Approximation by partial isometries

DOI10.1017/S0013091500017624zbMath0573.47038MaRDI QIDQ3692337

Pei Yuan Wu

Publication date: 1986

Published in: Proceedings of the Edinburgh Mathematical Society (Search for Journal in Brave)

zbMATH Keywords

operator approximationisometriespartial isometriesapproximation problemcoisometries

Mathematics Subject Classification ID

Spaces of linear operators; topological tensor products; approximation properties (46A32) Approximation by positive operators (41A36) Linear spaces of operators (47L05)

Related Items (5)

Approximation by partial isometries and symmetric approximation of finite frames ⋮ Global symmetric approximation of frames ⋮ Approximation of matrices and a family of Gander methods for polar decomposition ⋮ Approximation of the polar factor of an operator acting on a Hilbert space ⋮ On a conjecture by Mbekhta about best approximation by polar factors

Cites Work

• Some Metric Inequalities in the Space of Matrices
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