
AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:10:12
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2000 Fall Central Section Meeting
Toronto, Ontario Canada, September 2324, 2000
Meeting #957
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Saturday September 23, 2000

Saturday September 23, 2000, 8:00 a.m.4:30 p.m.
Meeting Registration
Foyer, Sandford Fleming Building

Saturday September 23, 2000, 8:00 a.m.4:30 p.m.
Exhibit and Book Sale
Room 1013, Sandford Fleming Building

Saturday September 23, 2000, 8:30 a.m.11:20 a.m.
Special Session on Commutative Algebra and Algebraic Geometry, I
Room 4171, Medical Sciences Building Organizers: Anthony Geramita, Queens University tony@mast.queensu.ca
William Traves, United States Naval Academy traves@usna.edu

8:30 a.m.
Uniform behavior of symbolic powers of ideals.
Lawrence Ein, University of Illinois, Chicago
Robert Lazarsfeld, University of Michigan
Karen E Smith*, Univeristy of Michigan
(95713131)

9:00 a.m.
Applications of pseudocanonical covers to tight closure problems.
Florian Enescu*, Department of Mathematics, University of Michigan
(9571399)

9:30 a.m.
Closed formulas for the core of an ideal.
Claudia Polini*, University of Oregon
(9571320)

10:00 a.m.
The Conductor of Submonoids of $\mathbb{N}^n$.
Leslie G Roberts*, Queen's University
Les Reid, Southwest Missouri State University
(95713119)

10:30 a.m.
$\mathcal{D}$modules on Smooth Toric Varieties.
Mircea Mustata, University of California, Berkeley
Gregory G Smith*, University of California, Berkeley
Harrison Tsai, Cornell University
Uli Walther, Purdue University
(95714223)

11:00 a.m.
How to compute associated primes of $D$modules.
Harrison K Tsai*, Cornell University
(95713110)

Saturday September 23, 2000, 8:30 a.m.11:15 a.m.
Special Session on Representation Theory of Infinite Dimensional Lie Algebras, I
Room 3163, Medical Sciences Building Organizers: Yun Gao, York University ygao@yorku.ca

8:30 a.m.
Radicals of vertex operator algebras.
Chongying Dong*, University of California, Santa Cruz
(95717152)

9:30 a.m.
Downup algebras and twoparameter quantum groups.
Sarah Witherspoon*, University of Massachusetts
Georgia Benkart, University of Wisconsin
(95716213)

10:30 a.m.
On Modules of Bounded Multiplicities.
Daniel J. Britten*, University of Windsor
Francis W. Lemire, University of Windsor
(95717339)

Saturday September 23, 2000, 8:30 a.m.11:20 a.m.
Special Session on Discrete and Applied Geometry, I
Room 3171, Medical Sciences Building Organizers: Asia Ivic Weiss, York University weiss@pascal.math.yorku.ca
Walter Whiteley, York University whiteley@pascal.math.yorku.ca

8:30 a.m.
Triangles that tile the sphere: some new results.
Robert J Dawson*, Saint Mary's University
(95752293)

9:00 a.m.
Matroidally rigid polytopes.
Ted Bisztriczky*, University of Calgary
(9575181)

9:30 a.m.
Separation in TotallySewn 4Polytopes (Part 1).
Wendy A FinbowSingh*, University of Calgary
Deborah OliverosBraniff, University of Calgary
(95752264)

10:00 a.m.
Separation in TotallySewn 4Polytopes (Part 2).
Wendy A FinbowSingh, University of Calgary
Deborah OliverosBraniff*, University of Calgary
(95752263)

10:30 a.m.
Discussion

11:00 a.m.
Shapes that do well in covering, tiling and packing problems.
T.Y. Lee*, University of Maryland
Doug Szajda, University of Maryland
(9575214)

Saturday September 23, 2000, 9:00 a.m.11:20 a.m.
Special Session on Ergodic Theory and Dynamical Systems, I
Room 1105, Sandford Fleming Building Organizers: Andres del Junco, University of Toronto deljunco@math.toronto.edu
Blair Madore, SUNY, Potsdam madorebf@potsdam.edu

9:00 a.m.
Dynamics of measure preserving homeomorphisms.
Vidhu S Prasad*, University of Massachusetts Lowell
(9573734)

9:30 a.m.
The $T,T^{1}$process, finitary codings and weak Bernoulli.
Jeffrey E Steif*, Georgia Institute of Technology
(95737100)

10:00 a.m.
Discussion

10:30 a.m.
Centralizers and Factors of Products of Nonsingular Chacon Transformations.
Andres del Junco, University of Toronto
Cesar E. Silva*, Williams College
(95737301)

