SPRING 1998 For the following seminars, unless otherwise stated the hour is 11:00, the room is RLM 12.166, and it is a Mathematical Physics Seminar Wednesday, Jan 28: Lorenzo Sadun Growth rates in the quaquaversal tiling Wednesday, Feb 4: Nic Ormes Symbolic Dynamics and Spectra for Nonnegative Matrices Wednesday, Feb 11: Carlo Cercignani (Politecnico di Milano) Steady Solutions of the Boltzmann Equation. Friday, Feb 20: Ian Putnam (Univ Victoria) Invariants for substitution tilings from topology and C*algebras Monday, Feb 23: (Nonlinear Dynamics Seminar) 1 pm RLM 11.204 Dwight Barkley, Mathematics Institute, University of Warwick Computations, bifurcations, and explanations for open fluid flows Monday, Feb 23 (Colloquium) 4:00pm RLM 6.104 Carlo Cercignani, Politecnico di Milano "Ludwig Boltzmann: the man who trusted atoms" Wednesday, Feb 25: R. de la Llave Orbits with unbounded energy in mechanical systems Wednesday, Feb 25; (Nonlinear Dynamics Seminar) 1 pm RLM 11.204 Laurette Tuckerman, LIMSI, Orsay, France Binary convection as a 2 x 2 matrix problem Wednesday, Feb 25; (Analysis seminar) 1 pm RLM 10.176 Carlo Cercignani, Politecnico di Milano "Initial boundary value problem for the Boltzmann equation" Friday, Feb 27: Claudio Albanese, University of Toronto 11:00 Computational Finance Seminar, Taylor 2.316M "Beyond the normal approximation for market and credit risk: Bayesian, coherent, sub-modular and regret measures" 1:00 Analysis Seminar, RLM 11.176: Andrea Bertozzi, Duke University "Existence, saturation, and numerical methods for lubrication-type equation" 4:00 Computational and Applied Mathematics, RLM 12.166: Dwight Barkley, Univ. of Warwick and I.M.A. "Simulations of waves in 3-D excitable media" Monday, Mar 2: Weinan E (Courant) Pattern formation in liquid crystal phase transition Nonlinear Dynamics, RLM 11.204 at 1:00 Wednesday, Mar 4: Victor Yudovich (Rostov State Univ) "Dynamical systems with cosymmetries and applications to fluid mechanics" 1:00 Analysis Seminar, RLM 10.176 Wednesday, Mar 11: Victor Yudovich (Rostov State Univ) Variational problems on sets of equimeasurable functions. Applications to fluid dynamics Wednesday, March 25: R. de la Llave Center and slow manifolds Monday, March 30: Nic Ormes Real coboundaries for minimal Cantor systems 3:00 Dynamics Seminar, RLM 9.166 Wednesday, Apr 1: Mark Raizen (Physics, UT) Quantum Transport of an Atomic Accelerator Wednesday, Apr 8: Michael Rudnev A simple model for a double resonance Monday, April 13: Norbert J. Mauser From the Dirac equation to Pauli Schr\"odinger and Vlasov equations Joint Analysis/Mathematical Physics RLM 11.176, 1 pm. Wednesday, Apr 15: James Yorke (Maryland) A problem from Plato's Republic: The theory behind chaos experiments Wednesday, Apr 22: Robert Wyatt (Chemistry, UT) Quantum dynamics of molecular energy transfer Monday, Apr 27: Robert McCann (Brown) Exact solutions to the transportation problem on the line Wednesday, April 29: Fred Weissler, University of Paris XIII The nonlinear Schrodinger equation: self-similar solutions and scattering theory Wednesday, May 13: Jacek Miekisz (Warsaw) Frustrated tilings