1997 Seminars

3:30 p.m., Monday, January 13
Applied Mathematics Colloquium
Dr. S. Thomas McCormick, Faculty of Commerce, UBC
``Relaxed Most Negative Cycle and Most Positive
Cut Canceling Algorithms for Minimum Cost Flow ''

Room Old Computer Science Bldg., Room 301

11:30 a.m., Tuesday, January 14
Toric Varieties Seminar
Dr. Jim Carrell, Department of Mathematics, UBC
``The cohomology of projective toric varieties''
Room Math Annex 1102

2:30 p.m., Tuesday, January 14
Number Theory Seminar
Dr. Rajiv Gupta, Department of Mathematics, UBC
``Organizational Meeting''
Room Math Annex 1102

3:30 p.m., Wednesday, January 15
Physics/PDE Seminar
Dr. Philippe Bolle, Universite Paris-Dauphine
``Homoclinics and Chaotic behaviour
for perturbed second order systems''

Room Math Annex 1102

10:00 a.m., Thursday, January 16
Topology Seminar
Dr. Erhard Luft, Department of Mathematics, UBC
``The universal covering space of a closed
irreducible 3-manifold with infinite fundamental group''

Room Location: Math 104

10:30 a.m., Thursday, January 16
Probability Seminar (working seminar on Self-Avoiding Random Walk)
Dr. Eric Derbez, Department of Mathematics, UBC
``Lattice Trees''
Room Math Annex 1118

3:30 p.m., Friday, January 17
Mathematics Colloquium
Dr. Richard Cushman, University of Utrecht, the Netherlands
``The twisting tennis racket''
Room Math 104*
*NOTE: Tea and cookies will be served at 3:15
in the Math Annex Coffee Lounge, Room 1115.


11:00 a.m., Monday, January 20
Mathematical Finance Seminar
Dr. Ulrich Haussmann, Department of Mathematics, UBC
``Estimation and Control in a Simple Model for Interest and Inflation Rates''
Room Math Annex 1102

11:30 a.m., Tuesday, January 21
Toric Varieties Seminar
Dr. Jim Carrell, Department of Mathematics, UBC
``The cohomology of projective toric varieties II''
Room Math Annex 1102

2:30 p.m., Tuesday, January 21
Number Theory Seminar
Dr. Rajiv Gupta, Department of Mathematics, UBC
``A family of modular elliptic curves''
Room Math Annex 1102

3:30 p.m., Wednesday, January 22
Physics/PDE Seminar
Dr. George Bluman, Department of Mathematics, UBC
``Conservation laws I''
Room Math Annex 1102

3:30 p.m., Wednesday, January 22
Applied Mathematics Colloquium
Dr. Roger Beckie, Geological Sciences,
Dept. of Earth and Ocean Sciences, UBC
``Solute transport and mixing in groundwater''
Room Old Computer Science Bldg., Room 301

2:30 p.m., Thursday, January 23
PIms Distinguished Lecturer Series
Dr. Jack Dongarra, Univ. of Tennessee
and Oak Ridge National Laboratory
``Recent work in parallel algorithms for linear algebra''
Room 112 UBC Media Services, 2329 West Mall
NOTE: This is the first in a series of PIms lectures
on High-Performance Computing, and will broadcast
to five other universities affiliated with the
Pacific Institute for the Mathematical Sciences.

3:30-5:00 p.m., Thursday, January 23
Probability Seminar (working seminar on Self-Avoiding Random Walk)
Dr. Eric Derbez, Department of Mathematics, UBC
``Bounds on the lace expansion for lattice trees''
Room Math Annex 1118

3:30 p.m., Friday, January 24
Mathematics Colloquium
Dr. Robert Dillon, Department of Mathematics, Tulane Univ.
``Mathematical and computational modeling of moving boundaries
and fluid dynamics in biological systems''

Room Math 104*
*NOTE: Tea and cookies will be served at 3:15
in the Math Annex Coffee Lounge, Room 1115.


11:00 a.m., Monday, January 27
Mathematical Finance Seminar
Dr. Roberto Malamut, Department of Mathematics, UBC
``Correlations in Interest Rate Processes:
Estimation and Verification of Their Non-Stationary Behavior''

Room Math Annex 1102

3:30 p.m., Monday, January 27
Applied Mathematics Colloquium
Dr. Tali Eilam, Faculty of Commerce, UBC
``The 2-Separate Paths Problem''
Room Old Computer Science Bldg., Room 301

11:30 a.m., Tuesday, January 28
Toric Varieties Seminar
Dr. Jim Carrell, Department of Mathematics, UBC
``The cohomology of projective toric varieties III''
Room Math Annex 1102

2:30 p.m., Tuesday, January 28
Number Theory Seminar
Dr. Rajiv Gupta, Department of Mathematics, UBC
``A Family of Modular Elliptic Curves II''
Room Math Annex 1102

10:30 a.m., Wednesday, January 29
Probability Seminar (working seminar on self-avoiding random walk
and the lace expansion)
Dr. Eric Derbez, Department of Mathematics, UBC
``The lace expansion and the three-point function''
Room Angus 412 (note room change)

3:30 p.m., Wednesday, January 29
Physics/PDE Seminar
Dr. George Bluman, Department of Mathematics, UBC
``Conservation laws II''
Room Math Annex 1102

2:30 p.m., Thursday, January 30
Special Mathematics Colloquium
Dr. Ben Bolker, Dept of Ecology and Evolutionary Biology,
Princeton Univ.
``Using moment equations to explore stochastic spatial pattern formation
in ecological systems''

Room Math 203
NOTE: Speaker is a candidate for a position in the department.
Faculty please attend.

