Derivations of certain algebras defined by étale descent
Identifieur interne : 001611 ( Istex/Corpus ); précédent : 001610; suivant : 001612Derivations of certain algebras defined by étale descent
Auteurs : Arturo PianzolaSource :
- Mathematische Zeitschrift [ 0025-5874 ] ; 2010-03-01.
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Abstract
Abstract: We give an explicit description of the Lie algebra of derivations for a class of infinite dimensional algebras which are given by étale descent. The algebras under consideration are twisted forms of central algebras over rings, and include the multiloop algebras that appear in the construction of extended affine Lie algebras.
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DOI: 10.1007/s00209-009-0473-3
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