Non-selfadjoint perturbations of selfadjoint operators in 2 dimensions. I

DOI10.1007/s00023-004-0160-1zbMath1059.47056arXivmath/0302297OpenAlexW3102365861MaRDI QIDQ1879217

Michael Hitrik, Johannes Sjöstrand

Publication date: 22 September 2004

Published in: Annales Henri Poincaré (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0302297

zbMATH Keywords

\(h\)-pseudodifferential operatornon-selfadjoint perturbation

Mathematics Subject Classification ID

Applications of operator theory in the physical sciences (47N50) Asymptotic distributions of eigenvalues in context of PDEs (35P20) Boundary value problems for PDEs with pseudodifferential operators (35S15) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) Perturbation theories for operators and differential equations in quantum theory (81Q15) Pseudodifferential operators (47G30)

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