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##### Past 1999 Seminars
 1999 Seminars 1:30 p.m., Tuesday, January 12, 1999 Math Graduate Student Seminar Colleen Robles, Department of Mathematics, UBC The Parallel Postulate (or which one is not like the others)'' Old Computer Science Bldg., Room 301 3:30 p.m., Wednesday, January 13, 1999 Applied Mathematics Colloquium Eldad Haber, Departments of Computer Science and Geophysics, UBC Modelling 3D Quasi-Static Electromagnetic'' Old Computer Science Bldg. Room 301 3:00 p.m., Thursday, January 14, 1999 Algebra Seminar Jonathon Funk, Department of Mathematics, UBC Aspects of Distributions, IV'' Room Math Annex 1102 9:30 a.m., Friday, January 15, 1999 Mathematical Finance Seminar Ulrich Haussmann, Department of Mathematics, UBC A Two Factor Model for Commodity Prices'' Room Math Annex 1102 3:30 p.m., Friday, January 15, 1999 Mathematics Colloquium Dale Rolfsen, Department of Mathematics, UBC Ordered groups and braids'' Room Math 100 3:30 p.m., Monday, January 18, 1999 IAM Distinguished Colloquium Series Stephen L. Campbell, Department of Mathematics, North Carolina State University Non Linear Descriptor Systems'' Old Computer Science Bldg., Room 301 2:30 p.m., Thursday, January 21, 1999 Algebra Seminar Richard Squire, Department of Mathematics, UBC Notions of finiteness in a topos'' Room Math Annex 1102 2:30 p.m., Thursday, January 21, 1999 PIMS Distinguished Lecturer Series Professor Gilbert Strang, Department of Mathematics, MIT Cosine Transforms and Wavelet Transforms and Signal Processing'' UBC Media Center, University Services Bldg., 2329 West Mall, (broadcast from the Univ. of Victoria) 9:30 a.m., Friday, January 22, 1999 Mathematical Finance Seminar Ulrich Haussmann, Department of Mathematics, UBC Forward and Futures Contracts'' Room Math Annex 1102 3:30 p.m., Friday, January 22, 1999 Mathematics Colloquium Florin Diacu, Department of Mathematics and Statistics, University of Victoria The Anisotropic Manev Problem'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 1:30 p.m., Thursday, January 28, 1999 Math Graduate Student Seminar Nathan Ng, Department of Mathematics, UBC Chebychev's Bias'' Old Computer Science Bldg., Room 301 Refreshments at 1:20 in Room 300. 3:00 p.m., Thursday, January 28, 1999 Algebra Seminar Richard Squire, Department of Mathematics, UBC Finite boundedness in a topos'' Room Math Annex 1102 3:30 p.m., Friday, January 29, 1999 Mathematics Colloquium Fred Brauer, Department of Mathematics, University of Wisconsin and UBC Models for communicable diseases with age-dependent mortality'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 1:30 p.m., Thursday, February 4, 1999 Math Graduate Student Seminar Edwin Yu, Department of Mathematics, UBC Why is e^{\pi \sqrt{163}} so close to an integer?'' Old Computer Science Bldg., Room 301 Refreshments at 1:20 in Room 300 3:00 p.m., Thursday, February 4, 1999 Algebra Seminar Art Stone 3-categories and higher order logic'' Room Math Annex 1102 9:30 a.m., Friday, February 5, 1999 Mathematical Finance Seminar Daniel Ng, FinancialCAD Corp. Commodity Pricing: Arbitrage Approach'' Room Math Annex 1102 3:30 p.m., Friday, February 5, 1999 Mathematics Colloquium David Boyd, Department of Mathematics, UBC Mahler's measure and the volume of hyperbolic manifolds'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 3:30 p.m., Monday, February 8, 1999 IAM Colloquium John A. Mackenzie, Department of Mathematics, University of Strathclyde, Glasgow, U.K. Uniform convergence of numerical approximations of singularly perturbed boundary value problems using adaptive grids'' Old Computer Science Bldg., Room 301 1:30 p.m., Thursday, February 11, 1999 Math Graduate Student Seminar Kostis Sakellaris, Department of Mathematics, UBC Pricing options in discrete time'' Old Computer Science Bldg., Room 301 Refreshments at 1:20 in Room 300. 