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The Hochschild cohomology ring of monomial algebras
Dalia Artenstein, Janina C. Letz, Amrei Oswald +1
We give an explicit description of a diagonal map on the Bardzell resolution for any monomial algebra, and we use this diagonal map to describe the cup product on Hochschild cohomo…
math.RT2023
The Hochschild cohomology and the Tamarkin-Tsygan calculus of gentle algebras
Cristian Chaparro, Sibylle Schroll, Andrea Solotar +1
The Tamarkin Tsygan calculus of a finite dimensional algebra is a differential calculus given by the comprehensive data of the Hochschild cohomology, its structure both as a graded…