A Minimax Principle for the Eigenvalues in Spectral Gaps

DOI10.1112/S0024610799007930zbMath0651.34030OpenAlexW1987000597MaRDI QIDQ3796002

John Rossi

Publication date: 1987

Published in: Journal of the London Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1112/s0024610799007930

zbMATH Keywords

entire functionindependent solutionsJensen-type formula

Mathematics Subject Classification ID

Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations (34C10) Entire functions of one complex variable (general theory) (30D20) Entire and meromorphic solutions to ordinary differential equations in the complex domain (34M05)

Related Items (8)

Nonlinear Schrödinger operators with zero in the spectrum ⋮ Bounds for zeros of solutions of second order differential equations with polynomial coefficients ⋮ Localization and perturbation of complex zeros of solutions to second order differential equations with polynomial coefficients. A survey ⋮ On the minimax principle for Coulomb-Dirac operators ⋮ Friedrichs extension and min-max principle for operators with a gap ⋮ A variational formulation for Dirac operators in bounded domains. Applications to spectral geometric inequalities ⋮ Real zeros of solutions of second order linear differential equations ⋮ On a minimax principle in spectral gaps

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