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Publication:3687284
zbMath0569.47044MaRDI QIDQ3687284
Publication date: 1985
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perturbation theoryessential spectrumdeficiency indicesselfadjoint extensionsdecomposition principleDirac-operators with several Coulomb-singularitiesessential spectral kernelspectral theory for generalized Dirac-operators with several singularities
General topics in linear spectral theory for PDEs (35P05) Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) General theory of partial differential operators (47F05)
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Decoupling of deficiency indices and applications to Schrödinger-type operators with possibly strongly singular potentials ⋮ Tosio Kato's work on non-relativistic quantum mechanics. I ⋮ Dirac-Coulomb operators with general charge distribution. I: Distinguished extension and min-max formulas ⋮ Tosio Kato’s work on non-relativistic quantum mechanics, Part 2
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