Matrices which commute with a given matrix upon a subspace Beitia, Maria Asunción Portugaliae mathematica
A nested multiplicative commutator equation Beitia, Maria Asunción; Cain, Bryan E.; Zaballa, Ion — 1988 Portugaliae mathematica
Matrices which commute with a given matrix upon a subspace. María Asunción Beitia — 1986 Extracta Mathematicae We study in this paper the problem of the n-square matrices X which commute with the given matrix A upon a vector subspace E of F.