2 papers
math.RA2020
Superinvolutions on block-triangular matrix algebras
Laise Dias, Diogo Diniz, Alex Ramos
In this paper we classify, up to isomorphism, the superinvolutions on algebras of upper block-triangular matrices over an algebraically closed field of characteristic different fro…
math.RA2018
Graded Identities and Isomorphisms on Algebras of Upper Block-Triangular Matrices
Alex Ramos, Diogo Diniz
Let be an abelian group and an algebraically closed field of characteristic zero. A. Valenti and M. Zaicev described the -gradings on upper block-triangular mat…