paper

A Residue Formula for SU(2)-valued Moment Maps

arXiv:math/9906093

Abstract

Jeffrey and Kirwan suggested expressions for intersection pairings on the reduced space of a Hamiltonian G-space in terms of multiple residues. In this paper we prove a residue formula for symplectic volumes of reduced spaces of a quasi-Hamiltonian SU(2)-space. The definition of quasi-Hamiltonian G-spaces was recently introduced by Alekseev, Malkin and Meinrenken.

8 pages, AMSLaTeX

A Residue Formula for SU(2)-valued Moment Maps · wovepaper