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28 March 2024
 
  » arxiv » math.AG/0108069

 Article overview


A connectedness property of algebraic moment maps
Friedrich Knop ;
Date 9 Aug 2001
Journal J. Algebra 258 (2002), 122-136
Subject Algebraic Geometry; Representation Theory; Symplectic Geometry MSC-class: 14L10;53D20 | math.AG math.RT math.SG
AbstractLet a connected reductive group G act on the smooth connected variety X. The cotangent bundle of X is a Hamiltonian G-variety. We show that its "total moment map" has connected fibers. This is an expanded version of section 6 of my paper dg-ga/9712010 on Weyl groups of Hamiltonian manifolds.
Source arXiv, math.AG/0108069
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