Convolution of almost characters
Representation Theory
2007-05-23 v1
Abstract
In this paper we show that the convolution product of "almost characters" of a connected reductive group over a finite field is given by "structure constants" whose leading coefficients can be interpreted in K-theoretic terms and in particular are natural numbers.
Cite
@article{arxiv.math/0311143,
title = {Convolution of almost characters},
author = {G. Lusztig},
journal= {arXiv preprint arXiv:math/0311143},
year = {2007}
}
Comments
5 pages