11:00 a.m.
Some questions on squarefunctions and subsequence theorems.
Mate Wierdl*, University of Memphis
(95737209)

Saturday September 23, 2000, 9:00 a.m.11:20 a.m.
Special Session on Nonabsolute Integration, I
Room 120, Galbraith Building Organizers: Patrick Muldowney, University of Ulster P.Muldowney@ulst.ac.uk
Erik Talvila, University of Illinois, Urbana talvila@math.uiuc.edu

9:00 a.m.
Nonabsolute Integration in the Twentieth Century.
Peter Bullen*, University of British Columbia
(9572683)

10:00 a.m.
The Construction of Major and Minor Functions Using Gauges and Riemann Sums.
John Coffey*, Purdue University Calumet
Robert Merkovsky, Purdue University Calumet
(9572609)

10:30 a.m.
Impulsive retarded differential equations in Banach spaces via BochnerLebesgue and Henstock integrals.
M\'{a}rcia Federson*, Universidade de S\~{a}o Paulo / ICMC
Pl\'{a}cido T\'{a}boas, Universidade de S\~{a}o Paulo / ICMC
(9573410)

11:00 a.m.
Covering Theorems and Lebesgue Integration.
Peter A Loeb*, University of Illinois, ChampaignUrbana
Erik Talvila, University of Alberta
(9572648)

Saturday September 23, 2000, 9:00 a.m.10:50 a.m.
Special Session on Functional Differential Equations and Applications, I
Room 244, Galbraith Building Organizers: Anatoli F. Ivanov, Pennsylvania State University afi1@psu.edu
Jianhong Wu, York University wujh@pascal.math.yorku.ca

9:00 a.m.
Contracting return maps for monotone delayed feedback.
HansOtto Walther*, Universitaet Giessen
(9573428)

10:00 a.m.
Structured Population on Two Patches: Modeling Dispersal and Delay.
Joseph So*, University of Alberta
Jianhong Wu, York University
Xingfu Zou, Memorial University
(95792161)

10:30 a.m.
A RD model for agestructured population on unbounderd domaintraveling wave fronts.
Xingfu Zou*, Memorial University of Newfoundland
(9573562)

Saturday September 23, 2000, 9:00 a.m.11:30 a.m.
Special Session on Pseudodifferential Operators, Wavelet Transforms and Related Topics, I
Room 220, Galbraith Building Organizers: M. W. Wong, York University mwwong@pascal.math.yorku.ca

9:00 a.m.
On the BerezinToeplitz Calculus.
Lewis A Coburn*, SUNY at Buffalo
(9574706)

10:00 a.m.
The Plancherel Transform, Squareintegrability and Wigner functions.
Syed T Ali*, Concordia University, Montreal
(95720246)

11:00 a.m.
OperatorTheoretic Interpolation of Wavelets and Frames.
David R. Larson*, Texas A\&M University
(95746277)

Saturday September 23, 2000, 9:00 a.m.11:20 a.m.
Special Session on Set Theory and SetTheoretic Topology, I
Room 4102, Sandford Fleming Building Organizers: Franklin D. Tall, University of Toronto tall@math.toronto.edu

9:00 a.m.
Another covering property proof via elementarysubmodels.
Zoltan T. Balogh*, Miami University, Oxford, OH 45056
(9575458)

9:30 a.m.
CH and the MooreMrowka Problem.
Erick Todd Eisworth*, University of Northern Iowa
(95754331)

10:00 a.m.
Polyadic spaces of tightness $\tau$.
Murray Bell*, University of Manitoba
(95754343)

10:30 a.m.
Locally compact Dowker spaces.
Peter J Nyikos*, University of South Carolina
(95754309)

11:00 a.m.
On spaces related to $\omega_\mu$metrizable spaces.
Jerry E Vaughan*, University of North Carolina at Greesnboro
(95754314)

Saturday September 23, 2000, 9:00 a.m.11:25 a.m.
Special Session on Computational Wavelet Analysis, I
Room 221, Galbraith Building Organizers: Sebastian Ferrando, Ryerson Polytechnic University ferrando@acs.ryerson.ca
Larry Kolasa, Ryerson Polytechnic University lkolasa@acs.ryerson.ca

9:00 a.m.
Wavelet analysis of seasonal longmemory time series.
Brandon J Whitcher*, EURANDOM
(9576235)

9:30 a.m.
Wavelet Analysis of Raman Spectral Data.
Tony T Cai*, Department of Statistics/Purdue University
(95762237)

10:00 a.m.
Multiple Components Representation of Functional MR images for Human Brain Mapping.
Francois G. Meyer*, university of colorado
(95792307)

