Discrete Sturm-Liouville operators having the hydrogen atom potential

Seyfollah Mosazadeh and Hikmet Koyunbakan

Applied Mathematics and Computation, 2025, vol. 500, issue C

Abstract: In the present paper, we investigate Sturm-Liouville difference operators having 2n−r(r+1)n2 type singularity. We study the properties of the eigenvalues of discrete boundary value problem and present the eigenfunction expansion. Finally, we show that the potential can be uniquely determined by the eigenvalues and weight numbers, and some numerical results are given to illustrate the main findings.

Keywords: Discrete Sturm-Liouville operator; Singularity; Hydrogen atom potential; Eigenfunction expansion; Uniqueness theorem (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:500:y:2025:i:c:s0096300325001547

DOI: 10.1016/j.amc.2025.129427

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