On the Norm of Idempotent Operators in a Hilbert Space
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Publication:2757508
DOI10.2307/2695474zbMath0993.47009OpenAlexW4250108319MaRDI QIDQ2757508
Publication date: 26 November 2001
Published in: The American Mathematical Monthly (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2307/2695474
Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Norms (inequalities, more than one norm, etc.) of linear operators (47A30)
Related Items (11)
On the norm of idempotents in \(C^*\)-algebras ⋮ The difference and sum of projectors ⋮ Invertibility of the Sum of Idempotents ⋮ Characterizations and representations of the Drazin inverse involving idempotents ⋮ Invertibility of the Difference of Idempotents ⋮ The many proofs of an identity on the norm of oblique projections ⋮ Unbounded or bounded idempotent operators in Hilbert space ⋮ On invertibility of combinations of \(k\)-potent operators ⋮ Perturbations of direct complements in Hilbert spaces ⋮ On angles and distances between subspaces ⋮ Range projections and the Moore–Penrose inverse in rings with involution
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