10:30 a.m.
Anisitropic wavelet smoothing of functional Magnetic Resonance Imaging.
Bradley j Lucier*, Purdue University
(95765286)

11:00 a.m.
Discussion

Saturday September 23, 2000, 9:00 a.m.11:25 a.m.
Special Session on Applied Categorical Structures, I
Room 2173, Medical Sciences Building Organizers: Joan Wick Pelletier, York University jwpell@yorku.ca
Walter Tholen, York University walter.tholen@mathstat.yorku.ca

9:00 a.m.
Higher category theory.
Andre Joyal*, UQAM Universit\'e du Qu\'ebec \`a Montr\'eal
(95718235)

9:30 a.m.
Some absolute pullbacks and pushouts in $\boldsymbol{\Delta}$.
Myles Tierney*, Rutgers University
(9571876)

10:00 a.m.
Nerves of Bicategories: Morphisms and Simplicial Maps.
John W Duskin*, State University of New York at Buffalo
(95718198)

10:30 a.m.
Higher fundamental functors in some categories of presheaves.
Marco Grandis*, Dipartimento di Matematica, Univ. di Genova, I
(9571839)

11:00 a.m.
A higher dimensional homotopy sequence.
Marco Grandis, Universita' di Genova
Enrico Vitale*, Universite' catholique de Louvain
(9571877)

Saturday September 23, 2000, 9:00 a.m.11:20 a.m.
Special Session on Modern Schubert Calculus, I
Room 119, Galbraith Building Organizers: Nantel Bergeron, York University bergeron@mathstat.yorku.ca
Frank Sottile, University of Wisconsin sottile@math.umass.edu

9:00 a.m.
Stratified spaces formed by totally positive varieties.
Sergey Fomin*, University of Michigan
Michael Z Shapiro, KTH Stockholm
(95714239)

9:30 a.m.
Connected components of real double Bruhat cells.
Andrei Zelevinsky*, Northeastern University
(95714247)

10:00 a.m.
Connections between singular loci and cohomology of Schubert Varieties.
Sara C Billey*, M.I.T.
(95705302)

10:30 a.m.
Smooth Schubert varieties in partial flag manifolds.
Vesslin Gasharov, Cornell University
Victor Reiner*, University of Minnesota
(95705173)

11:00 a.m.
Isotropic Schubert calculus and polytopes.
Nantel Bergeron, York University
Stefan Mykytiuk, York University
Frank Sottile, University of Massachusetts at Amherst
Stephanie van Willigenburg*, Cornell University
(95705206)

Saturday September 23, 2000, 9:00 a.m.11:20 a.m.
Special Session on Analytic Number Theory, I
Room 2172, Medical Sciences Building Organizers: John Friedlander, University of Toronto frdlndr@math.toronto.edu
Steve Gonek, University of Rochester gonek@math.rochester.edu

9:00 a.m.
Zeta functions of an infinite family of $K3$ surfaces.
Scott D Ahlgren*, Colgate University
Ken Ono, University of Wisconsin
David Penniston, Furman University
(95711220)

9:30 a.m.
Extensions of the ChowlaSelberg formula.
Kenneth S Williams*, Carleton University
(95711150)

10:00 a.m.
Class Numbers of Binary Cubic Forms.
Michael A Bennett*, University of Illinois, UrbanaChampaign
Trevor D Wooley, University of Michigan
(95711127)

10:30 a.m.
Monochromatic Unit Fractions.
Ernest S Croot*, The University of Georgia
(95711170)

11:00 a.m.
Subconvexity bounds for Artin Lfunctions.
William Duke, Rutgers University
John B Friedlander, University of Toronto
Henryk Iwaniec*, Rutgers University
(95711145)

Saturday September 23, 2000, 9:00 a.m.11:20 a.m.
Special Session on Nonlinear Functional Analysis, I
Room 248, Galbraith Building Organizers: Sankatha Singh, Memorial University of Newfoundland ssingh@morgan.ucs.mun.ca
Bruce Watson, Memorial University of Newfoundland bruce2@math.mun.ca

9:00 a.m.
Simultaneous interpolation and approximation by a class of multivariate positive operators.
Giampietro Allasia*, University of Turin
(9574747)

9:30 a.m.
On some singularity concept for kernels of nonlinear integral operators.
Carlo Bardaro*, Dipartimento di Matematica e Informatica, Universit\'a degli Studi di Perugia
(9574785)

10:00 a.m.
The attainable order of collocation solutions for weakly singular nonlinear Volterra integral equations with nonvanishing delays.
Hermann Brunner*, Memorial University of Newfoundland
(95745138)

