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For a symmetric operator or relation A with infinite deficiency indices in a Hilbert space we develo...
The boundary eigenvalue problems for the adjoint of a symmetric relation S in a Hilbert space with f...
The sum A + B of two nonnegative selfadjoint relations (multivalued operators) A and B is a nonnegat...
The selfadjoint extensions of a closed linear relation R from a Hilbert space H1 to a Hilbert space ...
This thesis presents solutions to certain problems in the extension theory in Hilbert spaces. Basica...
The notion of a maximally nondensely defined symmetric operator or relation is introduced and charac...
AbstractThe notion of a maximally nondensely defined symmetric operator or relation is introduced an...
Let $L_{0}$ be a closed linear nonnegative (probably, positively defined) relation ("multivalued ope...
Abstract: Given a symmetric relation in a Hilbert space, then one can consider its selfadjoint exten...
The aim of this paper is to develop the conditions for a symmetric relation in a Hilbert space ℋ to ...
Let A be a selfadjoint operator (or a selfadjoint relation) in a Hilbert space h, let Z be a onedim...
The famous M.G. Kreın’s extension theory of nonnegative operators is being presented in elementary t...
Let A be a selfadjoint operator (or a selfadjoint relation) in a Hilbert space h, let Z be a one-dim...
This thesis concerns itself with the extension theory of second-order difference equations in both a...
Abstract. Let A be a selfadjoint operator (or a selfadjoint relation) in a Hilbert space H, let Z be...
For a symmetric operator or relation A with infinite deficiency indices in a Hilbert space we develo...
The boundary eigenvalue problems for the adjoint of a symmetric relation S in a Hilbert space with f...
The sum A + B of two nonnegative selfadjoint relations (multivalued operators) A and B is a nonnegat...
The selfadjoint extensions of a closed linear relation R from a Hilbert space H1 to a Hilbert space ...
This thesis presents solutions to certain problems in the extension theory in Hilbert spaces. Basica...
The notion of a maximally nondensely defined symmetric operator or relation is introduced and charac...
AbstractThe notion of a maximally nondensely defined symmetric operator or relation is introduced an...
Let $L_{0}$ be a closed linear nonnegative (probably, positively defined) relation ("multivalued ope...
Abstract: Given a symmetric relation in a Hilbert space, then one can consider its selfadjoint exten...
The aim of this paper is to develop the conditions for a symmetric relation in a Hilbert space ℋ to ...
Let A be a selfadjoint operator (or a selfadjoint relation) in a Hilbert space h, let Z be a onedim...
The famous M.G. Kreın’s extension theory of nonnegative operators is being presented in elementary t...
Let A be a selfadjoint operator (or a selfadjoint relation) in a Hilbert space h, let Z be a one-dim...
This thesis concerns itself with the extension theory of second-order difference equations in both a...
Abstract. Let A be a selfadjoint operator (or a selfadjoint relation) in a Hilbert space H, let Z be...
For a symmetric operator or relation A with infinite deficiency indices in a Hilbert space we develo...
The boundary eigenvalue problems for the adjoint of a symmetric relation S in a Hilbert space with f...
The sum A + B of two nonnegative selfadjoint relations (multivalued operators) A and B is a nonnegat...