Eigenvalues of almost periodic Schrödinger operators in \(L^ 2(b{\mathbb{R}})\) are at most double

DOI10.1007/BF00400371zbMath0729.35092OpenAlexW2075170419MaRDI QIDQ805907

Wojciech Chojnacki

Publication date: 1991

Published in: Letters in Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf00400371

zbMATH Keywords

multiplicitySchrödinger operatoralmost periodic potential

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) Schrödinger operator, Schrödinger equation (35J10)

Related Items (4)

Instanton solutions on the polymer harmonic oscillator ⋮ Finite difference approximation of almost periodic schrödinger operators ⋮ A generalized spectral duality theorem ⋮ On the completeness of eigenelements of periodic elliptic operators in Besicovitch space \(B^ 2({\mathbb{R}}^ n)\)

Cites Work

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• The spectrum of operators elliptic along the orbits of \({\mathbb{R}}^ n\) actions
• Ultrapowers of unbounded selfadjoint operators

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