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Schur complements in C*‐algebras
Author(s) -
CvetkovićIlić Dragana S.,
Djordjević Dragan S.,
Rakočević Vladimir
Publication year - 2005
Publication title -
mathematische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 50
eISSN - 1522-2616
pISSN - 0025-584X
DOI - 10.1002/mana.200310273
Subject(s) - schur complement , mathematics , complement (music) , schur algebra , schur's theorem , algebra over a field , pure mathematics , schur product theorem , schur decomposition , chemistry , classical orthogonal polynomials , biochemistry , eigenvalues and eigenvectors , physics , gegenbauer polynomials , quantum mechanics , complementation , orthogonal polynomials , gene , phenotype
In this paper we introduce and study Schur complement of positive elements in a C *‐algebra and prove results on their extremal characterizations. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)