scientific article; zbMATH DE number 942681
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Publication:4714577
zbMath0863.47010MaRDI QIDQ4714577
Zoltán Sebestyén, Vilmos Prokaj
Publication date: 20 May 1997
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
largest positive selfadjoint extensionsmallest positive selfadjoint extension of a positive linear map
Linear symmetric and selfadjoint operators (unbounded) (47B25) Dilations, extensions, compressions of linear operators (47A20)
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Operator extensions with closed range ⋮ Extremal maximal sectorial extensions of sectorial relations ⋮ \(T^*T\) always has a positive selfadjoint extension ⋮ Reduction of positive self-adjoint extensions ⋮ A factorization of extremal extensions with applications to block operator matrices ⋮ A non-hyponormal operator generating Stieltjes moment sequences ⋮ Positive symmetric quotients and their selfadjoint extensions ⋮ On products of nonnegative linear operators and relations ⋮ On a Kreĭn Criterion ⋮ Factorized sectorial relations, their maximal-sectorial extensions, and form sums ⋮ The complex moment problem and subnormality: A polar decomposition approach ⋮ On suboperators with codimension one domains ⋮ Characterizations of positive selfadjoint extensions
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