scientific article; zbMATH DE number 523061
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Publication:4284368
zbMath0795.47008MaRDI QIDQ4284368
Hassi, Seppo, Kenneth Nordström
Publication date: 14 September 1994
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
indefinite inner product spacespositive invertible operators\(J\)-bicontractivity of \(J\) contractions in a Krejn space
Linear operator inequalities (47A63) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05) Linear operators on spaces with an indefinite metric (47B50)
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Antitonicity of the inverse for selfadjoint matrices, operators, and relations ⋮ Convexity of the inverse and Moore-Penrose inverse ⋮ Matrix monotonicity and concavity of the principal pivot transform ⋮ Unnamed Item ⋮ Limit properties of monotone matrix functions ⋮ Löwner inequality of indefinite type ⋮ Completion, extension, factorization, and lifting of operators
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