2 papers
math.SP2019
Expansion of eigenvalues of rank-one perturbations of the discrete bilaplacian
Ahmad Khalkhuzhaev, Shokhrukh Yu. Kholmatov, Mardon Pardabaev
We consider the family of discrete Schrödinger-type operators in -dimensional lattice , where…
math.SP2019
Asymptotics of eigenvalues of the zero-range perturbation of the discrete bilaplacian
Shokhrukh Yu. Kholmatov, Mardon Pardabaev
We consider the family of discrete Schrödinger-type operators in one-dimensional lattice $\m…