English

The degree of the Hilbert-Poincar\'e polynomial of PBW-graded modules

Representation Theory 2014-10-31 v2 Combinatorics

Abstract

In this note, we study the Hilbert-Poincar\'e polynomials for the PBW-graded of simple modules for a simple complex Lie algebra. The computation of their degree can be reduced to modules of fundamental highest weight. We provide these degrees explicitly.

Keywords

Cite

@article{arxiv.1408.0901,
  title  = {The degree of the Hilbert-Poincar\'e polynomial of PBW-graded modules},
  author = {Teodor Backhaus and Lara Bossinger and Christian Desczyk and Ghislain Fourier},
  journal= {arXiv preprint arXiv:1408.0901},
  year   = {2014}
}

Comments

7 pages, updated references, improved exposition, journal version