Essential spectrum of perturbed pseudodifferential operators. Applications to the Schrödinger, Klein-Gordon, and Dirac operators
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Publication:820284
zbMath1153.47042MaRDI QIDQ820284
Publication date: 6 April 2006
Published in: Russian Journal of Mathematical Physics (Search for Journal in Brave)
Pseudodifferential operators as generalizations of partial differential operators (35S05) General topics in linear spectral theory for PDEs (35P05) Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) Schrödinger operator, Schrödinger equation (35J10) Pseudodifferential operators (47G30)
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