Let G be an arbitrary finite abelian group. We describe all possible G-gradings on upper block triangular matrix algebras over an algebraically closed field of characteristic zero.
Valenti, A., Zaicev, M. (2012). Abelian Gradings on Upper Block Triangular Matrices. CANADIAN MATHEMATICAL BULLETIN, Vol. 55 (1),(Vol. 55 (1)), 208-213.
Abelian Gradings on Upper Block Triangular Matrices
VALENTI, Angela;
2012-01-01
Abstract
Let G be an arbitrary finite abelian group. We describe all possible G-gradings on upper block triangular matrix algebras over an algebraically closed field of characteristic zero.
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