2:45 p.m., Thursday, January 30
Working Mathematical Physics Seminar
Dr. Gordon Semenoff, Department of Physics and Astronomy, UBC
``Effective Confining Strings II''
Room Math Annex 1118

3:30 p.m., Friday, January 31
Mathematics Colloquium
Dr. Curt McMullen, Univ. of California, Berkeley
``Renormalization and 3-manifolds that fiber over the circle''
Room Math 104*
*NOTE: Tea and cookies will be served at 3:15
in the Math Annex Coffee Lounge, Room 1115.


11:00 a.m., Monday, February 3
Mathematical Finance Seminar
Dr. Roberto Malamut, Department of Mathematics, UBC
``Likelihood Function for Multidimensional Diffusions
-- derivation and asymptotics''

Room Math Annex 1102

3:30 p.m., Monday, February 3
Special Seminar
Lynn Margaret Batten, University of Manitoba
``T-Blocking Sets in Designs''
Room Math Annex 1102

11:30 a.m., Tuesday, February 4
Toric Varieties Seminar
Dr. Jim Carrell, Department of Mathematics, UBC
``The cohomology of projective toric varieties III''
Room Math Annex 1102

2:30 p.m., Tuesday, February 4
Number Theory Seminar
Dr. Rajiv Gupta, Department of Mathematics, UBC
``Deformation rings and the Lifting Conjecture''
Room Math Annex 1102

3:30 p.m., Wednesday, February 5
Physics/PDE Seminar
Dr. Gordon Slade, McMaster Univ.
``Scaling limits for lattice trees and percolation I''
Room Math Annex 1102

3:30 p.m., Wednesday, February 5
Applied Mathematics Colloquium
Dr. Yue-Xian Li, Institute of Theoretical Dynamics,
U. California at Davis
``Modeling Intracellular Calcium Oscillations and Waves:
Mathematics and Applications''

Room Math 100
NOTE: The speaker is a candidate for the Math Biology position
in the Mathematics Department. All faculty are urged to attend this talk.

1:00-3:00 p.m., Thursday, February 6
Optimization Seminar
Dr. Brailey Sims, Department of Mathematics, Statistics,
and Computer Sciences, Univ. of Newcastle
``Recent Results on Metric Fixed Point Theory: II''
Room Math 204

2:30-3:30 p.m., Thursday, February 6
PIms Seminar
Dr. V. Kumar Murty, Dept. of Mathematics, U. Toronto
``Frobenius Distributions and Galois Representations''
Room 112, Media Services, 2329 West Mall, (broadcast from U. Alberta)

3:30 p.m., Friday, February 7
Mathematics Colloquium
Dr. Andre Longtin, Dept. of Physics, Univ. of Ottawa
``Biological Point Processes: Assessing Determinism
and Validating Models''

Room Math 104*
NOTE: Tea and cookies will be served at 3:15 in the
Math Annex Coffee Lounge, Room 1115.


11:00 a.m., Monday, February 10
Mathematical Finance Seminar
Dr. Raman Uppal, Commerce and Business Administration, UBC
``The Equilibrium Approach to Exchange Rates: Theory and Tests''
Room Math Annex 1102

11:30 a.m., Tuesday, February 11
Toric Varieties Seminar
Dr. Jim Carrell, Department of Mathematics, UBC
Title: ``TBA''
Room Math Annex 1102

1:30 p.m., Tuesday, February 11
Working Mathematical Physics Seminar
Dr. Lon Rosen, Department of Mathematics, UBC
``Layer Stripping for the Helmholtz Equation''
Room Math Annex 1118

2:30 p.m., Tuesday, February 11
Number Theory Seminar
Dr. Rajiv Gupta, Department of Mathematics, UBC
``Deformation Theory and the Lifting Conjecture II''
Room Math Annex 1102

3:30 p.m., Wednesday, February 12
Physics/PDE Seminar
Dr. Gordon Slade, McMaster Univ.
``Lattice trees in high dimension''
Room Math Annex 1102

10:00 a.m., Thursday, February 13
Topology Seminar
Dr. David Austin, Department of Mathematics, UBC
``The Hatcher-Thurston presentation for surface mapping class groups''
Room Math 104

3:30 p.m., Friday, February 14
Mathematics Colloquium
Dr. Daniel Grunbaum, Department of Mathematics, Univ. of Utah
``Advection-diffusion equations for random walks
with internal state dynamics''

Room Math 100*
NOTE: The speaker is a candidate for a position in the Mathematics
Department. All faculty are urged to attend.
NOTE: *Tea and cookies will be served at 3:15 in the Math Annex
Coffee Lounge, Room 1115.


