Maximal closed subroot systems of real affine root systems
Rings and Algebras
2018-12-10 v4 Combinatorics
Abstract
We completely classify and give explicit descriptions of the maximal closed subroot systems of real affine root systems. As an application we describe a procedure to get the classification of all regular subalgebras of affine Kac Moody algebras in terms of their root systems.
Keywords
Cite
@article{arxiv.1707.07981,
title = {Maximal closed subroot systems of real affine root systems},
author = {Krishanu Roy and R. Venkatesh},
journal= {arXiv preprint arXiv:1707.07981},
year = {2018}
}