Projections and idempotents with fixed diagonal and the homotopy problem for unit tight frames

DOI10.7153/oam-05-10zbMath1253.47003arXiv0906.0139OpenAlexW2061824969MaRDI QIDQ5390293

Julien Giol, Nga T. T. Nguyen, David R. Larson, James E. Tener, Leonid V. Kovalev

Publication date: 1 April 2011

Published in: Operators and Matrices (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0906.0139

zbMATH Keywords

idempotentprojectiondiagonalconnectedpavingnormalized tight frame

Mathematics Subject Classification ID

Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) General harmonic expansions, frames (42C15) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05) Nest algebras, CSL algebras (47L35)

Related Items (3)

Connectivity and Irreducibility of Algebraic Varieties of Finite Unit Norm Tight Frames ⋮ Symplectic geometry and connectivity of spaces of frames ⋮ Some results on fusion frames and g-frames

This page was built for publication: Projections and idempotents with fixed diagonal and the homotopy problem for unit tight frames