1. Complementary Schur complements
- Author
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V.E. Tsekanovskii, Harm Bart, and Erasmus School of Economics
- Subjects
Pure mathematics ,Numerical Analysis ,Algebra and Number Theory ,Schur's lemma ,Schur algebra ,Hermitian matrix ,Schur polynomial ,Schur's theorem ,Algebra ,Schur decomposition ,Schur complement ,Discrete Mathematics and Combinatorics ,Geometry and Topology ,Schur product theorem ,Mathematics - Abstract
For square matrices, the relationship is discussed between the notion of Schur complement and the (equivalent) concepts of matricial coupling and equivalence after extension. Special attention is paid to the Hermitian and skew-Hermitian cases.
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