AbstractWe discuss the coexistence problem for the one-dimensional Schrödinger operator with the double or triple periodic δ(1)-interactions. For each j∈N, we determine whether or not the jth spectral gap is degenerate
We study the semiclassical asymptotic approximation of the spectrum of the two-dimensional Schröding...
We prove that one-dimensional Schrödinger operators with even almost periodic potential have no poin...
We investigate one dimensional symmetric Schrödinger operator HX, β with δ\u27 interactions of stren...
In this paper, we consider the one-dimensional Schrödinger operators with periodic generalized point...
In this talk we study the spectral gaps of the one-dimensional Schrödinger operators with particula...
The spectral properties of the Schrödinger operator T_t y = -y"+ q_t y in L²(R) are st...
Spectral properties of 1-D Schrödinger operators HX,α := − d2 dx2 + xn∈X αnδ(x − xn) with local poin...
We study the spectral theory of ergodic Schrödinger operators.The focus is on multi-dimensional Schr...
AbstractLet A be a subset of the family of all self-adjoint extensions of a symmetric operator A0 wi...
AbstractSpectrum of the second-order differential operator with periodic point interactions in L2(R)...
This talk is a review of some results on spectrum and localized eigen functions of quasi-periodic Sc...
AbstractA number of results on radial positive definite functions on Rn related to Schoenbergʼs inte...
The analysis of discrete Schrödinger operators of the form (hu)(n) = u(n + 1) + u(n − 1) + λ tan(παn...
Let H = −∆+ V be defined on Rd with smooth potential V, such that V (x) = V (x+ n) , for all n ∈ Zd...
AbstractWe investigate the kernels of the transformation operators for one-dimensional Schrödinger o...
We study the semiclassical asymptotic approximation of the spectrum of the two-dimensional Schröding...
We prove that one-dimensional Schrödinger operators with even almost periodic potential have no poin...
We investigate one dimensional symmetric Schrödinger operator HX, β with δ\u27 interactions of stren...
In this paper, we consider the one-dimensional Schrödinger operators with periodic generalized point...
In this talk we study the spectral gaps of the one-dimensional Schrödinger operators with particula...
The spectral properties of the Schrödinger operator T_t y = -y"+ q_t y in L²(R) are st...
Spectral properties of 1-D Schrödinger operators HX,α := − d2 dx2 + xn∈X αnδ(x − xn) with local poin...
We study the spectral theory of ergodic Schrödinger operators.The focus is on multi-dimensional Schr...
AbstractLet A be a subset of the family of all self-adjoint extensions of a symmetric operator A0 wi...
AbstractSpectrum of the second-order differential operator with periodic point interactions in L2(R)...
This talk is a review of some results on spectrum and localized eigen functions of quasi-periodic Sc...
AbstractA number of results on radial positive definite functions on Rn related to Schoenbergʼs inte...
The analysis of discrete Schrödinger operators of the form (hu)(n) = u(n + 1) + u(n − 1) + λ tan(παn...
Let H = −∆+ V be defined on Rd with smooth potential V, such that V (x) = V (x+ n) , for all n ∈ Zd...
AbstractWe investigate the kernels of the transformation operators for one-dimensional Schrödinger o...
We study the semiclassical asymptotic approximation of the spectrum of the two-dimensional Schröding...
We prove that one-dimensional Schrödinger operators with even almost periodic potential have no poin...
We investigate one dimensional symmetric Schrödinger operator HX, β with δ\u27 interactions of stren...
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