3 papers
math.RT2025
The Green ring of a restricted enveloping algebra in characteristic 2
Nicolás Andruskiewitsch, Dirceu Bagio, Saradia Della Flora +1
Let be an algebraically closed field of characteristic and let be the unique, up to isomorphism, -dimensional simple Lie algebra over . De…
math.RA2025
Partial Hopf actions on generalized matrix algebras
Dirceu Bagio, Eliezer Batista, Hector Pinedo
Let be a field, a Hopf algebra over , and a generalized matrix algebra. In this work, we establish necessary and sufficient con…
math.QA2024
Liftings of Nichols algebras of type
Dirceu Bagio, G. A. GarcÃa, O. Márquez
We give an explicit presentation of a family of finite-dimensional pointed Hopf algebras over an algebraically closed field of characteristic zero that constitute all liftings of N…