Universal central extensions of twisted forms of split simple Lie algebras over rings

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.

References in corpus (1)

• Descent constructions for central extensions of infinite dimensional Lie algebras

Cited by in corpus (1)

• Drinfeld type presentations of loop algebras