10:30 a.m.
Recent progress on iterative methods for nonlinear pseudocontractions.
Charles Chidume*, International Centre for Theoretical Physics, Trieste, Italy
(9574743)

11:00 a.m.
Constrained saddle point theorems and eigenvalues of nonlinear operators.
Raffaele Chiappinelli*, Dipartimento di Matematica, Universita' di Siena
(9574768)

Saturday September 23, 2000, 9:00 a.m.11:20 a.m.
Special Session on Noncommutative Geometry, I
Room 3202, Sandford Fleming Building Organizers: Ryszard Nest, University of Copenhagen rnest@math.ku.dk
Victor Nistor, Pennsylvania State University nistor@math.psu.edu
Boris Tsygan, Pennsylvania State University tsygan@math.psu.edu

9:00 a.m.
Homology of complete symbols and noncommutative geometry.
MoulayTahar Benameur*, Institut Desargues, Lyon, France
(95758243)

9:30 a.m.
Secondary Characteristic Classes and Cyclic Cohomology of Hopf Algebras and Algebroids.
Alexander Gorokhovsky*, University of Michigan
(95753287)

10:00 a.m.
Break

10:30 a.m.
Cyclic Cohomology of Quantum Groups.
Masoud Khalkhali*, Western Ontario
(95718249)

11:00 a.m.
On the index of perturbed Dirac Operators on Manifolds with Corners.
Paul A Loya*, Boston University
Richard B Melrose, MIT
(9575884)

Saturday September 23, 2000, 9:00 a.m.11:25 a.m.
Special Session on Probability, I
Room 305, Galbraith Building Organizers: Neal Madras, York University madras@pascal.math.yorku.ca
George L. O'Brien, York University obrien@yorku.ca
Thomas Salisbury, York University salt@pascal.math.yorku.ca
Donna Salopek, York University dsalopek@yorku.ca

9:00 a.m.
On the volume of the intersection of two Wiener sausages.
Frank den Hollander*, EURANDOM
(95760191)

9:45 a.m.
Idempotent probability and large deviations.
Anatolii A. Puhalskii*, University of Colorado at Denver
(95760332)

10:30 a.m.
Coalescents with simultaneous multiple collisions.
Jason R Schweinsberg*, U.C. Berkeley
(95760188)

11:00 a.m.
Incipient infinite clusters.
Antal J\'arai, Jr.*, PIMSUBC
(95760325)

Saturday September 23, 2000, 9:00 a.m.11:20 a.m.
Special Session on Operator Algebras and Operator Theory, I
Room 3201, Sandford Fleming Building Organizers: ManDuen Choi, University of Toronto choi@math.toronto.edu
George Elliott, University of Toronto elliott@math.toronto.edu

9:00 a.m.
Commutators of Idempotents and Invariant Subspaces.
Peter Rosenthal*, University of Toronto
(95747180)

9:30 a.m.
Hankel operators on the Bergman space and Schatten pclasses: the case where p is strictly between 1 and 2.
Jingbo Xia*, SUNY at Buffalo
(95747196)

10:00 a.m.
Weak Reflexivity for Operators.
Deguang Han*, McMaster University and University of Central Florida
(95747184)

10:30 a.m.
The BrownDouglasFillmore theorem revisited.
Peter Friis*, University of Waterloo
(95746251)

11:00 a.m.
Normal dilations of operators.
ManDuen Choi*, University of Toronto
(95747179)

Saturday September 23, 2000, 9:30 a.m.11:20 a.m.
Special Session on Hamiltonian Systems, I
Room 1101, Sandford Fleming Building Organizers: Lisa Jeffrey, University of Toronto jeffrey@math.toronto.edu
Velimir Jurdjevic, University of Toronto jurdj@math.toronto.edu
Boris Khesin, University of Toronto khesin@math.toronto.edu

9:30 a.m.
Symplectic Structures and Hamiltonian Dynamics on Cross Products of Lie Groups.
Anthony M Bloch*, University of Michigan
Peter E Crouch, Arizona State University
Jerrold E Marsden, California Institute of Technology
Tudor S Ratiu, Ecole Polytechnique Federale de Lausanne
(95770149)

10:00 a.m.
Reconstruction phase formulas.
Anthony D Blaom*, Vienna, Virginia
(9577071)

10:30 a.m.
Mechanisms of chaos in Hamiltonian systems: hyperbolicity and astigmatism.
Leonid Bunimovich*, Georgia Institute of Technology
(95737269)

11:00 a.m.
Lagrangian Hydrodynamics.
Steve Shkoller*, University of California, Davis
(95735210)

