Some remarks on Ext groups
Representation Theory
2009-05-27 v2
Abstract
We calculate certain ext-groups between modules for a linear algebraic group. The results are in agreement with the Lusztig conjecture.
Cite
@article{arxiv.0905.4083,
title = {Some remarks on Ext groups},
author = {Steen Ryom-Hansen},
journal= {arXiv preprint arXiv:0905.4083},
year = {2009}
}
Comments
Appendix to "On the good filtration dimension of Weyl modules for a linear algebraic group" by A.E. Parker, arXiv:math/0507552; in J. reine angew. Math, 2003