Cohomology of BiHom-Associative Trialgebras
Abstract
The paper concerns the cohomology of (multiplicative) BiHom-associative trialgebras. We first detail the correspondence between central extensions and second cohomology. This is followed by a general cohomology theory that unifies those of BiHom-associative algebras and associative trialgebras. Finally, we introduce one-parameter formal deformations and classify generalized αβ-derivations of 3-dimensional BiHom-associative trialgebras.
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