Spektralfunktionen einer Klasse von Differentialoperatoren zweiter Ordnung mit nichtlinearem Eigenwertparameter

DOI10.5186/aasfm.1976.0218zbMath0371.34014OpenAlexW2326208480MaRDI QIDQ4147006

Heinz K. Langer

Publication date: 1976

Published in: Annales Academiae Scientiarum Fennicae Series A I Mathematica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.5186/aasfm.1976.0218

Mathematics Subject Classification ID

Ordinary differential operators (34L99)

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The inverse spectral problem for indefinite strings ⋮ The classical moment problem and generalized indefinite strings ⋮ Two-Dimensional Hamiltonian Systems ⋮ An indefinite inverse spectral problem of Stieltjes type ⋮ Direct and inverse spectral problems for generalized strings ⋮ Continued fraction expansions of Herglotz–Nevanlinna functions and generalized indefinite strings of Stieltjes type ⋮ Bessel-type operators with an inner singularity ⋮ Linear operators in spaces with indefinite metric and their applications ⋮ Continuation of Hermitian positive definite functions and related questions ⋮ Strings, dual strings, and related canonical systems ⋮ Sturm-Liouville operators with an indefinite weight function ⋮ Quadratic operator pencils associated with the conservative Camassa-Holm flow

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