Degree estimate for subalgebras
Rings and Algebras
2010-10-19 v1
Abstract
Based on Bergman's Lemma on centralizers, we obtain a sharp lower degree bound for nonconstant elements in a subalgebra generated by two elements of a free associative algebra over an arbitrary field.
Cite
@article{arxiv.1010.3502,
title = {Degree estimate for subalgebras},
author = {Yunchang Li and Jie-Tai Yu},
journal= {arXiv preprint arXiv:1010.3502},
year = {2010}
}
Comments
10 pages