Saturday September 23, 2000, 11:40 a.m.12:30 p.m.
Invited Address
Group actions and Helly's Theorem.
Room 3154, Medical Sciences Building
Benson Farb*, University of Chicago
(9572002)

Saturday September 23, 2000, 2:00 p.m.2:50 p.m.
Invited Address
A brief survey of structure and classification theory for amenable C*algebras.
Room 3154, Medical Sciences Building
George Elliott*, University of Toronto

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Commutative Algebra and Algebraic Geometry, II
Room 4171, Medical Sciences Building Organizers: Anthony Geramita, Queens University tony@mast.queensu.ca
William Traves, United States Naval Academy traves@usna.edu

3:00 p.m.
Local equations for the toric Hilbert scheme.
Michael Stillman*, Cornell University
(95713120)

3:30 p.m.
Mod $p$ Invariants of the Cyclic group, $C_p$, of order $p$.
H. E. A. Eddy Campbell*, Queen's University
(95713341)

4:00 p.m.
Cartier Isomorphism for Toric Varieties.
Manuel Blickle*, University of Michigan
(95714176)

4:30 p.m.
Vector bundle vanishing and approximation theory.
Hal Schenck*, Northeastern University
Peter Stiller, Texas A&M University
(9571433)

5:00 p.m.
On Equations Defining Coincident Root Varieties.
Jaydeep V Chipalkatti*, Queen's University
(95714112)

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Ergodic Theory and Dynamical Systems, II
Room 1105, Sandford Fleming Building Organizers: Andres del Junco, University of Toronto deljunco@math.toronto.edu
Blair Madore, SUNY, Potsdam madorebf@potsdam.edu

3:00 p.m.
Ergodicity and exactness of real and complex analytic maps of manifolds.
Jane M Hawkins*, University of North Carolina at Chapel Hill
(9573791)

3:30 p.m.
Some open problems and conjectures.
Vitaly Bergelson*, Ohio State University
(95737296)

4:00 p.m.
Discussion

4:30 p.m.
Oscillation and variation inequalities for singular integrals.
James Campbell, University of Memphis
Roger L Jones, De Paul University
Karin Reinhold*, University at Albany, SUNY
Mate Wierdl, University of Memphis
(95742260)

5:00 p.m.
The Exact Rate of Approximation in Ulam's Method.
Chris J Bose*, University of Victoria
Rua D Murray, University of Waikato
(9573765)

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Nonabsolute Integration, II
Room 120, Galbraith Building Organizers: Patrick Muldowney, University of Ulster P.Muldowney@ulst.ac.uk
Erik Talvila, University of Illinois, Urbana talvila@math.uiuc.edu

3:00 p.m.
Nuclear mappings and a Riemann approach to vector valued integration.
Shizu Nakanishi*, Osaka Prefecture University
(9572813)

3:30 p.m.
On the dual of HenstockKurzweil integrable functions in n dimensions.
Tepper L. Gill, Howard University
Woodford W Zachary*, Howard University
(9572818)

4:00 p.m.
Existence Conditions for Feynman Path Integrals.
Patrick Muldowney*, University of Ulster
(9572856)

4:30 p.m.
On Continuous Major and Minor functions for the HenstockKurzweil integral.
TuoYeong Lee*, National Institute of Education, Singapore
PengYee Lee, National Institute of Education, Singapore
(9572693)

5:00 p.m.
The Refinement Integral.
Isidore Fleischer*, CRM, Universite de Montreal
(95728143)

Saturday September 23, 2000, 3:00 p.m.5:50 p.m.
Special Session on Functional Differential Equations and Applications, II
Room 244, Galbraith Building Organizers: Anatoli F. Ivanov, Pennsylvania State University afi1@psu.edu
Jianhong Wu, York University wujh@pascal.math.yorku.ca

3:00 p.m.
Delayed feedback and oscillations in a model for the regulation of platelet production.
Jacques B\'elair*, Universit\'e de Montr\'eal
(95792340)

4:00 p.m.
Singularities and Normal Forms for Semilinear Functional Differential Equations in Banach Spaces.
Teresa Faria*, University of Lisbon, Portugal
(9573495)

4:30 p.m.
Stability and dissipativity of semilinear timevariant functional differential equations in a Banach space.
M. I. Gil'*, Ben Gurion University of the Negev
(95734190)

5:00 p.m.
Exponential Dichotomies and the Fredholm Alternative for Partial Functional Differential Equations.
Shigui Ruan*, Dalhousie University
(95734256)

5:30 p.m.
Discussion

Saturday September 23, 2000, 3:00 p.m.5:45 p.m.
Special Session on Representation Theory of Infinite Dimensional Lie Algebras, II
Room 3163, Medical Sciences Building Organizers: Yun Gao, York University ygao@yorku.ca

