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Deficiency indices and discreteness property of block Jacobi matrices and Dirac operators with point interactions×p-matrix entries. We present new conditions for general block Jacobi matrices to be self-adjoint and have discrete

Eta-Invariants for Parameter-Dependent Operators Associated with an Action of a Discrete Group operators associated with an isometric action of a discrete group of polynomial growth on a smooth closed

Правосторонние резольвенты дискретных операторов взвешенного сдвига с матричными весами их норм. Right-side resolvents are constructed for discrete weighted shift operator

On a general discrete boundary value problem for an elliptic pseudo-differential equation in a quadrantWe study a general discrete boundary value problem in Sobolev-Slobodetskii spaces in a plane

Estimates of norms of hardy-type integral and discrete operators on cones of quasimonotone functionsEstimates of norms of hardy-type integral and discrete operators on cones of quasimonotone

1-D Schrödinger operators with local point interactions on a discrete set1-D Schrödinger operators with local point interactions on a discrete set

On digital approximations for elliptic boundary value problems-differential operator in discrete Sobolev-Slobodetskii spaces. Existence and uniqueness theorems are proved and a

Analytic and algebraic indices of elliptic operators associated with discrete groups of quantized canonical transformationsWe consider elliptic operators associated with discrete groups of quantized canonical

DYNAMIC MODELS WITH DISCRETE TIME RELATED TO OPERATORS OF BIRKHOFF'S TYPEBirkhoff's equations with discrete time are obtained. The relationship between the first integrals

Asymptotics of parabolic Green's functions on lattices. The spatially discrete (difference) operators under consideration are finite-difference approximations

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