Expression for the number of eigenvalues of a Friedrichs model
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Publication:635537
DOI10.1134/S0001434607070097zbMath1219.81126OpenAlexW2064433034MaRDI QIDQ635537
Publication date: 20 August 2011
Published in: Mathematical Notes (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1134/s0001434607070097
selfadjoint operatorFriedrichs modellacunaasymptotics for the number of eigenvaluesessential spectrum of an operatorWeyl's inequality
Applications of operator theory in the physical sciences (47N50) Linear symmetric and selfadjoint operators (unbounded) (47B25) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10)
Related Items (4)
Asymptotics of the number of eigenvalues of one-term second-order operator equations ⋮ Conditions for the existence of eigenvalues of a three-particle lattice model Hamiltonian ⋮ Formula for the number of eigenvalues of a three-particle Schrödinger operator on a lattice ⋮ An eigenvalue multiplicity formula for the Schur complement of a \(3\times3\) block operator matrix
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