Fall 1996

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 Sept 4: Rafael de la Llave
                  Interval exchange transformations and renormalization

Wednesday Sept 11: Hans Koch
                   A Renormalization Group for Hamiltonians, with Applications
                   to KAM Tori 

Thursday Sept 12: Karen Uhlenbeck
                  Geometric Partial Differential Equations: elliptic vs. hyperbolic
                  (Global Analysis and Differential Geometry Seminar, RLM 9.166 at 4:00)

Friday Sept 13: Jens Lorenz (New Mexico)
                Mathematical Analysis of Slightly Compressible Flows
                (CAM Seminar, RLM 12.166 at 4:30)

Monday Sept 16: Rafael de la Llave
                Invariant Circles for Non-twist maps and applications to hydrodynamics
                (Dynamics Seminar, RLM 10.176 at 3:00)

Wednesday Sept 18: Mohamed el Bialy 
                   Collision singularities in celestial mechanics

Wednesday Sept 25: Mohamed el Bialy 
                   Simultaneous binary collisions in celestial mechanics

Tuesday Oct 1: Lorenzo Sadun
               2-generator subgroups of SO(3)
               (GADGET Seminar, RLM 9.166 at 12:30)

Wednesday Oct 2: Charles Radin
                 An algebraic invariant for tiling dynamical systems

Wednesday Oct 9: Martin Speight
		Kink dynamics in discrete sine-Gordon systems

Wednesday Oct 16: Misha Vishik
                  Remarks on the 2D Euler equation

Friday Oct 18: P. Panayotaros
	       Hamiltonian formalism and numerical simulation of gravity waves
	       4:00 Computational and Applied Math. RLM 12.166

Monday Oct 21: R. de la Llave
               Spectrum of the action of diffeomorphisms on bundles 
	       with geometric structures
               3:00 Dynamical Systems Seminar, RLM 10.176

Friday Oct 25: Jan Wehr (Arizona)
               Front speed in randomly perturbed Burgers equations

Monday Oct 28: Bob Williams
               On Livsic's Periodic Point Theorem
               Dynamics Seminar, RLLM 10.176 at 3:00

Monday Oct 28: Philip Holmes, (Princeton)
               Constrained Euler buckling
               Introduction to Research, RLM 6.104 at 4:00
 
Friday Nov 8: Denis Kosygin (Princeton)
              Constructing ergodic standard maps

Monday Nov 11: A. Odlyzko (Bell Labs)
               Zeroes of the Riemann zeta function: conjectures and computations
	       Colloquium, 6.104 at 4:00

Monday Nov 11: Fred MacKintosh (Michigan)
	       Fluid Membranes: Physics in Two Curved Dimensions
	       Nonlinear Dynamics Seminar, 11.204 at 1:00

Friday Nov 15:  M.C. Jorge (IIMAS, UNAM)
		4:00 Computational and Applied Mathematics
	        (visiting from Nov 12 to Nov 20)

Friday Nov 15: Pavel Bleher (Indiana-Purdue at Indianapolis)
               Universality of the Local Distribution
               of Eigenvalues in the Matrix Model

Monday, Nov 18:  M. Herman Univ. of Paris 7
                 Hamiltonian dynamics and the ergodic hypothesis
                 4:00 Colloquium, RLM 6.104 (visiting Nov. 17--24)

Wednesday, Nov 20: M. Herman Univ. of Paris 7
                   Measure preserving diffeomorphisms of rings with no periodic orbits 
   	           and a partial generalization of a theorem of Denjoy and a theorem of 
	           Arnol'd and Moser
                   3:00 Special Dynamical Systems Seminar, RLM 10.176

Friday, Nov 22: M. Herman Univ. of Paris 7
                   Systems of a large number of particles moving under central forces, 
	           in particular, universal gravitation. Proof of a theorem of  Arnol'd
                   3:00 Special Dynamical systems, RLM 10.176

Monday, Nov. 25: D. DeLatte, Univ. of North Texas
                 Commuting analytic maps and linearizability
                 3:00 Dynamical Systems, RLM 10.176

Friday Dec 6: Leonid Bunimovich (Georgia Tech)
              Macrodynamics from the Deterministic Microdynamics

Monday Dec 9: A. Jorba (Univ. Polit. Catalunya)
              Dynamics near the translunar equilibrium point and applications
              3:00 TICAM/Dynamical Systems, TICAM (Large) seminar room