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Moduli spaces of flat connections on 2-manifolds, cobordism, and Witten's volume formulas

Eckhard Meinrenken, Chris Woodward

dg-gaarXiv:dg-ga/9707018

Abstract

We discuss Witten's formulas for the symplectic volumes of moduli spaces of flat connections on 2-manifolds from the viewpoint of Hamiltonian cobordism as introduced by Ginzburg-Guillemin-Karshon.

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