Singular quadratic forms: Regularization by restriction

DOI10.1006/jfan.1996.2969zbMath0909.47015OpenAlexW1974491972MaRDI QIDQ677477

Volodymyr Koshmanenko, Witold Karwowski

Publication date: 8 April 1999

Published in: Journal of Functional Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jfan.1996.2969

zbMATH Keywords

regularizationsingular vectorsself-adjoint operatorsSchrödinger operator with point interactionsymmetric sesquilinear form

Mathematics Subject Classification ID

Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Perturbation theory of linear operators (47A55) Linear symmetric and selfadjoint operators (unbounded) (47B25)

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