On an estimate in the subspace perturbation problem

DOI10.1007/s11854-018-0042-yOpenAlexW3099702316WikidataQ129500212 ScholiaQ129500212MaRDI QIDQ1661302

Albrecht Seelmann

Publication date: 16 August 2018

Published in: Journal d'Analyse Mathématique (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1310.4360

Mathematics Subject Classification ID

Operator theory (47-XX)

Related Items (5)

Unifying the treatment of indefinite and semidefinite perturbations in the subspace perturbation problem ⋮ Unique continuation and lifting of spectral band edges of Schrödinger operators on unbounded domains ⋮ New critical point theorem and infinitely many small-magnitude solutions of a nonlinear Iwatsuka model ⋮ Notes on the \(\sin 2\Theta\) theorem ⋮ Solvability of the operator Riccati equation in the Feshbach case

Cites Work

• Sharpening the norm bound in the subspace perturbation theory
• Notes on the \(\sin 2\Theta\) theorem
• The length metric on the set of orthogonal projections and new estimates in the subspace perturbation problem
• The rotation of eigenvectors by a perturbation
• Perturbation of spectra and spectral subspaces
• On a subspace perturbation problem
• The Rectifiable Metric on the Set of Closed Subspaces of Hilbert Space
• The Rotation of Eigenvectors by a Perturbation. III
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