On the closure of the sum of closed subspaces

DOI10.1155/S0161171201005324zbMath1007.46026OpenAlexW2050608218MaRDI QIDQ5954784

Sze-Kai Tsui, Robert L. Smith, Irwin E. Schochetman

Publication date: 14 March 2003

Published in: International Journal of Mathematics and Mathematical Sciences (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/49833

zbMATH Keywords

quadratic programmingHilbert spaceoptimal solutionsum of closed subspaces

Mathematics Subject Classification ID

Quadratic programming (90C20) Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05)

Related Items (8)

Convergence of minimum norm elements of projections and intersections of nested affine spaces in Hilbert space ⋮ Dirac geometry of the holonomy fibration ⋮ On the closedness of the sum of ranges of operators \(A_k\) with almost compact products \(A_i^\ast A_j\) ⋮ Weyl families of transformed boundary pairs ⋮ Products of square-zero operators ⋮ On closedness of the sum of \(n\) subspaces of a Hilbert space ⋮ Sums of commuting square-zero transformations ⋮ The chiral anomaly of the free fermion in functorial field theory

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