On a Lie Algebraic Approach to Abelian Extensions of Associative Algebras
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DOI: 10.4153/s0008439520000193
Abstract: Abstract By using a representation of a Lie algebra on the second Hochschild cohomology group, we construct an obstruction class to extensibility of derivations and a short exact sequence of Wells type for an abelian… read more here.
Keywords: extensions associative; approach abelian; abelian extensions; algebraic approach ... See more keywords