AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:10:12
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)

8:30 a.m.

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)

8:30 a.m.

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)

8:30 a.m.

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)

9:00 a.m.

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)

9:00 a.m.

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)

9:00 a.m.

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)

9:00 a.m.

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)

9:00 a.m.

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

9:00 a.m.

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)

9:00 a.m.

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)

9:00 a.m.

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)

9:00 a.m.

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)

9:00 a.m.

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)

9:00 a.m.

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)

9:00 a.m.

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)

9:00 a.m.

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)

9:30 a.m.

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)

3:00 p.m.

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)

3:00 p.m.

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)

3:00 p.m.

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

3:00 p.m.

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

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)

3:00 p.m.

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)

3:00 p.m.

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)

3:00 p.m.

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)

3:00 p.m.

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)

3:00 p.m.

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)

3:00 p.m.

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)

3:00 p.m.

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)

3:00 p.m.

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)

3:00 p.m.

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

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)

3:00 p.m.

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)

3:00 p.m.

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)

3:00 p.m.

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)
Sunday September 24, 2000

Sunday September 24, 2000, 8:00 a.m.12:00 p.m.
Registration
Foyer, Sandford Fleming Building 
Sunday September 24, 2000, 8:00 a.m.12:00 p.m.
Exhibit and Book Sale
Room 1013, Sandford Fleming Building 
Sunday September 24, 2000, 8:30 a.m.11:20 a.m.
Special Session on Commutative Algebra and Algebraic Geometry, III
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.
Level Artin algebras: components of ${\mathrm{LEVALG(T)}}$.
Anthony A. Iarrobino, Jr.*, Mathematics Department, Northeastern University
(95713168) 
9:00 a.m.
Gorenstein Ideals of Embedding Codimension Four.
Anthony Iarrabino, Northeastern University
Hema Srinivasan*, University of MissouriColumbia
(95713299) 
9:30 a.m.
Conjectures on the Hilbert function of multiple points.
Karen A. Chandler*, University of Notre Dame
(95714306) 
10:00 a.m.
Polarization and Syzygies of Multigraded modules.
Hara Charalambous*, University at Albany, SUNY
(95713160) 
10:30 a.m.
Resolutions of subsets of finite sets of points in projective space.
Steven P. Diaz*, Syracuse University
Geramita V. Anthony, Queen's University
Migliore C. Juan, University of Notre Dame
(95714103) 
11:00 a.m.
Syzygies, Euclidean Algorithm and Fractals.
RagnarOlaf Buchweitz*, Dept. of Math., Univ. of Toronto
(95713281)

8:30 a.m.

Sunday September 24, 2000, 8:30 a.m.11:15 a.m.
Special Session on Representation Theory of Infinite Dimensional Lie Algebras, III
Room 3163, Medical Sciences Building
Organizers:
Yun Gao, York University ygao@yorku.ca

8:30 a.m.
Root multiplicities of the indefinite KacMoody algebra $HA_n^{(1)}$.
Kailash C. Misra*, North Carolina State University
(9571779) 
9:30 a.m.
Irreducible modules for the generalized Virasorotoroidal Lie algebras.
Shaobin Tan*, Department of Mathematics, Xiamen University
(95717242) 
10:30 a.m.
KacMoody groups and prescribed Gauss decompositions.
Jun Morita*, University of Tsukuba
(95717228)

8:30 a.m.

Sunday September 24, 2000, 8:30 a.m.11:20 a.m.
Special Session on Pseudodifferential Operators, Wavelet Transforms and Related Topics, III
Room 220, Galbraith Building
Organizers:
M. W. Wong, York University mwwong@pascal.math.yorku.ca

8:30 a.m.
Gabor Expansions in $L^p$.
Karlheinz Gr\"ochenig, University of Connecticut
Christopher Heil*, Georgia Tech
(95742229) 
9:30 a.m.
Localization operators on the WeylHeisenberg group and the Bargmann transform.
Sid C Scull*, York University
(95743195) 
10:00 a.m.
WeylHeisenberg dual frames and operator algebras.
JeanPierre Gabardo*, McMaster University
Deguang Han, McMaster University
(95742192) 
10:30 a.m.
A Collection of Frames.
Keith F Taylor*, University of Saskatchewan
(9574327) 
11:00 a.m.
Classifying certain irregular WeylHeisenberg frames.
Peter G. Casazza*, University of Missouri
Ole Christensen, Technical University of Denmark
(95743104)

8:30 a.m.

