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math.RT2019
Lie structure on the Hochschild cohomology of a family of subalgebras of the Weyl algebra
Samuel A. Lopes, Andrea Solotar
For each nonzero , where is a field, let be the unital associative algebra generated by elements , satisfying the relation $yx-…
math.RT2019
The first Hochschild cohomology as a Lie algebra
Lleonard Rubio y Degrassi, Sibylle Schroll, Andrea Solotar
In this paper we study sufficient conditions for the solvability of the first Hochschild cohomology of a finite dimensional algebra as a Lie algebra in terms of its Ext-quiver in a…