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

Published 17 Nov 2010 in math.AG and math.RA | (1011.4086v2)

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.

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Authors (1)

Jie Sun

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