Sunday September 24, 2000, 8:30 a.m.11:20 a.m.
Special Session on Discrete and Applied Geometry, III
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.
MinimumTurn Milling.
Erik D Demaine*, University of Waterloo
(95752300) 
9:00 a.m.
Recent Results on Reconfiguring Polygonal Chains in Space.
Michael Soss, McGill University
Godfried T Toussaint*, McGill University
(95751257) 
9:30 a.m.
Flattening Polyhedra.
Erik D Demaine, University of Waterloo
Martin L Demaine, University of Waterloo
Anna Lubiw*, University of Waterloo
(95752292) 
10:00 a.m.
Rigidity of pseudotriangulations.
Ileana Streinu*, Smith College
(95752124) 
10:30 a.m.
Daisy Structure in Desarguesian Projective Planes.
Gabriela AraujoPardo*, Instituto de Matematicas,UNAM.
(9570572) 
11:00 a.m.
Priority Scheduling: an Application for the Permutahedron.
Ethan D. Bolker*, University of Massachusetts  Boston
(95752207)

8:30 a.m.

Sunday September 24, 2000, 8:30 a.m.11:20 a.m.
Special Session on Analytic Number Theory, III
Room 2172, Medical Sciences Building
Organizers:
John Friedlander, University of Toronto frdlndr@math.toronto.edu
Steve Gonek, University of Rochester gonek@math.rochester.edu

8:30 a.m.
Properties of certain character analogues of the Dedekind sum.
Jeffrey L Meyer*, Syracuse University
(95711116) 
9:00 a.m.
On the second moment of symetric square $L$ functions.
Philippe G. Michel*, IUF and Univ. Montpellier II
(95711166) 
9:30 a.m.
qseries identities and certain Lfunctions.
Ken Ono*, University of Wisconsin
(9571141) 
10:00 a.m.
Dedekind cotangent sums.
Matthias Beck*, SUNY Binghamton
(9571107) 
10:30 a.m.
Slimmer exceptional sets in Waring's problem.
Trevor D Wooley*, University of Michigan
(95711162) 
11:00 a.m.
Zeta Spirals.
Steve M. Gonek, University of Rochester
Hugh L. Montgomery*, University of Michigan
(95711248)

8:30 a.m.

Sunday September 24, 2000, 9:00 a.m.11:20 a.m.
Special Session on Ergodic Theory and Dynamical Systems, III
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.
Equipartition of interval partitions and an application to number theory.
Karma Dajani, Utrecht University
Adam Fieldsteel*, Wesleyan University
(95728202) 
9:30 a.m.
Positive operators in $L^1$, cocycles, and the mean ergodic theorem.
Isaac Kornfeld*, North Dakota State University
(95737122) 
10:00 a.m.
Discussion 
10:30 a.m.
Discussion 
11:00 a.m.
$T,T^{1}$endomorphisms entropy and Kakutani equivalence.
Deborah Heicklen, UC Berkeley
Christopher Hoffman, U. of Washington
Daniel Rudolph*, U. of Maryland
(95737283)

9:00 a.m.

