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math.RT2018
Pullback diagrams, syzygy finite classes and Igusa-Todorov algebras
Diego Bravo, Marcelo Lanzilotta, Octavio Mendoza
For an abelian category , we define the category PEx() of pullback diagrams of short exact sequences in , as a subcategory of the functor cat…
math.RT2018
Gerstenhaber structure on Hochschild cohomology of toupie algebras
Dalia Artenstein, Marcelo Lanzilotta, Andrea Solotar
We study homological properties of a family of algebras called toupie algebras. Our main objective is to obtain the Gerstenhaber structure of their Hochschild cohomology, with the…