroups and Formal Language Theory.
Jorge Almeida, University of Porto
Stuart W. Margolis*, BarIlan University
Benjamin Steinberg, Carleton University
Mikhail V. Volkov, University of the Urals
(9992047) 
10:10 a.m.
The free idempotentgenerated semigroup on a biordered set.
Stuart Margolis, Bar Ilan University
John C Meakin*, University of NebraskaLincoln
(9992097)

8:30 a.m.

Sunday October 17, 2004, 9:10 a.m.10:50 a.m.
Special Session on Von Neumann Algebras and Noncommutative Ergodic Theory, III
Room 126, Wilson
Organizers:
Dietmar Bisch, Vanderbilt University bisch@math.vanderbilt.edu
Sorin T. Popa, University of California Los Angeles popa@math.ucla.edu

9:10 a.m.
Estimates for nonmicrostates free entorpy dimension.
Dimitri Shlyakhtenko*, UCLA
(99946115) 
10:00 a.m.
A rigidity result for irrational rotation $HT$ factors.
Remus Nicoara*, Vanderbilt University
Sorin Popa, University of California Los Angeles
Roman Sasyk, Purdue University
(9994633) 
10:30 a.m.
On the topology of the Kasparov groups and its applications.
Marius Dadarlat*, Purdue University
(9994664)

9:10 a.m.

Sunday October 17, 2004, 11:00 a.m.11:50 a.m.
Invited Address
Artin groups, mapping class groups and automorphism groups.
Room 103, Wilson
Ruth M. Charney*, Brandeis University
(9992001) 
Sunday October 17, 2004, 1:30 p.m.2:20 p.m.
Invited Address
Inverse problems for SturmLiouville equations.
Room 103, Wilson
Rudi Weikard*, University of Alabama at Birmingham
(9993404) 
Sunday October 17, 2004, 2:30 p.m.5:00 p.m.
Special Session on Geometry of Hyperbolic Manifolds, IV
Room 122, Wilson
Organizers:
John G. Ratcliffe, Vanderbilt University ratclifj@math.vanderbilt.edu
Steven T. Tschantz, Vanderbilt University tschantz@math.vanderbilt.edu

2:30 p.m.
Classification of negatively pinched manifolds with amenable fundamental groups.
Igor Belegradek*, Georgia Tech
Vitali Kapovitch, Universität Münster
(9995382) 
3:10 p.m.
Hyperbolic structure on some complements of tori and Klein bottles in the 4sphere.
Dubravko Ivan\v si\' c*, Murray State University
John G. Ratcliffe, Vanderbilt University
Steven T. Tschantz, Vanderbilt University
(99957105) 
3:50 p.m.
Some examples of aspherical 4manifolds that are homology 4spheres.
John G. Ratcliffe*, Vanderbilt University
Steven T. Tschantz, Vanderbilt University
(99957206) 
4:30 p.m.
The Smallest Hyperbolic 6Manifolds.
Brent Everitt, University of York
John Ratcliffe, Vanderbilt University
Steven Tschantz*, Vanderbilt University
(99957191)

2:30 p.m.

Sunday October 17, 2004, 2:30 p.m.4:20 p.m.
Special Session on Biomathematics, IV
Room 311, Furman
Organizers:
Laurent PujoMenjouet, Vanderbilt University laurent.q.pujomenjouet@vanderbilt.edu
Glenn F. Webb, Vanderbilt University glenn.f.webb@vanderbilt.edu

2:30 p.m.
HIV and Culture.
Keith E Howard*, Kenyon College
(9993417) 
3:00 p.m.
The model for strep throat infection.
Yan Zhao*, Vanderbilt University
(9991541) 
3:30 p.m.
Transmission Dynamics of Antibiotic Resistance in Hospitals.
Erika M. D'Agata, Beth Israel Deaconess Medical Center, Division of Infectious Diseases
Mary Ann Horn, Vanderbilt University
Glenn F. Webb*, Vanderbilt University
(9999291) 
4:00 p.m.
The solution differential systems with delay and with commutative matrixes.
Iryna Uleychuk*, Ukranian Academy Ecology Technologes
(99934183)

2:30 p.m.

