info:eu-repo/semantics/article

Generalized Schur complements and oblique projections

Date
2002-01
Registration in:
Corach, Gustavo; Maestripieri, Alejandra Laura; Stojanoff, Demetrio; Generalized Schur complements and oblique projections; Elsevier Science Inc; Linear Algebra and its Applications; 341; 1-3; 1-2002; 259-272
0024-3795
CONICET Digital
CONICET
Author
Corach, Gustavo
Maestripieri, Alejandra Laura
Stojanoff, Demetrio
Institutions
Abstract
Let S be a closed subspace of a Hilbert space H and A a bounded linear selfadjoint operator on H. In this note, we show that the existence of A -selfadjoint projections with range S is related to some properties of shorted operators, Schur complements (in Ando's generalization of the classical concept) and compressions.
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