On a minimax principle in spectral gaps
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Publication:6346590
DOI10.1007/S11785-022-01209-8zbMath1522.47033arXiv2008.02489MaRDI QIDQ6346590
Publication date: 6 August 2020
Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) Eigenvalue problems for linear operators (47A75)
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