Moment graphs and sheaves on moment graphs are basically combinatorial objects that have be used to describe equivariant intersectiion cohomology. In these lectures we are going to show that they can be used to provide a direct link from this cohomology to the representation theory of simple Lie algebras and of simple algebraic groups. The first section contains some background on equivariant cohomology.
Original language
English
Title of host publication
Geometric methods in representation theory, I
Editors
M. Brion
Number of pages
93
Publisher
Société Mathématique de France
Publication year
2012
Pages
249-341
ISBN (print)
978-2-85629-356-0
Publication status
Published - 2012
Event
Summer School on Geometric Methods in Representation Theory - Grenoble, France Duration: 16 Jun 2008 → 3 Jul 2008
Conference
Conference
Summer School on Geometric Methods in Representation Theory