Sunday October 17, 2004, 2:30 p.m.4:50 p.m.
Special Session on Semigroup Theory, IV
Room 217, Furman
Organizers:
Matthew I. Gould, Vanderbilt University matthew.gould@vanderbilt.edu
Karen Ann Linton, California State Polytechnic University, Pomona kalinton@csupomona.edu

2:30 p.m.
Asymptotic growth of free spectra of finite semigroups.
Steven Seif*, University of Louisville
(99920229) 
3:00 p.m.
A finitely generated variety of semigroups whose finite membership problem is NPhard.
Ralph N McKenzie*, Vanderbilt University
Michael Jackson, La Trobe University (Melbourne, Australia)
(9990890) 
3:30 p.m.
Permutative semigroups whose congruences form a chain.
Peter R. Jones*, Marquette University
Attila Nagy, Budapest University of Technology and Economics
(9992080) 
4:00 p.m.
Faithful Functors and Ample Semigroups.
Victoria Gould, University of York
Mark Kambites*, Carleton University
(99920133) 
4:30 p.m.
Extensions of endomorphisms of free groups to their profinite completions.
Mark Sapir*, Vanderbilt University
(9992056)

2:30 p.m.

Sunday October 17, 2004, 2:30 p.m.5:20 p.m.
Special Session on Graph Theory and Matroid Theory, IV
Room 103, Calhoun
Organizers:
Mark N. Ellingham, Vanderbilt University mne@math.vanderbilt.edu
Michael D. Plummer, Vanderbilt University michael.d.plummer@vanderbilt.edu

2:30 p.m.
A Game of Edge Removal on Graphs.
Bert L. Hartnell*, Saint Mary's University
Doug F. Rall, Furman University
(99905109) 
3:00 p.m.
On 4 and 5 Connected WellCovered Triangulations.
Arthur S Finbow*, Saint Mary's University
B Hartnell, Saint Mary's University
R Nowakowski, Dalhousie University
M D Plummer, Vanderbilt University
(99905262) 
3:30 p.m.
Colored domination and colored independence in graphs.
Peter John Slater*, University of Alabama in Huntsville
(99905187) 
4:00 p.m.
An Old Decomposition Problem.
Guantao Chen, Georgia State University
Richard H. Schelp*, University of Memphis
(99905126) 
4:30 p.m.
Hamiltonicity of generalized prisms.
Roman \v{C}ada, University of West Bohemia, and ITI, Charles University, Czech Republic
Evelyne Flandrin*, LRI, Universit\'{e} ParisSud, France
Hao Li, LRI, Universit\'{e} ParisSud, France
(99905242) 
5:00 p.m.
Hamiltonian Graphs and Linear Forests.
Guantao Chen, Georgia State University
Ralph Faudree*, University of Memphis
Ronald Gould, Emory University
Michael Jacobson, University of Colorado at Denver
Linda Lesniak, Drew University
Florian Pfender, Emory University
(99905253)

2:30 p.m.

Sunday October 17, 2004, 2:30 p.m.4:30 p.m.
Special Session on Von Neumann Algebras and Noncommutative Ergodic Theory, IV
Room 126, Wilson
Organizers:
Dietmar Bisch, Vanderbilt University bisch@math.vanderbilt.edu
Sorin T. Popa, University of California Los Angeles popa@math.ucla.edu

2:30 p.m.
Orbit equivalence Rigidity.
Nicolas Monod*, University of Chicago
(99937193) 
3:20 p.m.
Intermediate Subfactors.
Dietmar Bisch*, Vanderbilt University
(99946159) 
3:50 p.m.
The Pukanszky invariant and group von Neumann algebras.
Allan M Sinclair, Univ. of Edinburgh
Roger R Smith*, Texas A\&M University
(9994689)

2:30 p.m.

Sunday October 17, 2004, 2:30 p.m.5:40 p.m.
Special Session on Index Theory and the Topology of Manifolds, IV
Room 113, Wilson
Organizers:
Bruce Hughes, Vanderbilt University bruce.hughes@vanderbilt.edu
Guoliang Yu, Vanderbilt University gyu@math.vanderbilt.edu

2:30 p.m.
Topological invariants of 3manifolds arising in the Ktheory of AF C*algebras.
Igor Nikolaev*, Calgary
(9991971) 
3:10 p.m.
Group actions on aspherical manifolds.
Shmuel Weinberger*, University of Chicago
(99957146) 
3:50 p.m.
A Complete Obstruction to the Existence of Nonvanishing Vector Fields on AlmostComplex, Closed Orbifolds.
Christopher W. Seaton*, Rhodes College
(99957121) 
4:30 p.m.
The GromovLawsonRosenberg Conjecture for cocompact Fuchsian groups.
James F. Davis*, Indiana University
Kimberly Pearson, Valparaiso University
(99953277) 
5:10 p.m.
Discussion.

2:30 p.m.