Sunday September 24, 2000, 9:00 a.m.11:20 a.m.
Special Session on Nonabsolute Integration, III
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.
The use on nonabsolute integration in the theory of stochastic processes.
Ralph Henstock*, University of Ulster
(9572864) 
9:30 a.m.
Nonabsolutely convergent Poisson integrals.
Erik O Talvila*, University of Alberta
(95726315) 
10:00 a.m.
Nonabsolute integration in BlackScholes pricing.
Patrick Muldowney, University of Ulster
Wojciech Wojdowski*, Technical University of Lodz
(9572873) 
10:30 a.m.
Abstract Derivation Bases.
Brian S Thomson*, Simon Fraser University
(95728187) 
11:00 a.m.
A nonabsolutely convergent PUintegral.
Giuseppa Riccobono*, UNIVERSITA' DI PALERMO
(95726227)

9:00 a.m.

Sunday September 24, 2000, 9:00 a.m.10:50 a.m.
Special Session on Functional Differential Equations and Applications, III
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.
On the merits of a diagram from functional differential equations.
John Haddock*, University of Memphis
(95734337) 
10:00 a.m.
A generalized Lefschetz fixed point theorem and symbolic dynamics in delay equations.
Bernhard LaniWayda*, Mathematical Institute, University of Giessen (Germany)
Roman Szrednicki, Institute of Mathematics, Jagiellonian University
(9573415) 
10:30 a.m.
Monotone Iteration from discontinuous supersub solutions and travelling waves.
Q. Lan*, York University
(95734335)

9:00 a.m.

Sunday September 24, 2000, 9:00 a.m.11:20 a.m.
Special Session on Set Theory and SetTheoretic Topology, III
Room 4102, Sandford Fleming Building
Organizers:
Franklin D. Tall, University of Toronto tall@math.toronto.edu

9:00 a.m.
The Topology of the Uniform Ultrafilters.
Kenneth Kunen*, University of Wisconsin
(95754254) 
9:30 a.m.
Normal Subspaces of Products of Ordinals.
William G Fleissner*, University of Kansas
(95754181) 
10:00 a.m.
Generalizations of Totally Paracompact Spaces.
John E Porter*, Auburn University
Gary Gruenhage, Auburn University
(9575463) 
10:30 a.m.
Covering $\omega^\omega$ by special Cantor sets.
Gary Gruenhage*, Auburn University
Ronnie Levy, George Mason University
(95703298) 
11:00 a.m.
Ladder systems and subsets of $\omega_1\times\omega_1$.
Paul J. Szeptycki*, York University
Erick Todd Eisworth, University of Northern Iowa
(95754344)

9:00 a.m.

Sunday September 24, 2000, 9:00 a.m.11:25 a.m.
Special Session on Computational Wavelet Analysis, III
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.
Wavelets in some biological problems.
Carlos E D'Attellis*, Univ. Favaloro and Buenos Aires
Vladimir D Flores, Univ. Favaloro and Buenos Aires
Silvia V Gigola, Univ. FavaloroUTN and Buenos Aires
Gustavo A Hirchoren, Univ. FavaloroUTN and Buenos Aires
Melina Rapacioli, Universidad Favaloro
Alicia Tinnirello, Universidad Tecnológica NacionalRosario
Raquel Voget, Universidad Tecnológica NacionalRosario
(9579298) 
9:30 a.m.
Analysis of the edge effects in local Fourier and brushlet dictionaries.
Brons M Larson, Department of Mathematics, University of California, Davis
Naoki Saito*, Department of Mathematics, University of California, Davis
(95742316) 
10:00 a.m.
Vibration Analysis and Modelling Using Gaussian Wavelet Algorithm.
Gaoyong Luo*, Buckinghamshire Chilterns University College
David Osypiw, Buckinghamshire Chilterns University College
Mark Irle, Buckinghamshire Chilterns University College
(95765121) 
10:30 a.m.
An adaptive wavelet method for calculating turbulent flow in complex geometries.
Nicholas KR Kevlahan*, Department of Mathematics and Statistics, McMaster University
Oleg Vasilyev, Department of Mechanical Engineering, University of Missouri atColumbia
Abdessadek Cherhabili, Department of Mathematics and Statistics, McMaster University
(95765221)

9:00 a.m.