3:00 p.m., Thursday, February 11, 1999 Algebra Seminar Art Stone Horizontal composition of allo natural transformations'' Room Math Annex 1102 9:30 a.m., Friday, February 12, 1999 Mathematical Finance Seminar John Walsh, Department of Mathematics, UBC Term Structure of Interest Rates and Random Fields'' Room Math Annex 1102 3:30 p.m., Monday, February 22, 1999 IAM Colloquium Huaxiong Huang, Pacific Institute for the Mathematical Sciences Adaptive Methods, Sharp Transition Layers, and Asymptotic Error Analysis'' Old Computer Science Bldg., Room 301 10:30 a.m., Thursday, February 25, 1999 Topology Seminar David Boyd, Department of Mathematics, UBC Introduction to the A-polynomial'' Room Math Annex 1118 1:30 p.m., Thursday, February 25, 1999 Math Graduate Student Seminar Djun Kim, Department of Mathematics, UBC Braids, Orderings, and Algorithms'' Old Computer Science Bldg., Room 301 Refreshments at 1:20 in Room 300. 3:00 p.m., Thursday, February 25, 1999 Algebra Seminar Jonathon Funk, Department of Mathematics, UBC Lebesgue Subtoposes'' Room Math Annex 1102 9:30 a.m., Friday, February 26, 1999 Mathematical Finance Seminar John Walsh, Department of Mathematics, UBC Term Structure of Interest Rates and Random Fields, II'' Room Math Annex 1102 3:30 p.m., Friday, February 26, 1999 Mathematics Colloquium Chris Woodward, MSRI and Rutgers University Eigenvalue Inequalities and Schubert Calculus'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 3:30 p.m., Monday, March 1, 1999 Number Theory Study Group Deanna Verones, Department of Mathematics, UBC Introduction to Elliptic Curves'' Room Math Annex 1102 3:30 p.m., Wednesday, March 3, 1999 IAM Colloquium Don Ludwig, Department of Mathematics, UBC How viable is population viability analysis?'' Old Computer Science Bldg., Room 301 10:30 a.m., Thursday, March 4, 1999 Topology Seminar David Boyd, Department of Mathematics, UBC A-polynomials II'' Room Math Annex 1118 1:30 p.m., Thursday, March 4, 1999 Math Graduate Student Seminar Doug James, Department of Mathematics, UBC Subdivision Surfaces for Geometric Modeling and Multiresolution Analysis'' Old Computer Science Bldg., Room 301 Refreshments at 1:20 in Room 300. 3:00 p.m., Thursday, March 4, 1999 Algebra Seminar Jonathon Funk, Department of Mathematics, UBC Lebesgue Subtoposes II'' Room Math Annex 1102 9:30 a.m., Friday, March 5, 1999 Mathematical Finance Seminar Lawrence Luo, FinancialCAD Barrier, double barrier and window barrier options and their application'' Room Math Annex 1102 3:30 p.m., Friday, March 5, 1999 Mathematics Colloquium William Casselman, Department of Mathematics, UBC Teaching mathematics on the Internet'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 3:30 p.m., Monday, March 8, 1999 IAM Colloquium John Stockie, Department of Mathematics & Statistics, SFU Modeling Gas Transport in Fuel Cell Electrodes'' Room Old Computer Science Bldg., Room 301 10:30 a.m., Thursday, March 11, 1999 Topology Seminar Wolfgang Heil, Department of Mathematics, Florida State University Stiefel Whitney surfaces in non-orientable 3-manifolds'' Room Math Annex 1118 1:30 p.m., Thursday, March 11, 1999 Math Graduate Student Seminar Magdalena Luca, Department of Mathematics, UBC Preliminary Model of the Role of Toxic Proteins and Microglia in Alzheimer's Disease'' Old Computer Science Bldg., Room 301 Refreshments at 1:20 in Room 300. 