AMS Sectional Meeting Program by Day
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)