Sunday September 24, 2000, 9:00 a.m.11:25 a.m.
Special Session on Applied Categorical Structures, III
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.
Dominances and Spread Completions.
Marta C Bunge*, McGill University, Department of Mathematics and Statistics
(95718140) 
9:30 a.m.
A summary report on the state of our knowledge of weak higher dimensional categories.
Michael Makkai*, McGill University
(95718157) 
10:00 a.m.
Game theory revisited: categorical proof theories for games.
J. Robin B. Cockett*, University Of Calgary
(9571830) 
10:30 a.m.
Open problems on finiteness and their counting measures.
MbilaMambu Mawanda*, Roma, LESOTHO
(95718204) 
11:00 a.m.
Toposes and Continuum Microphysics.
F. William Lawvere*, SUNY Buffalo
(9571819)

9:00 a.m.

Sunday September 24, 2000, 9:00 a.m.11:20 a.m.
Special Session on Modern Schubert Calculus, III
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.
Equivariant cohomology and regular ${\mathfrak B}$actions actions.
James B. Carrell*, Univ. of B. C.
Michel Brion, Univ. de Grenoble
(95714215) 
9:30 a.m.
On Schubert Calculus in Symplectic Geometry.
Rebecca F Goldin*, University of Maryland
(95751262) 
10:00 a.m.
Break 
10:30 a.m.
Positivity in equivariant Schubert calculus.
William Graham*, University of Georgia
(95714311) 
11:00 a.m.
Gr\"obner geometry of formulae for (double) Schubert polynomials.
Allen I. Knutson, UC Berkeley
Ezra N. Miller*, MIT
(95714270)

9:00 a.m.

Sunday September 24, 2000, 9:00 a.m.11:20 a.m.
Special Session on Hamiltonian Systems, III
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

9:00 a.m.
Persistence of extremal relative equilibria in symmetric hamiltonian systems.
Eugene Lerman, University of Illinois at UrbanaChampaign
James Montaldi, Institut Non Lineaire de Nice
Tadashi Tokieda*, Universite du Quebec a Montreal
(95737253) 
9:30 a.m.
Exact solutions to plasma equilibrium equations.
Oleg I Bogoyavlenskij*, Queen's University, Kingston, Canada
(95776294) 
10:00 a.m.
The Transversal Relative Equilibria of a Hamiltonian System with Symmetry.
George W Patrick*, University of Saskatchewan
Mark Roberts, University of Warwick
(95770238) 
10:30 a.m.
Gauge conservation laws in nonholonomic systems.
Larry Bates*, University of Calgary
(95758327) 
11:00 a.m.
Almost Poisson Spaces in Mechanics.
Jedrzej Sniatycki*, University of Calgary
(95770144)

9:00 a.m.

Sunday September 24, 2000, 9:00 a.m.11:20 a.m.
Special Session on Nonlinear Functional Analysis, III
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.
Recent results on fixed points of multivalued contractive maps and isometries.
Teck C Lim*, George Mason University
(9574723) 
9:30 a.m.
Transversality Conditions for Bifurcation: an Elementary Approach.
Mario Martelli*, Claremont McKenna College
Gareguin Mikaelian, University of California Irvine
Suzanne Sindi, California State University Fullerton
(95747167) 
10:00 a.m.
HAUSDORFF STRONG UNIQUENESS OF BEST SIMULTANEOUS APPROXIMATION.
D. V. Pai*, Indian Institute of Technology
Indira K. Pai, Indian Institute of Technology
(95747201) 
10:30 a.m.
The KKM Principle Implies Many Known Fixed Point Theorems.
Sehie Park*, Seoul National Univ., Seoul 151742, KOREA
(9574746) 
11:00 a.m.
Finding common fixed points of a family of nonexpansive mappings by iteration.
Billy E Rhoades*, Indiana University
(95747133)

9:00 a.m.

