English

The second cohomology of simple SL_2-modules

Representation Theory 2009-07-27 v2

Abstract

Let GG be the simple algebraic group SL2SL_2 defined over an algebraically closed field KK of characteristic p>0p>0. In this paper, we find the second cohomology of all irreducible representations of GG

Keywords

Cite

@article{arxiv.0904.0623,
  title  = {The second cohomology of simple SL_2-modules},
  author = {David I. Stewart},
  journal= {arXiv preprint arXiv:0904.0623},
  year   = {2009}
}

Comments

10 pages; version to appear in Proc-AMS

R2 v1 2026-06-21T12:47:59.973Z