English

Linear groups of alternating type containing non-scalar elements with all but one eigenvalues of multiplicity 1

Representation Theory 2025-09-09 v1 Group Theory

Abstract

We determine the irreducible representations of alternating and symmetric groups and their universal central extensions that contain a non-scalar element with all but one eigenvalues of multiplicity 1. The ground field is algebraically closed of arbitrary characteristic.

Keywords

Cite

@article{arxiv.2509.05770,
  title  = {Linear groups of alternating type containing non-scalar elements with all but one eigenvalues of multiplicity 1},
  author = {Alexandre Zalesski},
  journal= {arXiv preprint arXiv:2509.05770},
  year   = {2025}
}