3:30 p.m., Monday, February 17
Java Seminar
Dr. Bill Casselman / David Maxwell
``A Vector calculator - design & implementation''
Room Math Annex 1102


11:00 a.m., Monday, February 24
Mathematical Finance Seminar
Dr. Roberto Malamut, Department of Mathematics, UBC
``Pricing Interest Rate Contingent Claims with Credit Risk''
Room Math Annex 1102

3:30 p.m., Monday, February 24
IAM Colloquium
Dr. Bernie Shizgal, Department of Chemistry, UBC
``Nonequilibrium Kinetics: Kramers Equation after 57 years''
Room Old Computer Science Bldg, Room 301

11:30 a.m., Tuesday, February 25
Toric Varieties Seminar
Dr. Jim Carrell, Department of Mathematics, UBC
Title ``TBA''
Room Math Annex 1102

12:30 p.m., Tuesday, February 25
Graduate Student Seminar
Chen Greif, Department of Mathematics, UBC
``Oh matrix my matrix''
Room Old Computer Science Bldg, Room 301

2:30 p.m., Tuesday, February 25
Number Theory Seminar
Dr. Joel Friedman, Department of Mathematics, UBC
``Introduction to Selmer groups''
Room Math Annex 1102

10:30 a.m., Wednesday, February 26
Probability Seminar
Dr. Jiaming Sun, Department of Mathematics, UBC
``On criticality for competing influences of boundary condition
and external field in the Ising model''

Room Angus 412

3:30 p.m., Wednesday, February 26
Physics/PDE Seminar
Dr. Ulrich Haussmann, Department of Mathematics, UBC
``PDEs and a Skorohod problem in optimal control''
Room Math Annex 1102

2:45 p.m., Thursday, February 27
Working Mathematical Physics Seminar
Dr. Lon Rosen, Department of Mathematics, UBC
``Layer Stripping for the Helmholtz Equation''
Room Math Annex 1118

3:30 p.m., Friday, February 28
Mathematics Colloquium
Dr. Arun Ram, Princeton Univ. and MSRI
``Another look at Hoefsmit's representations''
Room Math 100*
*NOTE: Tea and cookies will be served at 3:15 in the Math
Annex Coffee Lounge, Room 1115.


11:00 a.m., Monday, March 3
Mathematical Finance Seminar
Dr. Burton Hollifield, Commerce and Business Administration, UBC
``Inflation Risk and Uncovered Interest Parity''
Room Math Annex 1102

3:30 p.m., Monday, March 3
Java Users' Seminar
Dr. David Austin, Department of Mathematics, UBC
``Development of Java Applications for First-Year Calculus''
Room Math 100

11:30 a.m., Tuesday, March 4
Toric Varieties Seminar
Dr. Jim Carrell, Department of Mathematics, UBC
Title: ``TBA''
Room Math Annex 1102

12:30 p.m., Tuesday, March 4
Graduate Student Seminar
Nathan Ng, Department of Mathematics, UBC
``Introduction to Prime Numbers''
Old Computer Science Bldg, Room 301

2:30 p.m., Tuesday, March 4
Number Theory Seminar
Dr. Joel Friedman, Department of Mathematics, UBC
``Introduction to Selmer groups II''
Room Math Annex 1102

3:30 p.m., Wednesday, March 5
Physics/PDE Seminar
Dr. Ulrich Haussmann, Department of Mathematics, UBC
``PDEs and a Skorohod problem in optimal control II''
Room Math Annex 1102

3:30 p.m., Wednesday, March 5
IAM Colloquium
Dr. Brian Seymour, Department of Mathematics, UBC
``The WKB-KdV Connection''
Old Computer Science Bldg, Room 301

10:00 a.m., Thursday, March 6
Topology Seminar
Dr. Dale Rolfsen, Department of Mathematics, UBC
Title: ``TBA''
Room Math 104

2:30 p.m., Thursday, March 6
PIms Distinguished Lecturer Series
Dr. Erich Kaltofen, North Carolina State Univ.
``The black box representation of symbolic mathematical objects:
new algorithms, record breaking computations''

Room 112 UBC Media Services, 2329 West Mall

2:45 p.m., Thursday, March 6
Working Mathematical Physics Seminar
Dr. Lon Rosen, Department of Mathematics, UBC
``Layer Stripping for the Helmholtz Equation''
Room Math Annex 1118


3:30 p.m., Monday, March 10
Java User Seminar
Jim Morey, Department of Mathematics, UBC
``The Big Event (1.1)''
Room Math 100

3:30 p.m., Monday, March 10
IAM Colloquium
Dr. J.K. Brimacombe, The Centre for Metallurgical Process Engineering,
Advanced Materials and Process Engineering Laboratory, UBC
``The role of mathematical models in the analysis
and design of materials processes''

Old Computer Science Bldg, Room 301

11:30 a.m., Tuesday, March 11
Toric Varieties Seminar
Dr. Joel Friedman, Department of Mathematics, UBC
``Riemann-Roch Theorem''
Room Math Annex 1102

12:30 p.m., Tuesday, March 11
Graduate Student Seminar
Greg Lewis, Department of Mathematics, UBC
``Dynamical Systems Approach
to a Geophysical Fluid Dynamics Problem''

Room Old Computer Science Bldg, Room 301

2:30 p.m., Tuesday, March 11
Number Theory Seminar
Dr. Joel Friedman, Department of Mathematics, UBC
``Introduction to Selmer groups III''
Room Math Annex 1102

10:30 a.m., Wednesday, March 12
Probability Seminar
Tim Duty, Department of Physics, UBC
``A Stochastic Field Theory for Reaction/Diffusion Systems''
Room Angus 412

