Heisenberg Algebras, Grassmannians and Isospectral Curves.- Coadjoint Orbits, Spectral Curves and Darboux Coordinates.- Hamiltonian Systems on the Jacobi Varieties.- A Universal Reduction Procedure for Hamiltonian Group Actions.- Linear Stability of a Periodic Orbit in the System of Falling Balls.- Birth and Death of Invariant Tori for Hamiltonian Systems.- Dynamical Aspects of the Bidiagonal Singular Value Decomposition.- The Rhombodial Four Body Problem. Global Flow on the Total Collision Manifold.- Toward a Topological Classification of Integrable PDE's.- Topological Classification of All Integrable Hamiltonian Differential Equations of General Type With Two Degrees of Freedom.- Monotone Maps of Tn× Rn and Their Periodic Orbits.- A Lower Bound for the Number of Fixed Points of Orientation Reversing Homeomorphisms.- Invariant Tori and Cylinders for a Class of Perturbed Hamiltonian Systems.- Modified Structures Associated with Poisson Lie Groups.- Optimal Control of Deformable Bodies and Its Relation to Gauge Theory.- The Augmented Divisor and Isospectral Pairs.- Symplectic Numerical Integration of Hamiltonian Systems.- Connections Between Critical Points in the Collision Manifold of the Planar 3-Body Problem.- The Non-collision Singularities of the 5-Body Problem.
The papers in this volume are an outgrowth of the lectures and informal discussions that took place during the workshop on "The Geometry of Hamiltonian Systems" which was held at MSRl from June 5 to 16, 1989. It was, in some sense, the last major event of the year-long program on Symplectic Geometry and Mechanics. The emphasis of all the talks was on Hamiltonian dynamics and its relationship to several aspects of symplectic geometry and topology, mechanics, and dynamical systems in general. The organizers of the conference were R. Devaney (co-chairman), H. Flaschka (co-chairman), K. Meyer, and T. Ratiu. The entire meeting was built around two mini-courses of five lectures each and a series of two expository lectures. The first of the mini-courses was given by A. T. Fomenko, who presented the work of his group at Moscow University on the classification of integrable systems. The second mini course was given by J. Marsden of UC Berkeley, who spoke about several applications of symplectic and Poisson reduction to problems in stability, normal forms, and symmetric Hamiltonian bifurcation theory. Finally, the two expository talks were given by A. Fathi of the University of Florida who concentrated on the links between symplectic geometry, dynamical systems, and Teichmiiller theory.
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