English

On the restricted projective objects in the affine category O at the critical level

Representation Theory 2015-08-27 v1

Abstract

This article gives both an overview and supplements the articles [AF08] and [AF09] on the critical level category O over an affine Kac-Moody algebra. In particular, we study the restricted projective objects and review the restricted reciprocity and linkage principles.

Keywords

Cite

@article{arxiv.1103.1540,
  title  = {On the restricted projective objects in the affine category O at the critical level},
  author = {Peter Fiebig},
  journal= {arXiv preprint arXiv:1103.1540},
  year   = {2015}
}

Comments

20 pages, based on a talk at the conference "Representation Theory of Algebraic Groups and Quantum Groups '10" at the University of Nagoya