Perturbation theory

DOI10.1016/0022-247X(77)90268-2zbMath0405.34047OpenAlexW4205904301MaRDI QIDQ1257142

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Publication date: 1977

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0022-247x(77)90268-2

zbMATH Keywords

ComputationHilbert SpacePerturbation Theory of Unitary TransformationProperties of a TransformationUnitary Transformations in a Hilbert SpaceWaves Limit

Mathematics Subject Classification ID

Singular perturbations of ordinary differential equations (34D15) Hilbert spaces of continuous, differentiable or analytic functions (46E20) Perturbations, asymptotics of solutions to ordinary differential equations (34E10)

Related Items (5)

Nodal Hilbert spaces of analytic functions ⋮ de Branges–Rovnyak Spaces: Basics and Theory ⋮ de Branges–Rovnyak Spaces and Norm-Constrained Interpolation ⋮ Nonstationary analogs of the Herglotz representation theorem: The discrete case ⋮ A trace formula for canonical differential expressions.

Cites Work

• Perturbations of unitary transformations
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