3:30 p.m., Wednesday, March 12
Physics/PDE Seminar
Dr. Takashi Hara, Tokyo Institute of Technology
```Critical behaviour' in gravitational collapse''
Room Math Annex 1102

3:30 p.m., Friday, March 14
Mathematics Colloquium
Dr. Thomas Leness, Michigan State University
``The Role of Compactness in Gauge Theoretic Invariants''
Room Math 104*
Note: The speaker is a candidate for a position
in the department.
Note: *Tea and cookies will be served at 3:15 in the Math
Annex Coffee Lounge, Room 1115.


11:30 a.m., Monday, March 17
Special Math 523 Lecture
Dr. Jon Lee, University of Kentucky
``A problem in Matroid Theory''
Room Math Annex 1118

3:30 p.m., Monday, March 17
Special Differential Geometry Colloquium
Dr. Ping Xu*, Pennsylvania State University
``Symplectic realizations of Poisson manifolds''
Room Math 203
Note: *(DCA candidate)

11:30 a.m., Tuesday, March 18
Toric Varieties Seminar
Speaker: TBA
Title: ``TBA''
Room Math Annex 1102

12:30 p.m., Tuesday, March 18
Graduate Student Seminar
Jean Guerin, Department of Mathematics, UBC
``Not Knot''
Old Computer Science Bldg, Room 301

2:30 p.m., Tuesday, March 18
Number Theory Seminar
Dr. Fernando Rodriguez Villegas, Princeton University
``Explicit Elliptic Units''
Room Math Annex 1102

10:30 a.m., Wednesday, March 19
Probability Seminar
Dr. Ed Perkins, Department of Mathematics, UBC
``Integrated Super-Excursion''
Room Angus 412

2:30 p.m., Wednesday, March 19
Special Mathematics Colloquium
Dr. Jingyi Chen*, Massachusetts Institute of Technology
``Energy minimizing maps from Riemann surfaces''
Room Geog 212
Note: *(DCA candidate)

3:30 p.m., Wednesday, March 19
PDE Seminar
Dr. Richard Froese, Department of Mathematics, UBC
``A PDE approach to Teichmueller theory''
Room Math Annex 1102

3:30 p.m., Wednesday, March 19
IAM Colloquium
Dr. Greg Fahlman, Department of Physics & Astronomy, UBC
``Gravitational Lensing in Astronomy''
Room Old Computer Science Bldg, Room 301

10:00 a.m., Thursday, March 20
Topology Seminar
Dr. Dale Rolfsen, Department of Mathematics, UBC
``On the Thurston-Hatcher approach to surface mapping class groups''
Room Math 104

3:30 p.m., Friday, March 21
Special Mathematics Colloquium
Dr. Fernando Rodriguez Villegas*, Princeton University
``Modular Mahler Measures''
Room Math 104
Note: *(DCA candidate)
Note: Tea and cookies will be served at 3:15 in the Math Annex
Coffee Lounge, Room 1115.


11:30 a.m., Monday, March 24
Special Math 523 Lecture
Dr. Andrei Kotlov, Department of Combinatorics and Optimization,
University of Waterloo
``Colin de Verdiere's Invariant and Sphere Representations
of a Graph''

Room Math Annex 1118

2:30 p.m., Monday, March 24
Special Mathematics Colloquium
Dr. Michael Nakamaye*, Harvard University
``Diophantine Approximation on Algebraic Curves''
Room Geog 212
Note: *(DCA candidate)

3:30 p.m., Monday, March 24
IAM Colloquium
Dr. Leah Edelstein-Keshet, Department of Mathematics, UBC
``Models for the structure and dynamics
of the biopolymer, actin''

Room Old Computer Science Bldg, 301

11:30 a.m., Tuesday, March 25
Toric Varieties Seminar
Dr. Keqin Liu, Department of Mathematics, UBC
``Stanley's Theorem''
Room Math Annex 1102

12:30 p.m., Tuesday, March 25
Graduate Student Seminar
Marty Anderies, Department of Mathematics, UBC
``Cultural Dynamics and Ecosystem Stability --
the !Kung and the Tsembaga Compared''

Room Old Computer Science Bldg, 301

2:30 p.m., Tuesday, March 25
Number Theory Seminar
Dr. Michael Nakamaye, Harvard University
``An Intersection Theoretic Approach to Dyson's Lemma''
Room Math Annex 1102

3:30 p.m., Wednesday, March 26
PDE Seminar
Dr. Changfeng Gui, Department of Mathematics, UBC
``Symmetry of positive solutions to a nonlinear
mixed boundary value problem''

Room Math Annex 1102

2:30 p.m., Thursday, March 27
Probability Seminar
Dr. Chris Burdzy, University of Washington
``Hot Bodies''
Room Math 103

3:30 p.m., Thursday, March 27
Mathematics Colloquium
Dr. Minhyong Kim, University of Arizona
``Height Inequalities in Geometry and Number Theory''
Room Math 203
Note: Tea and cookies will be served at 3:15
in the Math Annex Coffee Lounge, Room 1115.


11:30 a.m., Tuesday, April 1
Toric Varieties Seminar
Dr. Keqin Liu, Department of Mathematics, UBC
``F-Vectors''
Room Math Annex 1102

12:30 p.m., Tuesday, April 1
Graduate Student Seminar
Michael Cherkassoff, Department of Mathematics, UBC
``How (not) to get something out of (almost) nothing''
Old Computer Science Bldg., Room 301

3:30 p.m., Wednesday, April 2
IAM Colloquium
Dr. Uri Ascher, Department of Computer Science, UBC
``Back-Tracking Ax=b''
