On self-extensions of irreducible modules over symmetric groups, II
Representation Theory
2025-05-27 v1
Abstract
It is conjectured that irreducible representations of symmetric groups have no non-trivial self-extension over fields of odd characteristic. We improve on partial results showing evidence of this conjecture.
Keywords
Cite
@article{arxiv.2505.18316,
title = {On self-extensions of irreducible modules over symmetric groups, II},
author = {Lucia Morotti},
journal= {arXiv preprint arXiv:2505.18316},
year = {2025}
}