paper

O_e(G) is a free module over O(G)

arXiv:math/0007179

Abstract

We show that the quantised function algebra O_e(G) of a simply-connected semisimple algebraic group G at a root of unity is a free module over the subring isomorphic to O(G).

3 pages

O_e(G) is a free module over O(G) · wovepaper