scientific article; zbMATH DE number 1552006

zbMath0967.81019arXivmath-ph/9809016MaRDI QIDQ4524211

Reinhard Mennicken, Alexander K. Motovilov

Publication date: 15 January 2001

Full work available at URL: https://arxiv.org/abs/math-ph/9809016

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zbMATH Keywords

transfer functionanalytic continuationnon-selfadjoint operatorsenergy Riemann surfaceunphysical sheetscompleteness and basis properties for the root vectors

Mathematics Subject Classification ID

Applications of operator theory in the physical sciences (47N50) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) Quantum scattering theory (81U99)

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Friedrichs extension and essential spectrum of systems of differential operators of mixed order ⋮ On invariant graph subspaces of a \(J\)-self-adjoint operator in the Feshbach case

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