Structure and classification of Hom-associative algebras
Keywords: Hom-associative algebra, simple Hom-associative algebra, classification, cohomology, irreducible component
The purpose of this paper is to study the structure and the algebraic varieties of Hom-associative algebras. We characterize multiplicative simple Hom-associative algebras and give some examples deforming the 2 × 2-matrix algebra to simple Hom-associative algebras. We provide a classification of n-dimensional Hom-associative algebras for n ≤ 3. Then we study irreducible components using deformation theory.
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