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math.SG2001
Symplectic implosion
Victor Guillemin, Lisa Jeffrey, Reyer Sjamaar
Let be a compact Lie group. We introduce the process of symplectic implosion, which associates to every Hamiltonian -manifold a stratified space called the imploded cross-se…
math.AG2001
Cohomology pairings on singular quotients in geometric invariant theory
Lisa C. Jeffrey, Young-Hoon Kiem, Frances Kirwan +1
In this paper we shall give formulas for the pairings of intersection cohomology classes of complementary dimensions in the intersection cohomology of geometric invariant theoretic…