3:00 p.m.
Principal homogeneous spaces and conjugacy Theorems.
Arturo Pianzola*, University of Alberta
(95717169)

4:00 p.m.
Generalized Witt type Lie algebras in characteristic 0.
Kaiming Zhao*, Chinese Academy of Sciences
(95717295)

5:00 p.m.
Discussion

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Pseudodifferential Operators, Wavelet Transforms and Related Topics, II
Room 220, Galbraith Building Organizers: M. W. Wong, York University mwwong@pascal.math.yorku.ca

3:00 p.m.
Waveletbased methods in image processing.
James S Walker*, Univ. of WisconsinEau Claire
(9574232)

4:00 p.m.
Traces of Localization Operators with Two Admissible Wavelets.
Mah Wah Wong, York University
Zhaohui Zhang*, York University
(95747151)

4:30 p.m.
Parametrizations of paraunitary matrices associated with symmetric tight wavelet frames.
Qingtang Jiang*, University of Alberta
(95742261)

5:00 p.m.
Microlocal Analysis with Multiwavelets.
Ryuichi Ashino, Prof. Osaka Kyoiku University
Christopher Heil, Prof., Georgia Institute of Technology
Michihiro Nagase, Prof., Osaka University
R\'emi Vaillancourt*, Prof., Universit\'e d'Ottawa
(95742259)

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Set Theory and SetTheoretic Topology, II
Room 4102, Sandford Fleming Building Organizers: Franklin D. Tall, University of Toronto tall@math.toronto.edu

3:00 p.m.
Forcing Many Positive Polarized Partition Relations Below the Continuum.
Saharon Shelah, Hebrew University
Lee J Stanley*, Lehigh University
(95703322)

3:30 p.m.
A partition relation for triples for nonspecial partial orders.
Albin L Jones*, Kenyon College
(95705304)

4:00 p.m.
Which spaces have a coarser connected Hausdorff topology?
William Fleissner, University of Kansas
Jack Porter, University of Kansas
Judith Roitman*, University of Kansas
(95754102)

4:30 p.m.
Variations of topological spaces due to Steve Watson.
Koichi Tsuda*, Ehime University
(9575436)

5:00 p.m.
Combinatorics of games on $\omega$.
Christopher C. Leary*, SUNY Geneseo
(95703345)

Saturday September 23, 2000, 3:00 p.m.5:25 p.m.
Special Session on Computational Wavelet Analysis, II
Room 221, Galbraith Building Organizers: Sebastian Ferrando, Ryerson Polytechnic University ferrando@acs.ryerson.ca
Larry Kolasa, Ryerson Polytechnic University lkolasa@acs.ryerson.ca

3:00 p.m.
Nonuniform sampling in multiply generated shiftinvariant subspaces of $L_p(R^d)$.
Akram Aldroubi*, Vanderbilt University
Qiyu Sun, University of Singapore
WaiShing Tang, University of Singapore
(95742175)

3:30 p.m.
Wavelet in Integral Equation and Finite Difference Time Domain Methods.
Jaideva C Goswami*, Schlumberger Oilfield Services
Richard E Miller, Texas A\&M University
Robert D Nevels, Texas A\&M University
(95741232)

4:00 p.m.
The Design of Smooth Wavelet Tight Frames with Zero Moments.
Ivan W Selesnick*, Polytechnic University, New York
(95765224)

4:30 p.m.
On a perturbed Haar wavelet.
Richard A. Zalik*, Auburn University
(95742276)

5:00 p.m.
A Characterization of Wavelet Convergence in Sobolev Spaces.
Louise A. Raphael*, Howard University
Mark A. Kon, Boston University
(95742338)

Saturday September 23, 2000, 3:00 p.m.5:25 p.m.
Special Session on Applied Categorical Structures, II
Room 2173, Medical Sciences Building Organizers: Joan Wick Pelletier, York University jwpell@yorku.ca
Walter Tholen, York University walter.tholen@mathstat.yorku.ca

3:00 p.m.
Relating realizability using sheaves.
Steve Awodey*, Carnegie Mellon University
Andrej Bauer, Carnegie Mellon University
Dana S Scott, Carnegie Mellon University
(9571859)

3:30 p.m.
Relative and Modified Relative Realizability.
Lars Birkedal*, The IT University of Copenhagen
Jaap van Oosten, Dept. of Mathematics, Utrecht University
(9571851)

4:00 p.m.
Certain spans of sketches model problems of complexity NP.
David B Benson*, Washington State University
(95768123)

4:30 p.m.
Monads and Structure.
John L. MacDonald*, University of British Columbia
(9571861)