3:00 p.m., Thursday, March 11, 1999 Algebra Seminar John MacDonald, Department of Mathematics, UBC Parameters and Fibrations'' Room Math Annex 1102 3:30 p.m., Friday, March 12, 1999 Mathematics Colloquium Wolfgang Heil, Department of Mathematics, Florida State University The Seifert Fiber Space Conjecture'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 10:30 a.m., Tuesday, March 16, 1999 Special Topology Seminar David Boyd, Department of Mathematics, UBC Introduction to the A-polynomial, III'' Room Math Annex 1118 3:30 p.m., Wednesday, March 17, 1999 IAM Colloquium Marty Anderies, Crisis Points Group of the Peter Wall Institute for Advanced Studies / Department of Mathematics, UBC Economic growth in a bounded ecosystem: Feasible paths to a sustainable ecological economic system'' Old Computer Science Bldg., Room 301 1:30 p.m., Thursday, March 18, 1999 Math Graduate Student Seminar Michele Titcombe, Department of Mathematics, UBC A way to treat singular perturbation problems involving reciprocal logarithms'' Old Computer Science Bldg., Room 301 Refreshments at 1:20 in Room 300. 3:30 p.m. *NOTE day, room changes* Thursday, March 18, 1999 Mathematical Finance Seminar Joel Friedman, Department of Mathematics, UBC An Introduction to Statistical Arbitrage'' Room Math Annex 1118 3:30 p.m., Friday, March 19, 1999 Mathematics Colloquium Nolan Wallach, Department of Mathematics, Univ. of California, San Diego Quantum computing, entanglement, and invariant theory'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 3:30 p.m., Monday, March 22, 1999 Number Theory Study Group Rajiv Gupta, Department of Mathematics, UBC The Coates-Wiles Theorem, I'' Room Math Annex 1102 3:30 p.m., Monday, March 22, 1999 IAM Distinguished Colloquium Series Bob Russell, Department of Mathematics and Statisitics, SFU Recent developments on adaptivity for solving partial differential equations'' Old Computer Science Bldg., Room 301 10:30 a.m., Thursday, March 25, 1999 Topology Seminar Xingru Zhang, Department of Mathematics, SUNY at Buffalo The A-polynomials of knots and Dehn surgery'' Room Math Annex 1118 1:30 p.m., Thursday, March 25, 1999 Math Graduate Student Seminar Richard Wan, Department of Mathematics, UBC An Introduction to non-standard analysis: Infinitesmal Calculus and Hyperfinite numbers'' Old Computer Science Bldg., Room 301 Refreshments at 1:20 in Room 300. 3:30 p.m., Thursday, March 25, 1999 Mathematical Finance Seminar Jian Liu, Department of Statistics, UBC Portfolio Formation and Risk Management'' Room Math 103 3:30 p.m., Friday, March 26, 1999 Mathematics Colloquium Lawrence C. Evans, University of California, Berkeley Averaging for Hamilton-Jacobi PDE'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 3:30 p.m., Monday, March 29, 1999 Number Theory Study Group Rajiv Gupta, Department of Mathematics, UBC The Coates-Wiles Theorem, II'' Room Math Annex 1102 10:30 a.m., Thursday, April 1, 1999 Topology Seminar David Boyd, Department of Mathematics, UBC Introduction to the A-polynomial, IV'' Room Math Annex 1118 3:00 p.m., Thursday, April 1, 1999 Algebra Seminar Jonathon Funk, Department of Mathematics, UBC Dimension theory for geometric morphisms'' Room Math Annex 1102 3:30 p.m., Friday, April 9, 1999 Mathematics Colloquium Professor Daniel Pollack, University of Washington Surfaces of constant mean curvature in R^3'' Room Math 100 1:30 p.m., Thursday, April 15, 1999 Math Graduate Student Seminar Greg Lewis, Department of Mathematics, UBC Title to be announced Room 301, Old Computer Science Bldg Refreshments at 1:20 in Room 300. 3:30 p.m., Friday, September 10, 1999 Mathematics Colloquium Izabella Laba, Princeton University Recent work on the Kakeya conjecture Room Math 100 Refreshments at 3:15 in Math Annex Room 1115. 