Sunday September 24, 2000, 9:00 a.m.11:20 a.m.
Special Session on Noncommutative Geometry, III
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.
Quantum String Topology.
Alexander A Voronov*, Michigan State University
(95758282) 
9:30 a.m.
Ainfinity constraint and classical YangBaxter equation.
Alexander Polishchuk*, Boston University
(9571489) 
10:30 a.m.
Some recent applications of operads.
Dmitry Tamarkin*, Harvard University
(95753279) 
11:00 a.m.
String Topology of Manifolds.
Dennis Sullivan*, Graduate School at CUNY
(95754342)

9:00 a.m.

Sunday September 24, 2000, 9:00 a.m.11:25 a.m.
Special Session on Probability, III
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.
Dynamical sensitivity of randomness.
Itai Benjamini, The Weizmann Institute of Science
Olle Haggstrom, Chalmers University of Technology
Yuval Peres, UC Berkeley and Hebrew University
Jeffrey E Steif*, Georgia Institute of Technology
(95760101) 
9:45 a.m.
Isoperimetric Constants and Percolation.
Russell D Lyons*, Indiana University
(9576080) 
10:30 a.m.
On the Critical Behavior of LongRange Percolation and Ising Model.
Noam Berger*, Hebrew university/U.C. Berkeley
(95760113) 
11:00 a.m.
Discussion

9:00 a.m.

Sunday September 24, 2000, 9:00 a.m.11:20 a.m.
Special Session on Operator Algebras and Operator Theory, III
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.
Operator versions of the CauchySchwarz inequality.
Chandler Davis*, University of Toronto
(95747252) 
9:30 a.m.
The structure of free semigroup algebras.
Kenneth R. Davidson*, University of Waterloo
Elias Katsoulis, East Carolina University
David R. Pitts, University of Nebraska
(95747148) 
10:00 a.m.
Projective Operator Spaces in Harmonic Analysis.
Brian Forrest*, University of Waterloo
(95743189) 
10:30 a.m.
On the $\mathcal {OL}_{\infty}$ structure of nuclear $C^*$algebras.
Marius Junge, University of Illinois at UrbanaChampaign
Narutaka Ozawa, Texas A&M University
ZhongJin Ruan*, University of Illinois at UrbanaChampaign
(95746158) 
11:00 a.m.
First and Second Order Arithmetic Means, Operator Ideals and a Solution to a Problem of Wodzicki.
Victor Kaftal, University of Cincinnati
Gary Weiss*, University of Cincinnati
(95747308)

9:00 a.m.

Sunday September 24, 2000, 11:40 a.m.12:30 p.m.
Invited Address
Index theorems, formality theorems, and homotopy algebras.
Room 3154, Medical Sciences Building
Boris Tsygan*, Pennsylvania State University
(9575803) 
Sunday September 24, 2000, 2:00 p.m.3:20 p.m.
Special Session on Ergodic Theory and Dynamical Systems, IV
Room 1105, Sandford Fleming Building
Organizers:
Andres del Junco, University of Toronto deljunco@math.toronto.edu
Blair Madore, SUNY, Potsdam madorebf@potsdam.edu

2:00 p.m.
Limit Measures for Affine Cellular Automata.
Reem A Yassawi*, Trent University
Marcus Pivato, University of Toronto
(95728291) 
2:30 p.m.
On the general convergence of Halley's Method and other superquadratic rootfinding algorithms.
Kyle E Kneisl*, University of North Carolina at Chapel Hill
(9573753) 
3:00 p.m.
Asymptotics for the Jumps of Ergodic Averages.
Pedro J Catuogno, Mar del Plata National University. Mar del Plata, Argentina.
Sebastian E Ferrando*, Ryerson Polytechnic University. Toronto, Canada.
(9573750)

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.4:20 p.m.
Special Session on Nonabsolute Integration, IV
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