Old Computer Science Bldg., Room 301

2:30 p.m., Thursday, April 3
SFU, Dept. of Mathematics and Statistics Lecture
(sponsored by PIms Distinguished Lecturer Series)
David Jefferson, Digital Equipment Corporation
``Information immortality and its consequences''
SFU West Mall Complex, Room 2522

2:45 p.m., Thursday, April 3
Working Mathematical Physics Seminar
Dr. Detlef Lehmann, Department of Mathematics, UBC
``An Explicit Solution of the BCS Model and Demonstration
of Symmetry Breaking (Part I)''

Room Math Annex 1118

3:30 p.m., Friday, April 4
Mathematics Colloquium
Dr. Xiao-Song Lin, University of California at Riverside
``Path integrals and knot polynomials''
Room Math 104
Note: Tea and cookies will be served at 3:15
in the Math Annex Coffee Lounge, Room 1115.


1:30 p.m., Monday, April 7
Analysis Seminar
Dr. Kathryn Hare, Department of Pure Mathematics, University of Waterloo
``Differentiation theorems and maximal operators''
Room Math Annex 1102

12:30 p.m., Tuesday, April 8
Graduate Student Seminar
Athan Spiros, Department of Mathematics, UBC
``Put Your Left Foot In And You Shake It All About''
Old Computer Science Bldg., Room 301

3:30 p.m., Wednesday, April 9
IAM Colloquium
Dan Gelbert, Co-Founder & President of CREO Products
``Mathematics and Telecommunications''
Old Computer Science Bldg., Room 301

2:45 p.m., Thursday, April 10
Working Mathematical Physics Seminar
Dr. Detlef Lehmann, Department of Mathematics, UBC
``An Explicit Solution of the BCS Model and Demonstration
of Symmetry Breaking (Part 1)''

Room Math Annex 1118


12:30 p.m., Tuesday, April 15
Graduate Student Seminar
Djun Kim, Department of Mathematics, UBC
``Secrets and Lies''
Old Computer Science Bldg., Room 301

10:00 a.m., Thursday, April 17
Topology Seminar
Dr. Sandy Rutherford, Department of Mathematics, UBC
``On the Thurston-Hatcher approach to surface mapping class groups''
Room Math 104

1:30 p.m., Thursday, April 17
Working Mathematical Physics Seminar
Dr. Detlef Lehmann, Department of Mathematics, UBC
``An Explicit Solution of the BCS Model and Demonstration
of Symmetry Breaking (Part 2)''

Room Math Annex 1118


3:30 p.m., Tuesday, April 22
Working Mathematical Physics Seminar
Dr. Detlef Lehmann, Department of Mathematics, UBC
``An Explicit Solution of the BCS Model and Demonstration
of Symmetry Breaking (Part 3)''

Room Math Annex 1118

10:00 a.m., Thursday, April 24
Topology Seminar
Dr. Sandy Rutherford, Department of Mathematics, UBC
``On the Thurston-Hatcher approach to surface mapping class groups ''
Room Math 104


2:00 p.m., Wednesday, May 28
Special Number Theory Seminar
Dr. I. Shparlinski, School of MPCE, Macquarie University
``Number Theoretic Methods in Lower Bounds
of the Complexity of the Discrete Logarithm''

Room Math Annex 1102


2:30 p.m., Tuesday, September 2
Analysis Seminar
Dr. Pawel Szeptycki, University of Kansas
"Sharp Estimates for Convolution Operators
with Homogeneous Kernels"

Room Matx 1102

2:30 p.m., Wednesday, September 3
Analysis Seminar
Dr. Gilbert Muraz, Fourier Institute (Grenoble)
"General Amalgam Spaces"
Room Matx 1102

3:30 p.m., Friday, September 5
Mathematics Colloquium
Drs. U. Ascher, UBC Institute of Applied Mathematics,
P.E. Greenwood, Crisis Points Group at the Peter Wall Institute,
and E.A. Perkins, Pacific Institute for the Mathematical Sciences
"Mathematics beyond the Department"
Room Math 100


3:30 p.m., Monday, September 8
IAM Colloquium
Dr. John Heywood, Mathematics, UBC
"On Compressible Viscous Flow"
Old Computer Science Bldg, Room 301

3:30 p.m., Wednesday, September 10
PDE Seminar
David Maxwell, Mathematics, UBC
"On the Regularity of a Non-linear Stokes-like System
and an Associated Non-Newtonian Fluid"

Room Matx 1102

2:30 p.m., Thursday, September 11
Topology Seminar
Dr. David Krebes, PIms/Mathematics, UBC
"An obstruction to embedding 4-tangles"
Room Matx 1102

3:30 p.m., Friday, September 12
Mathematics Colloquium
Dr. George Bluman, Head, Department of Mathematics, UBC
"Integrating Factors and First Integrals
for Ordinary Differential Equations"

Room Math 100


1:00 p.m., Tuesday, September 16
Mathematical Physics Seminar
Dr. Richard Froese, Mathematics, UBC
"Spin Boson Models"
Room Math Annex 1102

3:30 p.m., Wednesday, September 17
PDE Seminar
Dr. Changfeng Gui, Mathematics, UBC
"Multiple Interior Peak Solutions
for Singularly Perturbed Neumann Problems"

Room Math Annex 1102

3:30 p.m., Wednesday, September 17
Institute of Applied Mathematics Colloquium
Dr. Greg Lawrence, Civil Engineering, UBC
"Some Problems in Environmental Fluid Mechanics"
Old Computer Science Bldg., Room 301