3:30 p.m., Monday, September 13, 1999 Applied Mathematics Colloquium Michael Ward, Department of Mathematics, UBC Stability of Spike Solutions to the Gierer-Meinhardt Model'' Old Computer Science Bldg., Room 301 3:30 p.m., Wednesday, September 15, 1999 Probability Seminar John Walsh, Department of Mathematics, UBC Changes of variables and time reversal in stochastic partial differential equations'' Room Math Annex 1102 3:00 p.m., Thursday, September 16, 1999 PDE/Math Physics Seminar Vesselin Petkov, University of Bordeaux, France Analytic singularities of the dynamical zeta function" Room Math Annex 1102 3:30 p.m., Friday, September 17, 1999 Mathematics Colloquium Panagiota Daskalopolous, University of California, Irvine The Beetles and the Rolling Stones'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 1:30 p.m., Tuesday, September 21, 1999 Number Theory Seminar Deanna Verones, Department of Mathematics, UBC Heegner Points on X_0(N) and Rational Points on Elliptic Curves'' Room Math Annex 1102 3:30 p.m., Monday, September 27, 1999 Joint IAM-PIMS Distinguished Colloquium Michael Shelley, Courant Institute, New York University Modeling Neuronal Dynamics in the Visual Cortex'' LSK Bldg., Room 301 1:30 p.m., Tuesday, September 28, 1999 Number Theory Seminar Deanna Verones, Department of Mathematics, UBC Heegner Points on X_0(N) and Rational Points on Elliptic Curves, II'' Room Math Annex 1102 2:30 p.m., Tuesday, September 28, 1999 PDE's, eigenvalues, and geometry Seminar Joel Friedman, Department of Mathematics, UBC On an upper bound on Neumann Laplacian eigenvalues'' Room Math Annex 1102 This seminar talk has been cancelled (Tues Sept 28). 3:30 p.m., Wednesday, September 29, 1999 Algebra/Topology Seminar Jonathon Funk, Columbia College A problem of R.H. Fox solved'' Room Math Annex 1118 NOTE: This will be the regular time and meeting room for the seminar. 3:30 p.m., Wednesday, September 29, 1999 Probability Seminar Xiaowen Zhou, Department of Mathematics, UBC Identifiability of exchangeable sequences with identically distributed partial sums'' Room Math Annex 1102 2:30 p.m., Thursday, September 30, 1999 PIMS Distinguished Lecturer Series Israel Gohberg, Tel Aviv University Infinite Systems of Linear Equations'' Multimedia Theatre, University Services Bldg., 2329 West Mall, UBC Lecture will originate at the Univ. of Calgary and be videocast. 4:30 p.m., Thursday, September 30, 1999 PIMS-MITACS Mathematical Finance Seminar David Heath, Carnegie-Mellon University Futures-Based Term-Structure Models'' PIMS Seminar Rm 216, 1933 West Mall Annex (second floor) 12:30 p.m., Friday, October 1, 1999 Special Joint Seminar on Algebra and Topology Professor Alejandro Adem, University of Wisconsin Galois Groups and Group Cohomology'' Room Math Annex 1118 NOTE: Professor Adem will be speaking in the Cascade Topology Seminar on Saturday, October 2 as well. 3:30 p.m., Friday, October 1, 1999 Mathematics Colloquium Richard Melrose, Massachusetts Institute of Technology Determinants, bundles and Chern classes'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. Saturday & Sunday, October 2-3, 1999 Cascade Topology Seminar Sponsored by: Pacific Institute for the Mathematical Sciences (PIMS), Canada National Science Foundation, USA This meeting of the Cascade Topology Seminar will honor the mathematical contributions of Prof. Erhard Luft, recently retired from UBC. All talks will be in the seminar room of PIMS at 1933 West Mall (second floor) on the UBC campus. A web version of the schedule, with updates, will be available at the site: http://www.pims.math.ca 3:30 p.m., Monday, October 4, 1999 Applied Mathematics Colloquium Anne Condon, Department of Computer Science, UBC DNA Computing on Surfaces'' LSK Bldg., Room 301 2:30 p.m., Tuesday, October 5, 1999 PDE's, eigenvalues, and geometry Seminar Joel Friedman, Department of Mathematics, UBC On an upper bound on Neumann Laplacian