Operators and Matrices · Volume 15, Issue 3

Unifying the treatment of indefinite and semidefinite perturbations in the subspace perturbation problem

15-74 Pages 1181-1188 DOI 10.7153/oam-2021-15-74

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Authors

Albrecht Seelmann

Keywords

subspace perturbation problem spectral subspaces maximal angle between closed subspaces

Subject classes

47A55 47A15 47B15