5:00 p.m.
Modelling a sketch in an object in a 2category.
Michael Johnson, Macquarie University
Robert Rosebrugh, Mount Allison University
R. J. Wood*, Dalhousie University
(95718214)

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Modern Schubert Calculus, II
Room 119, Galbraith Building Organizers: Nantel Bergeron, York University bergeron@mathstat.yorku.ca
Frank Sottile, University of Wisconsin sottile@math.umass.edu

3:00 p.m.
Descentcycling in Schubert calculus.
Allen I Knutson*, U. C. Berkeley
(95705236)

3:30 p.m.
A LittlewoodRichardson rule for multiplying Schur polynomials by certain Schubert polynomials.
Mikhail Kogan*, Northeastern University
(95705297)

4:00 p.m.
Break

4:30 p.m.
Pieri's Formula for the $T$Equivariant Cohomology of the Flag Variety.
Shawn A Robinson*, University of North Carolina at Chapel Hill
(95722312)

5:00 p.m.
A LittlewoodRichardson rule for the $K$theory of Grassmannians.
Anders S Buch*, MIT
(95714197)

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Discrete and Applied Geometry, II
Room 3171, Medical Sciences Building Organizers: Asia Ivic Weiss, York University weiss@pascal.math.yorku.ca
Walter Whiteley, York University whiteley@pascal.math.yorku.ca

3:00 p.m.
Spaces of affine configurations of flats; their polyhedral structure.
Javier Bracho*, Instituto de Matematicas, UNAM
(95752317)

3:30 p.m.
"Open Questions in Tiling".
Chaim GoodmanStrauss*, University of Arkansas
(95752310)

4:00 p.m.
Minimal generically rigid subgraphs of gridlike triangulated tori.
Camille C Mittermeier*, York University
(95752284)

4:30 p.m.
FirstOrder Rigidity in CayleyKlein Geometries.
Franco V Saliola*, York University
Walter J Whiteley, York University
(95752290)

5:00 p.m.
A Partial Extension of the MaxwellCremona Correspondence to Spatial Frameworks.
Robert M Erdahl, Queen's
Konstantin Rybnikov*, Cornell
(95752318)

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Hamiltonian Systems, II
Room 1101, Sandford Fleming Building Organizers: Lisa Jeffrey, University of Toronto jeffrey@math.toronto.edu
Velimir Jurdjevic, University of Toronto jurdj@math.toronto.edu
Boris Khesin, University of Toronto khesin@math.toronto.edu

3:00 p.m.
Bending flows of polygonal linkages in $E^3$, $H^3$, and $S^3$.
Thomas I Treloar*, University of Maryland
(95753245)

3:30 p.m.
Convex functions on symmetric spaces and the geometric invariant theory of configuration spaces of weighted points of flag manifolds.
John James Millson*, University of Maryland
(95753212)

4:00 p.m.
Euler angles and timeoptimal factorizations in SO(3).
Dirk Mittenhuber*, TU Darmstadt
(95749244)

4:30 p.m.
Connections along curves, parallel translations, and the nonsmooth maximum principle of optimal control theory.
Hector J.. Sussmann*, Rutgers, the State University of New Jersey
(95749171)

5:00 p.m.
The Hamiltonian Seifert Conjecture.
Viktor L Ginzburg*, UC Santa Cruz
(95737137)

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Analytic Number Theory, II
Room 2172, Medical Sciences Building Organizers: John Friedlander, University of Toronto frdlndr@math.toronto.edu
Steve Gonek, University of Rochester gonek@math.rochester.edu

3:00 p.m.
Computing Maass forms.
David W Farmer*, Bucknell University
Stefan Johansson, IAS
(95711203)

3:30 p.m.
Systems of Additive Forms over $p$Adic Fields.
Michael P Knapp*, University of Rochester
(95711211)

4:00 p.m.
An Asymptotic Estimate Related to Selberg's Sieve II.
Dan A. Goldston, San Jose State University
Sidney W. Graham*, Central Michigan University
(95711230)

4:30 p.m.
A special type of Diophantine equation and its application.
Gang Yu*, Department of Mathematics, University of Michigan
(95711303)

5:00 p.m.
Simple arithmetic methods which give good (and effective) elementary prime number estimates simultaneous with equivalents to the P.N.T.
Edward A Bertram*, Mathematics Dept.,University of Hawaii at Manoa,Honolulu,Hawaii
(95711178)

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Nonlinear Functional Analysis, II
Room 248, Galbraith Building Organizers: Sankatha Singh, Memorial University of Newfoundland ssingh@morgan.ucs.mun.ca
Bruce Watson, Memorial University of Newfoundland bruce2@math.mun.ca

