On the eigenfunctions of the essential spectrum of the model problem for the Schrödinger operator with singular potential

Publication date: 25 April 2024

Published in: Sbornik: Mathematics (Search for Journal in Brave)

asymptotics integral representation eigenfunctions essential spectrum functional-difference equation

Boundary value problems for second-order elliptic equations (35J25) Spectral theory and eigenvalue problems for partial differential equations (35P99) Schrödinger operator, Schrödinger equation (35J10)

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