11:30 a.m., Thursday, September 18
Algebraic Geometry Seminar
Dr. Jim Carrell, Mathematics, UBC
"Bott Residue Formula and Cohomology"
Room Math Annex 1118

2:30 p.m., Thursday, September 18
Topology Seminar
Dr. David Krebes, PIms/Mathematics, UBC
"An obstruction to embedding 4-tangles, Part II"
Room Math Annex 1102

3:00 p.m., Thursday, September 18
Number Theory Seminar
Dr. Stephen Choi, PIms/Mathematics, UBC
"On the Number of Solutions of the Unit Equation"
Room Math 225

3:30 p.m., Friday, September 19
Mathematics Colloquium
Dr. Ted Cox, Mathematics, UBC
"The Voter Model: a survey and some recent results"
Room Math 100


3:30 p.m., Monday, September 22
IAM Distinguished Colloquium Series
Dr. David J. Wollkind, Department of Pure and Applied Mathematics,
Washington State Univ.
``Chemical Turing Pattern Formation Analyses:
Comparison of Theory with Experiment''

Old Computer Science Bldg, Room 301

1:00 p.m., Tuesday, September 23
Mathematical Physics Seminar
Dr. Richard Froese, Mathematics, UBC
``Pauli-Fiertz Hamiltonians''
Room Math Annex 1102

3:30 p.m., Wednesday, September 24
PDE Seminar
Dr. Fabrice Bethuel, Universite Paris-Sud (Orsay)
``Travelling waves in nonlinear optics
and superfluids: solutions with vortices''

Room Math Annex 1102

3:30 p.m., Wednesday, September 24
Probability Seminar
Dr. Martin Barlow, Mathematics, UBC
``Walsh's Brownian motions, II''
Room Math Annex 1118

11:30 a.m., Thursday, September 25
Algebraic Geometry Seminar
Dr. Jim Carrell, Mathematics, UBC
``Bott Residue Formula and Cohomology, II''
Room Math Annex 1118

2:30 p.m., Thursday, September 25
Topology Seminar
Dr. Sadok Kallel, PIms/Mathematics, UBC
``The Topology of Spaces of Maps from Riemann Surfaces
into Complex Projective Space''

Room Math Annex 1102

3:30 p.m., Friday, September 26
Mathematics Colloquium
Dr. Fabrice Bethuel, Universite Paris-Sud (Orsay),
Laboratoire d'Analyse numerique et EDP
``Ginzburg-Landau equations in physics and geometry''
Room Math 100


1:00 p.m., Tuesday, September 30
Mathematical Physics Seminar
Dr. Malek Abdesselam, Mathematics, UBC
``Constructive Renormalization''
Room Math Annex 1102

3:30 p.m., Wednesday, October 1
PDE Seminar
Dr. Meijun Zhu, PIms/Mathematics, UBC
``Energy-independent a priori estimates on elliptic problems
involving critical Sobolev exponents''

Room Math Annex 1102

3:30 p.m., Wednesday, October 1
Applied Mathematics Colloquium
Dr. M. Padula, Dept. of Mathematics, University of Ferrera, Italy
``On the regularity of steady flows of viscous barotropic fluids''
Old Computer Science Bldg, Room 301

11:30 a.m., Thursday, October 2
Algebraic Geometry Seminar
Dr. Jim Carrell, Mathematics, UBC
``Bott Residue Formula and Cohomology, III''
Room Math Annex 1118

2:30 p.m., Thursday, October 2
Topology Seminar
Dr. Sadok Kallel, PIms/Mathematics, UBC
``The Topology of Spaces of Maps from Riemann Surfaces
into Complex Projective Space, II''

Room Math Annex 1102

3:30 p.m., Friday, October 3
Mathematics Colloquium
Dr. Wei-Ming Ni, School of Mathematics, University of Minnesota
``Diffusion, Cross-Diffusion and their Spike-Layer Steady States''
Room Math 100


1:00 p.m., Tuesday, October 7
Mathematical Physics Seminar
Dr. Malek Abdesselam, Mathematics, UBC
``Constructive Renormalization II''
Room Math Annex 1102

3:30 p.m., Wednesday, October 8
PDE Seminar
Dr. Meijun Zhu, PIms/Mathematics, UBC
``Energy-independent a priori estimates on elliptic problems
involving critical Sobolev exponents''

Room Math Annex 1102

3:30 p.m., Wednesday, October 8
Probability Seminar
Dr. Ted Cox, Mathematics, UBC
``Recurrence properties of interacting particle systems, II''
Room Math Annex 1118

11:30 a.m., Thursday, October 9
Algebraic Geometry Seminar
Dr. Tonny Springer, University of Utrecht
``Complex Reflection Groups, I''
Room Math Annex 1118

2:30 p.m., Thursday, October 9
Topology Seminar
Dr. Sadok Kallel, PIms/Mathematics, UBC
``The Topology of Spaces of Maps from Riemann Surfaces
into Complex Projective Space, III''

Room Math Annex 1102

2:30 p.m., Friday, October 10
Special Mathematical Physics Seminar
Dr. Georgi Vodev, Department of Mathematics, Universite de Nantes
``Existence of resonances close to the real axis
in obstacle scattering''

Room Math Annex 1102

3:30 p.m., Friday, October 10
Mathematics Colloquium
Dr. Richard Anstee, Mathematics, UBC
``Matching Theory: Two half edges are better than a whole edge''
Room Math 100


1:00 p.m., Tuesday, October 14
Mathematical Physics Seminar
Dr. Malek Abdesselam, Mathematics, UBC
``Constructive Renormalization, III''
Room Math Annex 1102

