Universal central extensions of twisted forms of split simple Lie algebras over rings
Algebraic Geometry
2010-11-23 v2 Rings and Algebras
Abstract
We give sufficient conditions for the descent construction to be the universal central extension of a twisted form of a split simple Lie algebra over a ring. In particular, the universal central extensions of twisted multiloop Lie tori are obtained by the descent construction.
Keywords
Cite
@article{arxiv.1011.4086,
title = {Universal central extensions of twisted forms of split simple Lie algebras over rings},
author = {Jie Sun},
journal= {arXiv preprint arXiv:1011.4086},
year = {2010}
}