Operators satisfying smoothness conditions

DOI10.1007/BF01091590zbMath0536.47014MaRDI QIDQ5896295

O. G. Storozh, V. Eh. Lyantse

Publication date: 1983

Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)

zbMATH Keywords

perturbationsmoothness conditionsemergence of nonlocal terms

Mathematics Subject Classification ID

Perturbation theory of linear operators (47A55)

Related Items (21)

Extensions of symmetric operators with distinct deficiency numbers ⋮ CLOSEDNESS OF SUMS OF UNBOUNDED OPERATORS ACTING ON DIFFERENT VARIABLES IN THE SPACES OF SQUARE-INTEGRABLE FUNCTIONS OF SEVERAL VARIABLES ⋮ Extremal extensions of a nonnegative operator, and accretive boundary- value problems ⋮ A condition for nonnegativity of an operator related to the Dirichlet operator ⋮ Closedness and normal solvability of an operator generated by a degenerate linear differential equation with variable coefficients ⋮ Boundary control and canonical realizations of a two-velocity dynamical system ⋮ Some analytic properties of the Weyl function of a closed linear relation ⋮ On basicity of the system of eigenfunctions of one discontinuous spectral problemfor second order differential equation for grand-Lebesgue space ⋮ Singular boundary conditions for Sturm–Liouville operators via perturbation theory ⋮ On the unitary equivalence of the proper extensions of a Hermitian operator and the Weyl function ⋮ Unitary equivalence of proper extensions of a symmetric operator and the Weyl function ⋮ Extension theory for symmetric operators and boundary value problems for differential equations ⋮ On the basicity of eigenfunctions of a second-order differential operator with a discontinuity point in weighted Lebesgue spaces ⋮ Non-self-adjoint extensions of a Hermitian operator and their characteristic functions ⋮ One-dimensional perturbations of unbounded selfadjoint operators with empty spectrum ⋮ On an approach to the construction of the Friedrichs and Neumann-Krein extensions of nonnegative linear relations ⋮ Accretive operators related to a positive-definite operator ⋮ Characteristic functions of almost solvable extensions of Hermitian operators ⋮ Spectral theory of elliptic operators in exterior domains ⋮ Some Analytic Properties of the Weyl Function of a Closed Operator ⋮ Vladyslav Elijovych Lyantse (in honour of the 100th anniversary of birth)

Cites Work

• Self-adjoint subspace extensions of nondensely defined symmetric operators
• Finite-dimensional perturbations of spectral problems and variational approximation methods for eigenvalue problems. Part I. Finite-dimensional perturbations
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