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The Feshbach-Schur map and perturbation theory - MaRDI portal

The Feshbach-Schur map and perturbation theory

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Publication:6366892

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DOI10.4171/ECR/18-1/5arXiv2105.02058MaRDI QIDQ6366892

Israel Michael Sigal, Geneviève Dusson, Benjamin Stamm

Publication date: 5 May 2021

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) Perturbation theory of linear operators (47A55) Eigenvalue problems for linear operators (47A75) Schrödinger operator, Schrödinger equation (35J10) Perturbation theories for operators and differential equations in quantum theory (81Q15)

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