Recasting results in equivariant geometry: affine cosets, observable subgroups and existence of good quotients

2010/10/10 by Jarod Alper, Alper, Jarod, Robert W. Easton +2
Mathematics · #14L24 #14L30 #Advanced Operator Algebra Research #Advanced Topics in Algebra #Algebraic Geometry (math.AG) #FOS: Mathematics #Geometric and Algebraic Topology #Homotopy and Cohomology in Algebraic Topology #math.AG #msc:14L24 #msc:14L30

paper · pdf · doi:10.48550/arxiv.1010.1976

openalex publication_date 2010/10/10 · arxiv created 2010/10/11 · arxiv updated 2010/10/12 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Using the language of stacks, we recast and generalize a selection of results in equivariant geometry.

Related

• Exercises in equivariant cohomology
• Lecture Notes on Equivariant Cohomology
• Introduction to Equivariant Cohomology in Algebraic Geometry (IMPANGA 2010)
• Exercises in equivariant cohomology and topological theories
• Equivariant Refinements