English

Subgroups of simple algebraic groups containing regular tori, and irreducible representations with multiplicity 1 non-zero weights

Group Theory 2014-03-07 v1

Abstract

Our main goal is to determine, under certain restrictions, the maximal closed connected subgroups of simple algebraic groups containing a regular torus. We call a torus regular if its centralizer is abelian. We also obtain some results of independent interest. In particular, we determine the irreducible representations of simple algebraic groups whose non-zero weights occur with multiplicity 1.

Keywords

Cite

@article{arxiv.1403.1387,
  title  = {Subgroups of simple algebraic groups containing regular tori, and irreducible representations with multiplicity 1 non-zero weights},
  author = {Donna Testerman and Alexandre Zalesski},
  journal= {arXiv preprint arXiv:1403.1387},
  year   = {2014}
}