Classes of idempotents in Hilbert space

DOI10.1007/s11785-016-0546-3zbMath1358.47002OpenAlexW2305465734MaRDI QIDQ317820

Esteban Andruchow

Publication date: 4 October 2016

Published in: Complex Analysis and Operator Theory (Search for Journal in Brave)

Full work available at URL: http://hdl.handle.net/11336/20211

zbMATH Keywords

projectionsidempotent operators

Mathematics Subject Classification ID

Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05)

Related Items (7)

The structures and decompositions of symmetries involving idempotents ⋮ Matrix representations of multivalued projections and least squares problems ⋮ Schmidt decomposable products of projections ⋮ General explicit descriptions for two classes of symmetries involving idempotents ⋮ Universal decomposition equalities for operator matrices in a Hilbert space ⋮ The minimal and maximal symmetries for \(J\)-contractive projections ⋮ Properties of two unitary operator functions involving idempotents

Cites Work

• Unnamed Item
• Unbounded or bounded idempotent operators in Hilbert space
• Operators which are the difference of two projections
• Pairs of projections: geodesics, Fredholm and compact pairs
• A gentle guide to the basics of two projections theory
• Loop groups and equations of KdV type
• The geometry of spaces of projections in \(C^*\)-algebras
• The index of a pair of projections
• On pairs of projections in a Hilbert space
• Algebras almost commuting with Clifford algebras
• Hilbert space idempotents and involutions
• Two Subspaces

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