Sunday October 17, 2004, 2:30 p.m.5:20 p.m.
Special Session on Universal Algebra and Lattice Theory, IV
Room 109, Furman
Organizers:
Ralph N. McKenzie, Vanderbilt University mckenzie@math.vanderbilt.edu
George F. McNulty, University of South Carolina mcnulty@math.sc.edu

2:30 p.m.
Complex Algebras of Subalgebras.
Kira Adaricheva*, Harold Washington College, Chicago, Illinois
Agata Pilitowska, Warsaw University of Technology, Warsaw, Poland
(99908135) 
3:00 p.m.
Sectionally complemented lattices and congruence restrictions.
G. Gr\"atzer*, University of Manitoba
H. Lakser, University of Manitoba
(9990692) 
3:30 p.m.
Open Questions Related to the Problem of Birkhoff and Maltsev.
M. E. Adams, State University of New York at New Paltz
K. V. Adaricheva, Harold Washington College at Chicago
W. Dziobiak*, University of Puerto Rico at Mayaguez
A. V. Kravchenko, Institute of Mathematics of the Siberian Branch of RAS
(99906178) 
4:00 p.m.
Join prime elements in join semidistributive lattices.
J. B. Nation*, University of Hawaii
(99906224) 
4:30 p.m.
Simple Boolean algebras with operators.
Steven R. Givant*, Mills College
(9990842) 
5:00 p.m.
Minimal Albebras in Semidistributive Varieties.
Ju Wang*, GuangXi Normal University
(99908283)

2:30 p.m.

Sunday October 17, 2004, 2:30 p.m.5:20 p.m.
Special Session on Topological Aspects of Group Theory, IV
Room 103, Wilson
Organizers:
Michael L. Mihalik, Vanderbilt University mihalik@math.vanderbilt.edu
Mark V. Sapir, Vanderbilt University msapir@math.vanderbilt.edu

2:30 p.m.
Discrete Morse Theory and Graph Braid Groups.
Daniel S Farley*, University of Illinois at UrbanaChampaign
Lucas Sabalka, University of Illinois at UrbanaChampaign
(99920230) 
3:00 p.m.
The homology of Richard Thompson's group $F$.
Kenneth S. Brown*, Cornell University
(99920106) 
3:30 p.m.
Quasiconvex subgroups of rightangled Coxeter groups.
Patrick Bahls*, University of Illinois, UrbanaChampaign
(9992051) 
4:00 p.m.
Algebras derived from dimension theory.
Jerzy None Dydak*, University of Tennessee
(9995585) 
4:30 p.m.
Graph representatives and free group endomorphisms.
Michael R Kelly*, Loyola University  New Orleans
(99955286) 
5:00 p.m.
Discussion.

2:30 p.m.

Sunday October 17, 2004, 2:30 p.m.4:20 p.m.
Special Session on Local and Homological Algebra, IV
Room 115, Wilson
Organizers:
Florian Enescu, Georgia State University fenescu@mathstat.gsu.edu
Adela N. Vraciu, University of South Carolina vraciu@math.sc.edu

2:30 p.m.
Semidualizing modules.
Sean M. SatherWagstaff*, University of NebraskaLincoln
(99913136) 
3:00 p.m.
Betti numbers of multigraded modules.
H. Charalambous, University at Albany, SUNY
A. Tchernev*, University at Albany, SUNY
(9991325) 
3:30 p.m.
Submodules and Quotients of Cofinite Modules.
Janet Cowden Vassilev*, University of Arkansas
(9991350) 
4:00 p.m.
The colengh and multiplicity of an $\mathfrak m$primary ideal.
CY. Jean Chan*, University of Arkansas, Fayetteville
JungChen Liu, National Taiwan Normal University
Bernd Ulrich, Purdue University
(99913222)

2:30 p.m.

Sunday October 17, 2004, 2:30 p.m.5:20 p.m.
Special Session on Operator Theory on Function Spaces, IV
Room 112, Wilson
Organizers:
Dechao Zheng, Vanderbilt University dechao.zheng@vanderbilt.edu

2:30 p.m.
C*Algebras and Function Algebras on the Unit Disk.
Ronald G. Douglas*, Texas A\&M University
(99947190) 
3:00 p.m.
Fredholm theory for an ntuple of commuting operators.
Xiang Fang*, University of Alabama
(9994710) 
3:30 p.m.
Defect operators of analytic Hilbert modules.
Kunyu Guo*, Fudan University
(9994746) 
4:00 p.m.
Toepltz algebras on reproducing $C[z_1,\cdots,z_d]$modules and its automorphism group.
Xu Xian Min*, Jiaxing University
Hu Jun Yun, Jiaxing University
Sun Shun Hua, Jiaxing University
Guo Yu Kun, Fudan University
(99947285) 
4:30 p.m.
A Generalization of Kantrovich Inequality to two Operators.
Morteza Seddighin*, Indiana University East
(9994735) 
5:00 p.m.
Discussion.

2:30 p.m.