Equivariant D-modules
arXiv:math/9805021
Abstract
The first part of these notes is devoted to an introduction to algebraic -modules. Several basic notions are introduced. In the second part, -modules with group action are treated. Several important examples in this situation are discussed in details. Particularly, the Harish-Chandra systems for group characters and the Gelfand generalized hypergeometric systems are our main topics.
36 pages