2017
DOI: 10.17586/2220-8054-2017-8-3-310-316
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Finiteness of discrete spectrum of the two-particle Schrӧdinger operator on diamond lattices

Abstract: We consider a two-particle Schrödinger operator H on the d−dimensional diamond lattice. We find a sufficiency condition of finiteness for discrete spectrum eigenvalues of H.

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Cited by 2 publications
(3 citation statements)
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“…The aim of the paper is to provide a spectral decomposition of a non-self-direct operator of the Friedrichs model and generalize the Weyl function in terms of the introduced concept of the branching of the resolvent [13,1]. Upon reaching this goal, the construction of the spectral decomposition of a non-self-directed operator of the Friedrichs model can be used to solve problems of mathematical physics, which opens up additional possibilities for the case of self-adjoint operators.…”
Section: The Aim and Objectives Of The Studymentioning
confidence: 99%
See 1 more Smart Citation
“…The aim of the paper is to provide a spectral decomposition of a non-self-direct operator of the Friedrichs model and generalize the Weyl function in terms of the introduced concept of the branching of the resolvent [13,1]. Upon reaching this goal, the construction of the spectral decomposition of a non-self-directed operator of the Friedrichs model can be used to solve problems of mathematical physics, which opens up additional possibilities for the case of self-adjoint operators.…”
Section: The Aim and Objectives Of The Studymentioning
confidence: 99%
“…The branching of the resolvent introduced in [1,2] allows us to generalize the notion of Weyl function. The completeness of the system of eigenfunctions is important for the practical implementation of the method of separating the variables used in the theory of differential equations.…”
Section: Introductionmentioning
confidence: 99%
“…Namely, the (µ, λ) -plane was partitioned that in each connected component of the partition, the number of bound states of below or above its essential spectrum cannot be less than the corresponding number of bound states of H µ,λ (0) below or above its essential spectrum. In [17] a two-particle Schrödinger operator H on the d− dimensional diamond lattice was considered and a sufficiency condition of finiteness for discrete spectrum eigenvalues of H was found.…”
Section: Introductionmentioning
confidence: 99%