3:30 p.m., Tuesday, October 14
Special IAM Mathematical Biology Seminar
Dr. G. Bard Ermentrout, Department of Mathematics,
University of Pittsburgh
``The visions of Shamans and Saints: what Paleolithic
Cave Paintings tell us about the visual cortex''

Room Math Annex 1100 (note room change)

3:30 p.m., Wednesday, October 15
Applied Mathematics Colloquium
Dr. Rimas Pakalnas, Department of Mining Engineering, UBC
``Numerical Modelling within the Mining Industry''
Old Computer Science Bldg., Room 301

11:30 a.m., Thursday, October 16
Algebraic Geometry Seminar
Dr. Tonny Springer, University of Utrecht
``Complex Reflection Groups, II''
Room Math Annex 1118

2:30 p.m., Thursday, October 16
Topology Seminar
Dr. Olivier Collin, Mathematics, UBC
``Instanton Floer Homology for Knots''
Room Math Annex 1102

2:30-3:30 p.m., Thursday, October 16
Joint UBC/SFU Number Theory Seminar
Dr. David Boyd, Mathematics, UBC
``Polynomials with small height and high order zeros''
Room Math 225

3:30-4:30 p.m., Thursday, October 16
Joint UBC/SFU Number Theory Seminar
Dr. Rajiv Gupta, Mathematics, UBC
``Class groups of quadratic function fields''
Room Math 225

3:30 p.m., Friday, October 17
Mathematics Colloquium
Dr. Peter J. Olver, School of Mathematics,
University of Minnesota
``Applications of Lie Groups to Computer Vision''
Room Math 100


3:30 p.m., Monday, October 20
IAM Distinguished Colloquium Series
Dr. Gunther Uhlmann, Department of Mathematics,
Univ. of Washington
``Inverse Boundary Problems''
Old Computer Science Bldg, Room 301

1:00 p.m., Tuesday, October 21
Mathematical Physics Seminar
Dr. Malek Abdesselam, Mathematics, UBC
``Constructive Renormalization, IV''
Room Math Annex 1102

3:30 p.m., Wednesday, October 22
PDE Seminar
Dr. Jingyi Chen, Mathematics, UBC
``Holomorphic extension for maps from the boundary
of complex manifolds''

Room Math Annex 1102

3:30 p.m., Wednesday, October 22
Probability Seminar
Dr. Rinaldo Schinazi, Department of Mathematics,
Univ. of Colorado
``A spatial stochastic model for sickle cell disease"
Room Math Annex 1118

11:30 a.m., Thursday, October 23
Algebraic Geometry Seminar
Dr. Jim Carrell, Mathematics, UBC
``Normality of projective Torus orbits"
Room Math Annex 1118

1:00--3:00 p.m., Thursday, October 23
Joint UBC/SFU Optimization Seminar
Dr. Iouri Khidirov, Mathematics, UBC
``Complementarity problems and variational inequalities
in complementary systems of spaces''

Room Math 105

2:30 p.m., Thursday, October 23
Topology Seminar
Dr. Olivier Collin, Mathematics, UBC
``Instanton Floer Homology for Knots, II''
Room Math Annex 1102

3:30 p.m., Friday, October 24
Mathematics Colloquium
Dr. Changfeng Gui, Mathematics, UBC
``Maximum principles and symmetries
of Partial Differential Equations''

Room Math 100


1:00 p.m., Tuesday, October 28
Mathematical Physics Seminar
Dr. Malek Abdesselam, Mathematics, UBC
``Constructive Renormalization V''
Room Math Annex 1102

2:30 p.m., Tuesday, October 28
Mathematical Biology Seminar
Dr. Fred Brauer, Department of Mathematics,
Univ. of Wisconsin and UBC
``A model for communicable diseases
with age-dependent mortality''

Room Math Annex 1102

3:30 p.m., Wednesday, October 29
PDE Seminar
Dr. Nassif Ghoussoub, Mathematics, UBC
``On a conjecture of De Giorgi in low dimensions"
Room Math Annex 1102

3:30 p.m., Wednesday, October 29
Probability Seminar
Dr. Leonid Mytnik, Mathematics, UBC
``Uniqueness for a competing species model''
Room Math Annex 1118

3:30 p.m., Wednesday, October 29
Applied Mathematics Colloquium
Dr. Mary Catherine Kropinski, Department of Mathematics, SFU
``Integral Equation Methods for Stokes Flows''
Old Computer Science Bldg., Room 301

2:30 p.m., Thursday, October 30
Topology Seminar
Dr. Olivier Collin, Mathematics, UBC
``Instanton Floer Homology for Knots III''
Room Math Annex 1102

1:30 p.m., Friday, October 31
Joint Particle Physics/Mathematical Physics Seminar
Dr. Alfonso Jaramillo, Departamento de Fisica Teorica,
Universidad de Valencia
``Non-perturbative VEVs from a Local Expansion:
A new approach to confinement''

Room Math Annex 1102

3:30 p.m., Friday, October 31
Mathematics Colloquium
Dr. Anthony Peirce, Mathematics, UBC
``Fractures and Frontiers''
Room Math 100


3:30 p.m., Monday, November 3
Applied Mathematics Colloquium
Dr. Keith Promislow, Department of Mathematics, SFU
``Renormalization Group Methods''
Old Computer Science Bldg, Room 301

1:00 p.m., Tuesday, November 4
Mathematical Physics Seminar
Dr. Malek Abdesselam, Mathematics, UBC
``Constructive Renormalization VI''
Room Math Annex 1102

3:30 p.m., Wednesday, November 5
PDE Seminar
