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math.QA2024
Approximation of graded bialgebras
Giovanna Carnovale, Francesco Esposito, Lleonard Rubio y Degrassi
Motivated by an equivalence of categories established by Kapranov and Schechtman, we introduce, for each non-negative integer d, the category of connected bialgebras modulo d+1. We…
math.RT2024
On the first relative Hochschild cohomology
Jonathan Lindell, Lleonard Rubio y Degrassi
In this paper we investigate the Lie algebra structure of the first relative Hochschild cohomology. Let be finite-dimensional basic -algebras over an algebraically closed…