On form sums of positive operators

DOI10.1007/s10474-013-0299-7zbMath1313.47026OpenAlexW2084403620MaRDI QIDQ485535

Yong-Cai Geng, Sumit K. Garg

Publication date: 9 January 2015

Published in: Acta Mathematica Hungarica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10474-013-0299-7

zbMATH Keywords

closed rangepositive operatorMoore-Penrose pseudoinverseKrein-von Neumann extensiondomain characterizationform sumrange characterization

Mathematics Subject Classification ID

Linear symmetric and selfadjoint operators (unbounded) (47B25) Dilations, extensions, compressions of linear operators (47A20)

Related Items (2)

A Radon-Nikodym type theorem for forms ⋮ Lebesgue decomposition of contents via nonnegative forms

Cites Work

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• Generalized inverses. Theory and applications.
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• Operator extensions with closed range
• The operator theory of the pseudo-inverse. I: Bounded operators, II: Unbounded operators with arbitrary range
• On operator ranges
• On Closed Operators with Closed Range
• Extremal extensions for the sum of nonnegative selfadjoint relations
• Étude sur les variétés et les opérateurs de Julia, avec quelques applications

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