Quasi-Lie, hom-Lie and color Lie algebras and related Hom-algebraic
Quasi-Lie, hom-Lie and color Lie algebras and related. Hom-algebraic structures. Sergei SILVESTROV. Lund, Sweden. October 9, 2009. Abstract. Recent flow of ...
Quasi-Lie, hom-Lie and color Lie algebras and related Hom-algebraic structures Sergei SILVESTROV Lund, Sweden
October 9, 2009
Abstract Recent flow of works on Hom-algebra structures have been originated in the works by the author and his students introducing Quasi-Lie algebras encompassing in a natural way Lie superalgebras, color Lie algebras and a new class, of Hom-Lie algebras. Motivating examples included also various algebras of discrete and twisted vector fields arising from q-deformed vertex operators structures and q-deferential calculus, and various classes of multiparameter deformations of associative and non-associative algebras appearing in other contexts in Mathematics, Mathematical Physics and Engineering. Among examples arising within quasi-Lie algebras framework are known and new one-parameter and multi-parameter deformations of infinite-dimensional Lie algebras of Witt and Virasoro type some of which appear in the context of conformal field theory, string theory and deformed vertex models, multi-parameter families of quadratic and almost quadratic algebras that include for natural special “limiting” choices of parameters algebras appearing in non-commutative algebraic geometry, as well as universal enveloping algebras of Lie algebras, Lie superalgebras and color Lie algebras. Common unifying feature for all these algebras is appearance of some twisted generalizations of Jacoby identities providing new structures of interest for investigation from the side of non-associative algebras, generalizations of associative algebras, generalizations of Hopf algebras, non-commutative differential calculi, generalized central extensions and generalizations of homological algebra. In this talk, I will provide a review on the Hom-algebra structures, hom-Lie algebras and quasiLie algebras. I will also describe some related n-ary Hom-algebra generalizations of Nambu algebras, Nambu-Lie algebras, associative algebras and Lie algebras.
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