2:00 p.m.
On the $C$integral.
Benedetto Bongiorno*, University of Palermo
(95726330) 
2:30 p.m.
On some nonabsolute convergent integrals of Banach valued functions.
Luisa Di Piazza*, Universita' di Palermo
(95728328) 
3:00 p.m.
On weak convergence of Banach valued stochastic processes of Pettis and McShane integrable functions.
Valeria Marraffa*, Universita' di Palermo
(95726329) 
4:00 p.m.
On tensor products of $AC_*$ charges and Radon measures.
Zolt\'an Buczolich*, E\"otv\"os University
(95726109)

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.5:20 p.m.
Special Session on Functional Differential Equations and Applications, IV
Room 244, Galbraith Building
Organizers:
Anatoli F. Ivanov, Pennsylvania State University afi1@psu.edu
Jianhong Wu, York University wujh@pascal.math.yorku.ca

2:00 p.m.
Mathematical Models of bilingualism and biculturism.
Herb I. Freedman*, University of Alberta
(95734333) 
3:00 p.m.
A NonLocal Delayed and Diffusive PredatorPrey Model.
Xiaoqiang Zhao*, Memorial University of Newfoundland
(9573560) 
3:30 p.m.
On perturbations of delaydifferential equations with periodic orbits.
Jack K Hale, Georgia Institute of Technology
Marion Weedermann*, University of Wisconsin  Green Bay
(95739241) 
4:00 p.m.
Stability of Stochastic Differential Delay Equations with Jumps with Applications to Finance and Insurance.
Anatoliy V Swishchuk*, Intern. Mathem. Center
(95760106) 
4:30 p.m.
Chaos and asymptotical stability in discrete time recurrent neural networks with generalized inputoutput function.
Zhujun Jing*, Academy of Science
(95734334) 
5:00 p.m.
A Class of Differential Equations Arising from Modulation Theory.
Bathi Kasturiarachi*, Kent State University  Stark Campus
(95734313)

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.5:45 p.m.
Special Session on Representation Theory of Infinite Dimensional Lie Algebras, IV
Room 3163, Medical Sciences Building
Organizers:
Yun Gao, York University ygao@yorku.ca

2:00 p.m.
Downup Algebras, Their Structure and Representations.
Georgia Benkart*, University of Wisconsin, Madison
(95716267) 
3:00 p.m.
Quantum general affine algebras and symmetric polynomials.
Naihuan Jing*, North Carolina State University
(95717208) 
4:00 p.m.
Crystal bases for quantum affine algebras and combinatorics of Young walls.
SeokJin Kang*, Seoul National University
(95717226) 
5:00 p.m.
Covering Algebras of Extended Affine Lie Algebras.
Stephen Berman*, Univ. of Sask.
(9571778)

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.4:50 p.m.
Special Session on Pseudodifferential Operators, Wavelet Transforms and Related Topics, IV
Room 220, Galbraith Building
Organizers:
M. W. Wong, York University mwwong@pascal.math.yorku.ca

2:00 p.m.
Hodge theory in the Sobolev topology.
Steven G Krantz*, Washington University in St. Louis
(95735305) 
3:00 p.m.
Construction of wavelets using special functions.
Ahmed I Zayed*, University of Central Florida
(9573374) 
4:00 p.m.
TimeFrequency Analysis of Pseudodifferential Operators.
Demetrio Labate*, Washington University
(95742205) 
4:30 p.m.
Cauchy Transforms and Hilbert Problems in Weighted Spaces of Integrable distributions.
Christiane CartonLebrun*, Universite de MonsHainaut
(9574669)

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.4:55 p.m.
Special Session on Applied Categorical Structures, IV
Room 2173, Medical Sciences Building
Organizers:
Joan Wick Pelletier, York University jwpell@yorku.ca
Walter Tholen, York University walter.tholen@mathstat.yorku.ca