eigenvalues, II'' Room Math Annex 1102 3:30 p.m., Wednesday, October 6, 1999 Probability Seminar George Stoica, Department of Mathematics, UBC Regularity of solutions of anticipative stochastic equations'' Room Math Annex 1102 2:30 p.m., Thursday, October 7, 1999 Algebra/Topology Seminar Akbar Rhemtulla, University of Alberta Right-ordered groups'' Room Math Annex 1118 OCT. 7TH - THIS COLLOQUIUM HAS BEEN POSTPONED, TO A LATER DATE, TBA. 3:30 p.m., Friday, October 8, 1999 Mathematics Colloquium Prof. Akbar Rhemtulla, Department of Mathematics, University of Alberta Residually Finite Groups'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 1:30 p.m., Tuesday, October 12, 1999 Number Theory Seminar Nathan Ng, Department of Mathematics, UBC Some applications of Chebotarev's density theorem'' Room Math Annex 1102 2:30 p.m., Tuesday, October 12, 1999 PDE's, eigenvalues, and geometry Seminar Jingyi Chen, Department of Mathematics, UBC Lagrangian submanifolds and vector bundles in the mirror symmetry'' Room Math Annex 1102 3:30 p.m., Wednesday, October 13, 1999 Probability Seminar George Stoica, Department of Mathematics, UBC Large and moderate deviations principle'' Room Math Annex 1102 1:30 p.m., Tuesday, October 19, 1999 Number Theory Seminar Nathan Ng, Department of Mathematics, UBC Applications of the Chebotarev Density Theorem, II'' Room Math Annex 1102 2:30 p.m., Tuesday, October 19, 1999 PDE's, eigenvalues, and geometry Seminar Jingyi Chen, Department of Mathematics, UBC Special Lagrangian submanifolds and adiabatic limit'' Room Math Annex 1102 3:30 p.m., Wednesday, October 20, 1999 Probability Seminar Siva Athreya, Department of Mathematics, UBC The duality method for various martingale problems'' Room Math Annex 1102 3:00 p.m., Thursday, October 21, 1999 Mathematical Physics/PDE Seminar Stan Alama, McMaster University Vortex structures for a Ginzburg-Landau model of high-T_c superconductivity and antiferromagnetism'' Room Math Annex 1118 3:30 p.m., Friday, October 22, 1999 Mathematics Colloquium Stan Alama, Department of Mathematics and Statistics, McMaster University Adventures with the mountain pass theorem: existence, multiplicity, uniqueness'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 3:30 p.m., Monday, October 25, 1999 Joint IAM-PIMS Distinguished Colloquium Bassam Bamieh, Mechanical and Environmental Engineering, Univ. of California, Santa Barbara Transition to Turbulence in Wall Bounded Shear Flows; The Role of Uncertainty'' LSK Bldg., Room 301 1:30 p.m., Tuesday, October 26, 1999 Number Theory Seminar Nike Vatsal, Department of Mathematics, UBC Heights and Special Values'' Room Math Annex 1102 2:30 p.m., Tuesday, October 26, 1999 PDE's, eigenvalues, and geometry Seminar Richard Froese, Department of Mathematics, UBC Realizing constraints in classical and quantum mechanics'' Room Math Annex 1102 4:30 p.m., Tuesday, October 26, 1999 PIMS-MITACS Mathematical Finance Seminar Ioannis Karatzas, Columbia University Probabilistic Aspects of Finance'' PIMS seminar room, Rm 216, 1933 West Mall Annex (second floor) 10:30 a.m., Thursday, October 28, 1999 Math Biology Seminar Les Loew, Director, Center for Biomedical Imaging Technology, Univ. of Connecticut Health Center The Virtual Cell Project'' Room Chemistry 126 4:30 p.m., Thursday, October 28, 1999 PIMS-MITACS Mathematical Finance Seminar Ali Lari-Lavassani, University of Calgary A Methodology for Pricing Swing Options'' PIMS seminar room, Rm 216, 1933 West Mall Annex (second floor) 9:30 a.m., Friday, October 29, 1999 PIMS-MITACS Mathematical Finance Seminars Speaker: Tony Ware, University of Calgary Efficient Numerical Algorithms for Pricing European Portfolio Options'' Room Math Annex 1118 10:30 a.m. Speaker: