Optimal normal projections in Krein spaces

DOI10.1016/j.laa.2015.10.015zbMath1348.46027OpenAlexW2174159595MaRDI QIDQ898791

Francisco Martínez Pería, Juan Ignacio Giribet, Alejandra L. Maestripieri

Publication date: 18 December 2015

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.laa.2015.10.015

zbMATH Keywords

Krein spacenormal projectionpseudo-regular subspace

Mathematics Subject Classification ID

Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Linear operators on spaces with an indefinite metric (47B50)

Related Items (2)

The pseudo-regularity of the range of orthogonal projections in Krein spaces ⋮ \(J\)-self-adjoint projections in Krein spaces

Cites Work

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• The many proofs of an identity on the norm of oblique projections
• Singular value estimates of oblique projections
• On the geometry of the unit ball of unitary matrix spaces
• Factorization results related to shifts in an indefinite metric
• Normal projections in Krein spaces
• On the geometry of normal projections in Krein spaces
• Solutions of the Matrix Equation $XAX = X$, and Relations between Oblique and Orthogonal Projectors
• Hilbert space idempotents and involutions
• Interpolation zwischen den Klassen 𝔖_p von Operatoren in Hilberträumen
• Maximum Properties and Inequalities for the Eigenvalues of Completely Continuous Operators

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