2:00 p.m.
Injective hulls of partially ordered monoids.
J. Lambek*, McGill University
(95706218) 
2:30 p.m.
Monoreflections in categories of ordered rings.
James J Madden*, Wesleyan Univ. \& Louisiana State Univ.
(95718199) 
3:00 p.m.
Finitely productive classes of uniform spaces which generate cartesianclosed categories.
Gloria Tashjian*, Worcester, MA
(95718132) 
3:30 p.m.
Free Double Categories and the Word Problem for Groups.
Robert Par\'e*, Dalhousie University
Robert MacG. Dawson, Saint Mary's University
(9571890) 
4:00 p.m.
Flat covers and factorizations.
Jiri Rosicky*, Masaryk University
(95718107) 
4:30 p.m.
On the pivotal, symmetric case of involutory Hopf objects.
Fernando J. O. Souza*, Theoretical Division, T6, Los Alamos National Lab.
(95718265)

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.4:50 p.m.
Special Session on Modern Schubert Calculus, IV
Room 119, Galbraith Building
Organizers:
Nantel Bergeron, York University bergeron@mathstat.yorku.ca
Frank Sottile, University of Wisconsin sottile@math.umass.edu

2:00 p.m.
Quantum Cohomology of Flag Manifolds.
Linda Chen*, Columbia University
(95714255) 
2:30 p.m.
Standard conjectures for the arithmetic Grassmannian $G(2,n)$.
Andrew Kresch*, University of Pennsylvania
Harry Tamvakis, University of Pennsylvania
(9571452) 
3:00 p.m.
Break 
3:30 p.m.
Embeddings of Schur functions into types $B/C/D$.
Michael Kleber*, MIT
(95705172) 
4:00 p.m.
Honeycombs and Facets of the Littlewood Richardson cone.
Allen Knutson, Berkeley
Terry Tao, UCLA
Chris Woodward*, Rutgers
(95705278) 
4:30 p.m.
Eigenvalues of majorized Hermitian matrices and Schubert calculus.
William Fulton*, University of Michigan
(95715194)

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.3:20 p.m.
Special Session on Discrete and Applied Geometry, IV
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

2:00 p.m.
Colored Frieze Patterns.
Heidi L Burgiel*, University of Illinois, Chicago
John H Conway, Princeton University
Chaim GoodmanStrauss, University of Arkansas
(95752266) 
2:30 p.m.
Symmetric Tessellations on Euclidean Spaceforms.
Egon Schulte*, Northeastern University
(95751273) 
3:00 p.m.
A structure theorem for Voronoi polytopes for lattices.
Robert Erdahl*, Queen's University
(95752324)

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.3:50 p.m.
Special Session on Hamiltonian Systems, IV
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

2:00 p.m.
A unified geometrical approach to the problem of integrability of Hamiltonian systems by separation of variables.
Roman Smirnov*, University of Waterloo
Raymond G McLenaghan, University of Waterloo
Aaron T Bruce, University of Waterloo
(9575824) 
2:30 p.m.
Periodic orbits of a particle in a magnetic field.
Ely Kerman*, Fields Institute
(95737135) 
3:30 p.m.
Discussion

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.4:20 p.m.
Special Session on Analytic Number Theory, IV
Room 2172, Medical Sciences Building
Organizers:
John Friedlander, University of Toronto frdlndr@math.toronto.edu
Steve Gonek, University of Rochester gonek@math.rochester.edu

2:00 p.m.
On a variant of quantum ergodicity.
Wenzhi Luo*, The Ohio State University
(95711154) 
2:30 p.m.
On the mean lattice point discrepancy of a convex disc.
Werner Georg Nowak*, Universit\"at f\"ur Bodenkultur, Vienna
(95711114) 
3:00 p.m.
On the greatest prime factor of shifted products.
Cameron L Stewart*, University of Waterloo
(95711233) 
3:30 p.m.
Biases in the ShanksR{\'e}nyi Prime Number Race.
Andrey Feuerverger, University of Toronto
Greg Martin*, University of Toronto
(95711163) 
4:00 p.m.
Z[$\sqrt{14}$] is Euclidean.
Malcolm Harper, McGill University
Ram Murty*, Queen's University
(95711155)

