Block-triangularizations of partitioned matrices under similarity/equivalence transformations. (English) Zbl 0811.15008
A block triangularization technique via similarity and equivalence is discussed which operates for fixed given block partitioning. The resulting technique includes the Jordan decomposition and the Dulmage/Mendelsohn decomposition [cf. A. L. Dulmage and N. S. Mendelsohn, Trans. Roy. Soc. Canada, Sect. III, Ser. 53, 1-3 (1959; Zbl 0091.375)].
Reviewer: V.Mehrmann (Chemnitz)