Matrix Schrödinger operator with  δ -interactions

A. S. Kostenko; M. M. Malamud; D. D. Natyagailo

doi:10.1134/S0001434616070051

Matrix Schrödinger operator with δ-interactions

作者: Kostenko A.S.¹, Malamud M.M.², Natyagailo D.D.²
隶属关系:
1. University of Vienna
2. Institute of Applied Mathematics and Mechanics
期: 卷 100, 编号 1-2 (2016)
页面: 49-65
栏目: Article
URL: https://journals.rcsi.science/0001-4346/article/view/149556
DOI: https://doi.org/10.1134/S0001434616070051
ID: 149556

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详细

The matrix Schrödinger operator with point interactions on the semiaxis is studied. Using the theory of boundary triplets and the corresponding Weyl functions, we establish a relationship between the spectral properties (deficiency indices, self-adjointness, semiboundedness, etc.) of the operators under study and block Jacobi matrices of certain class.