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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… Click to show full 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 extension of an associative algebra.
Keywords:
extensions associative;
approach abelian;
abelian extensions;
algebraic approach;
associative algebras;
lie algebraic
Journal Title: Canadian Mathematical Bulletin
Year Published: 2020
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Journal Title: Canadian Mathematical Bulletin
Year Published: 2020
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!