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.4:20 p.m.
Special Session on Nonlinear Functional Analysis, IV
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

2:00 p.m.
Local Solvability for semilinear partial differential equations with constant strength.
Luigi Rodino*, Universita' di Torino
(9574729) 
2:30 p.m.
Ky Fan's Best Approximation and Applications.
Antonio Carbone, Univ. of Calabria
S P Singh*, Memorial University
(95747108) 
3:00 p.m.
Tauberian Theorems and its Applications.
Vikramaditya Singh*, Mehta Research Institute of Mathematics and Mathematical Physics
(95740159) 
3:30 p.m.
Iterative Methods for Approximation of Fixed Points and Applications.
Wataru Takahashi*, Tokyo Institute of Technology
(9574786) 
4:00 p.m.
Approximation results by nonlinear integral operators and applications to signal processing.
Gianluca Vinti*, Dipartimento di Matematica e Informatica, Universit\'a degli Studi di Perugia
(9574797)

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.4:10 p.m.
Special Session on Probability, IV
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

2:00 p.m.
Dominating edge property for a class of reinforced random walks.
Vlada Limic*, Cornell University
(95760272) 
2:45 p.m.
Discussion 
3:30 p.m.
Discussion

2:00 p.m.

Sunday September 24, 2000, 2:00 p.m.4:20 p.m.
Special Session on Operator Algebras and Operator Theory, IV
Room 3201, Sandford Fleming Building
Organizers:
ManDuen Choi, University of Toronto choi@math.toronto.edu
George Elliott, University of Toronto elliott@math.toronto.edu

2:00 p.m.
Finite approximations and physics over unconventional fields and rings.
Trond Digernes*, The Norwegian University of Science and Technology
(95781274) 
2:30 p.m.
$q$Circular elements and noncommutative tori.
James A. Mingo*, Queen's University
Alexandru Nica, University of Waterloo
(95746231) 
3:00 p.m.
Rcyclic matrices in free probability.
Alexandru M Nica*, University of Waterloo
Roland Speicher, Queen's University
Dimitri Shlyakhtenko, U.C.L.A.
(95746216) 
3:30 p.m.
Maximization problems for free entropy.
Roland Speicher*, Queen's University, Kingston
(9574675) 
4:00 p.m.
Discussion

2:00 p.m.

Sunday September 24, 2000, 2:30 p.m.5:20 p.m.
Special Session on Commutative Algebra and Algebraic Geometry, IV
Room 4171, Medical Sciences Building
Organizers:
Anthony Geramita, Queens University tony@mast.queensu.ca
William Traves, United States Naval Academy traves@usna.edu

2:30 p.m.
Desingularization Algorithms.
Edward Bierstone*, University of Toronto
Pierre Milman, University of Toronto
(95714225) 
3:00 p.m.
Monomialization of Morphisms.
Steven D Cutkosky*, University of Missouri
(95714130) 
3:30 p.m.
Equations of modular curves.
Sorin E Popescu*, Columbia University
(95714174) 
4:00 p.m.
Quot schemes and effective base point freeness on moduli spaces of vector bundles.
Mihnea Popa*, University of Michigan
(95714185) 
4:30 p.m.
Weighted projective planes and automorphisms of ${\mathbb C}^3$.
Peter Russell*, McGill University
(95714115) 
5:00 p.m.
Branched covers of the sphere and the geometry and topology of the moduli space of curves.
Ravi Vakil*, M.I.T.
(95714289)

2:30 p.m.

Sunday September 24, 2000, 3:00 p.m.3:50 p.m.
Special Session on Noncommutative Geometry, IV
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.
Discussion 
3:30 p.m.
Classification of Symplectic Leaves of Complex Reductive PoissonLie Groups.
Milen T Yakimov*, University of California at Berkeley
(95722268)

3:00 p.m.