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Mathematics Colloquium EVENT DETAIL Date:  Tuesday, March 11, 2008 Title:  Gromov--Witten invariants and Hamiltonian dynamics Abstract:  We will describe some recently discovered relations between the properties of the quantum cohomology ring QH of a symplectic manifold and its group Ham of Hamiltonian symplectomorphisms. The main tool is the Seidel representation of the fundamental group of Ham in the group of units of QH. The talk will be aimed at a general audience. Speaker:  Dusa McDuff Institution:  SUNY Stony Brook   Back to current Colloquium List Back to UM Math seminars page .