The \(\operatorname{Tan}2\Theta \) theorem for indefinite quadratic forms

DOI10.4171/JST/38zbMath1279.47027arXiv1006.3190OpenAlexW2088026704MaRDI QIDQ1943725

Konstantin A. Makarov, Vadim Kostrykin, Luka Grubišić, Krešimir Veselić

Publication date: 20 March 2013

Published in: Journal of Spectral Theory (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1006.3190

zbMATH Keywords

perturbation theoryquadratic formsinvariant subspaces

Mathematics Subject Classification ID

General spectral theory of ordinary differential operators (34L05) Perturbation theory of linear operators (47A55) Forms (bilinear, sesquilinear, multilinear) (47A07)

Related Items (5)

The a priori \(\tan \Theta\) theorem for spectral subspaces ⋮ Maximal \(L^p\)-regularity and \(H^\infty\)-calculus for block operator matrices and applications ⋮ Diagonalization of indefinite saddle point forms ⋮ On invariant graph subspaces ⋮ On a minimax principle in spectral gaps

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