Robert Stamicar, Mathematics, UBC Evaluation of a zero/par swap derivative" Room Math Annex 1118 11:30 a.m. Speaker: George Stoica, Mathematics, UBC Mathematical Tools for Jump Models in Electricity Prices" Room Math Annex 1102 3:30 p.m., Friday, October 29, 1999 Mathematics Colloquium Lia Bronsard, Department of Mathematics and Statistics, McMaster University Geometrical flows of phase boundaries and Ginzburg-Landau systems'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 3:30 p.m., Monday, November 1, 1999 Applied Mathematics Colloquium Lia Bronsard, Department of Mathematics and Statistics, McMaster University Vortex lattices for the Lawrence-Doniach model of layered superconductors in a parallel magnetic field'' LSK Bldg., Room 301 1:30 p.m., Tuesday, November 2, 1999 Number Theory Seminar Nike Vatsal, Department of Mathematics, UBC Heights and Special Values, mod p'' Room Math Annex 1102 2:30 p.m., Tuesday, November 2, 1999 PDE's, eigenvalues, and geometry Seminar Richard Froese, Department of Mathematics, UBC Realizing constraints in classical and quantum mechanics, II'' Room Math Annex 1102 3:30 p.m., Friday, November 5, 1999 Mathematics Colloquium Peter Li, Department of Mathematics, University of California, Irvine Sharp Asymptotic Bounds on the Dimensions of Harmonic Functions'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 1:30 p.m., Tuesday, November 9, 1999 Number Theory Seminar Kevin Hare, Department of Mathematics and Statistics, SFU Some computations on Pisot numbers'' Room Math Annex 1102 12:30 p.m., Wednesday, November 10, 1999 Special IAM Seminar David Muraki, Courant Institute for the Mathematical Sciences and the Department of Mathematics, NYU Vortex Asymmetries in the Midlatitude Atmosphere'' Room Math 229 3:30 p.m., Wednesday, November 10, 1999 Probability Seminar Siva Athreya, Department of Mathematics, UBC A duality calculation for a class of singular stochastic pde's and stochastic de's'' Room Math Annex 1102 2:30 p.m., Tuesday, November 16, 1999 PDE's, eigenvalues, and geometry Seminar Siva Athreya, Department of Mathematics, UBC On a Singular Boundary Value Problem and the Boundary Harnack Principle'' Room Math Annex 1102 4:30 p.m., Tuesday, November 16, 1999 PIMS-MITACS Mathematical Finance Seminar Nikolai Dokuchaev, The Institute of Mathematics and Mechanics, St. Petersburg State University Investment problem for stochastic market models with unknown parameters'' PIMS Seminar Room 216, 1933 West Mall Annex (second floor) 3:30 p.m., Wednesday, November 17, 1999 Mathematical-Biology IAM Colloquium Joanna Masel, Department of Zoology, Oxford University, UK The kinetics of prion replication by nucleated polymerisation'' LSK Bldg, Room 301 3:30 p.m., Friday, November 19, 1999 Mathematics Colloquium Jingyi Chen, Department of Mathematics, UBC Holomorphic bundles and Lagrangian submanifolds in mirror symmetry'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115. 3:30 p.m., Monday, November 22, 1999 Joint IAM-PIMS Distinguished Colloquium Tom Hou, Applied Mathematics, CALTECH Multiscale Finite Element Computations for Flow and Transport in Strongly Heterogeneous Porous Media'' LSK Bldg, Room 301 4:30 p.m., Thursday, November 25, 1999 PIMS-MITACS Mathematical Finance Seminar John Chadam, University of Pittsburgh The Early Exercise Boundary for American Put Options: Analytic and Numerical Approximations'' PIMS Seminar Room 216, 1933 West Mall Annex (second floor) 3:30 p.m., Friday, November 26, 1999 Mathematics Colloquium **CANCELLED** John Chadam, Department of Mathematics, University of Pittsburgh A Mathematical Model of Bioremediation in a Porous Medium'' Room Math 100 Refreshments will be served at 3:15 in the Math Annex Coffee Lounge, Room 1115.