3:00 p.m.
Application of Baire Category Techniques in Approximation Theory.
Francesco de Blasi*, Department of Mathematics, Universita di Roma 2
(95747139)

3:30 p.m.
Birkhoff Interpolation on Some Perturbed Roots of Unity.
Hanuman Prasad Dikshit*, Madhya Pradesh Bhoj (Open) University
(95741141)

4:00 p.m.
Discussion

4:30 p.m.
Functions without exceptional family of elements and the solvability of variational inequalities on unbounded sets.
Gheorghe Isac*, Royal Military College of Canada
M. G. Cojocaru, Queen's University
(9574937)

5:00 p.m.
On Some Complementarity Problems.
Jinlu Li*, Department of Mathematics, Shawnee State University
(95747142)

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Noncommutative Geometry, II
Room 3202, Sandford Fleming Building Organizers: Ryszard Nest, University of Copenhagen rnest@math.ku.dk
Victor Nistor, Pennsylvania State University nistor@math.psu.edu
Boris Tsygan, Pennsylvania State University tsygan@math.psu.edu

3:00 p.m.
A descent theorem in the Ktheory of Banach algebras.
Max Karoubi*, University Paris 7
(95719126)

3:30 p.m.
Equivariant Chern Character.
Paul Frank Baum*, Penn State University
(95719134)

4:00 p.m.
Break

4:30 p.m.
On the BaumConnes conjecture.
Nigel Higson*, Penn State
(95719285)

Saturday September 23, 2000, 3:00 p.m.5:10 p.m.
Special Session on Probability, II
Room 305, Galbraith Building Organizers: Neal Madras, York University madras@pascal.math.yorku.ca
George L. O'Brien, York University obrien@yorku.ca
Thomas Salisbury, York University salt@pascal.math.yorku.ca
Donna Salopek, York University dsalopek@yorku.ca

3:00 p.m.
Interacting particle systems modelling epidemics.
Rinaldo B Schinazi*, University of Colorado at Colorado Springs
(9576087)

3:45 p.m.
Hitting properties of the random string.
Carl E Mueller*, University of Rochester
Roger Tribe, University of Warwick
(95760147)

4:30 p.m.
Critical Phenomena for Hierarchical Random Walks.
Donald A. Dawson*, Carleton University
(95760193)

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Operator Algebras and Operator Theory, II
Room 3201, Sandford Fleming Building Organizers: ManDuen Choi, University of Toronto choi@math.toronto.edu
George Elliott, University of Toronto elliott@math.toronto.edu

3:00 p.m.
Extremely amenable groups.
Thierry Giordano*, University of Ottawa
Vladimir Pestov, Victoria University of Wellington
(95722288)

3:30 p.m.
Cyclic homology of convolution algebras of padic groups.
Victor Nistor*, Penn State
(95719136)

4:00 p.m.
Differential Calculus on Quantum Groups and Cyclic Cohomolgy.
Masoud Khalkhali*, Western Ontario
(95747250)

4:30 p.m.
Continuous fields of C*algebras, boundary value problems and index theorems.
Ryszard Nest*, Copenhagen University
(95758280)

5:00 p.m.
The Noncommutative Curvature Invariant.
David Kribs*, University of Waterloo
(95747326)

Saturday September 23, 2000, 3:00 p.m.4:40 p.m.
Session for Contributed Papers
Room 304, Galbraith Building

3:00 p.m.
Laplace Transforms and American Call Options.
Roland Mallier*, University of Western Ontario
Ghada Alobaidi, University of Western Ontario
(9574457)

3:15 p.m.
Random walks on wreath products of groups.
Clyde H Schoolfield*, Harvard University
(95760222)

3:30 p.m.
Minimum Feedback Arc Sets of Tournaments.
Darren A. Narayan*, Rochester Institute of Technology
(95705234)

3:45 p.m.
Geometry of modulus spaces.
Roshdi R. Khalil*, University of jordan
Deeb m Hussein, Univ.of jordan
Wael m Amin, univ.of jordan
(9574608)

4:00 p.m.
The changing role of discrete mathematics in the undergraduate curriculum. Preliminary report.
Diane M Spresser*, National Science Foundation
(95797153)

4:30 p.m.
Some Results On Splitting The Powers Of Integers.
Susil K. Jena*, Bhubaneswar, Orissa, India
(95711321)

Saturday September 23, 2000, 6:00 p.m.6:50 p.m.
Erd\H os Memorial Lecture
New ways to look at quadratic forms.
Auditorium, Convocation Hall
John H. Conway*, Princeton University
(9570005)
Inquiries: meet@ams.org