Dr. Nassif Ghoussoub, Mathematics, UBC
``The De Giorgi conjecture in low dimensions II''
Room Math Annex 1102

3:30 p.m., Wednesday, November 5
Probability Seminar
Dr. Leonid Mytnik, Mathematics, UBC
``Uniqueness of a competing species model II''
Room Math Annex 1118

11:30 a.m., Thursday, November 6
Algebraic Geometry Seminar
Dr. Kai Behrend, Mathematics, UBC
``Localization and Gromov-Witten invariants''
Room Math Annex 1118

2:30 p.m., Thursday, November 6
Topology Seminar
Dr. Brian Steer, Oxford University
``On the Riemann Hurwitz Problem"
Room Math Annex 1102

3:30 p.m., Thursday, November 6
Special Mathematical Physics Seminar
Dr. Georgi Popov, Bulgarian Academy of Sciences
``Birkhoff normal form and quasimodes''
Room Math Annex 1102

3:30 p.m., Friday, November 7
Mathematics Colloquium
Dr. Lon Rosen, Mathematics, UBC
``Which functions preserve nonnegative symmetric matrices?''
Room Math 100


1:00 p.m., Tuesday, November 11
Mathematical Physics Seminar
Dr. Malek Abdesselam, Mathematics, UBC
``Constructive Renormalization VII''
Room Math Annex 1102

3:30 p.m., Wednesday, November 12
PDE Seminar
Dr. Nassif Ghoussoub, Mathematics, UBC
``Multiplicity of solutions for non-homogeneous PDEs
and Hamiltonian systems''

Room Math Annex 1102

3:30 p.m., Wednesday, November 12
Probability Seminar
Dr. E. Waymire, Department of Mathematics, Oregon State Univ.
``Multiplication Cascades''
Room Math Annex 1118

11:30 a.m., Thursday, November 13
Algebraic Geometry Seminar
Dr. Kai Behrend, Mathematics, UBC
``Localization and Gromov-Witten invariants II''
Room Math Annex 1118

2:30--4:00 p.m., Thursday, November 13
Joint UBC/SFU Number Theory Seminar
Videotape showing of the program ``The Proof''
a PBS documentary on the proof of Fermat's Last Theorem
with commentary by Rajiv Gupta
Room Math 229

2:30 p.m., Friday, November 14
(Originally scheduled 3:30 p.m.)
NOTE TIME & ROOM CHANGE
Mathematics Colloquium
Dr. Jack Morava, Department of Mathematics
John Hopkins University
``What physicists know about cohomology that we don't''
Room Math 105


3:30 p.m., Monday, November 17
IAM Distinguished Colloquium Series
Dr. Giovanni Paolo Galdi, Department of Mathematics,
University of Pittsburgh
``The steady-state flow of a Navier-Stokes fluid
past a self-propelled body''

Old Computer Science Bldg, Room 301

1:00 p.m., Tuesday, November 18
Mathematical Physics Seminar
Dr. Malek Abdesselam, Department of Mathematics, UBC
``Constructive Renormalization VIII''
Room Math Annex 1102

4:30 p.m., Tuesday, November 18
Mathematical Biology Seminar
Dr. Donald Ludwig, Departments of Mathematics
and Zoology, UBC
``Environmental Science and Regulation''
Room Math Annex 1100

11:30 a.m., Thursday, November 20
Algebraic Geometry Seminar
Dr. Kai Behrend, Mathematics, UBC
``Localization and Gromov-Witten invariants III''
Room Math Annex 1118

3:30 p.m., Friday, November 21
Mathematics Colloquium
Professor R. Schoen, Department of Mathematics,
Stanford University
``A Plateau problem in complex geometry''
Room Math 100


1:00 p.m., Tuesday, November 25
Mathematical Physics Seminar
Dr. Malek Abdesselam, Department of Mathematics, UBC
``Constructive Renormalization VIII'' (previously postponed)
Room Math Annex 1102

2:30 p.m., Thursday, November 27
Topology Seminar
Dr. Dale Rolfsen, Department of Mathematics, UBC
``Ordered Groups and Braids''
Room Math Annex 1102

3:30 -- 5:00 p.m., Thursday, November 27
Joint UBC/SFU Number Theory Seminar
Drs. Ping Zhou and Peter Borwein, Department of Mathematics
and Statistics, SFU
``1) Irrationality of Some Multivariate Functions"
``2) Littlewood Type Problems in Subarcs''

Room K9509 (SFU)

3:30 p.m., Friday, November 28
Mathematics Colloquium
Professor Aaron Bertram, Department of Mathematics,
University of Utah
``Quantum Products of Cohomology Classes''
Room Math 100


1:00 p.m., Tuesday, December 2
Mathematical Physics Seminar
Dr. Malek Abdesselam, Department of Mathematics, UBC
``Constructive Renormalization IX''
Room Math Annex 1102

1:30 p.m., Thursday, December 4
Mathematical Physics Seminar
Dr. Mitsuru Ikawa, Department of Mathematics, Osaka University
``Scattering by several convex bodies''
Room Math Annex 1102


1:00 p.m., Tuesday, December 9
Mathematical Physics Seminar
Dr. Malek Abdesselam, Department of Mathematics, UBC
``Constructive Renormalization X''
Room Math Annex 1118 (note nonstandard room)

1:30 p.m., Friday, December 12
Mathematical Physics Seminar
Dr. Jedrzej Sniatycki, Department of Mathematics, University of Calgary
``What can we learn from the classical theory of Yang-Mills fields?''
Room Math Annex 1102