Stability of deficiency indices
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Publication:4183262
DOI10.1017/S0308210500009884zbMath0398.47009MaRDI QIDQ4183262
Publication date: 1977
Published in: Proceedings of the Royal Society of Edinburgh: Section A Mathematics (Search for Journal in Brave)
Perturbation theory of linear operators (47A55) Linear symmetric and selfadjoint operators (unbounded) (47B25) Linear accretive operators, dissipative operators, etc. (47B44)
Related Items (13)
Decoupling of deficiency indices and applications to Schrödinger-type operators with possibly strongly singular potentials ⋮ Stability of deficiency indices of Hermitian subspaces under relatively bounded perturbations ⋮ Relative form boundedness and compactness for a second-order differential operator ⋮ The Dirac equation with an anomalous magnetic moment ⋮ Stability of index for linear relations and its applications ⋮ Deficiency indices and spectral theory of third order differential operators on the half line ⋮ A perturbation method and the limit-point case of even order symmetric differential expressions ⋮ Deficiency indices of singular Schrödinger operators ⋮ On spectral flow and Fermi arcs ⋮ On the stability of self-adjointness of linear relations ⋮ Spectral analysis of fourth order differential operators I ⋮ Invariance of deficiency indices of second-order symmetric linear difference equations under perturbations ⋮ A limit-point criterion for 2n-th order symmetric differential expressions
Cites Work
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- Dissipative operators in a Banach space
- Commutators and self-adjointness of Hamiltonian operators
- Almost positive perturbations of positive selfadjoint operators
- On an inequality of Hardy, Littlewood, and Pólya
- Generalisations of Rellich's theorem on perturbation of (essentially) selfadjoint operators
- Some essentially self-adjoint Dirac operators with spherically symmetric potentials
- Holomorphic operator families and stability of selfadjointness
- Perturbation of closed operators and their adjoints
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