Fundamental Results of Conformable Sturm-Liouville Eigenvalue Problems

Mohammed Al-Refai and Thabet Abdeljawad

Complexity, 2017, vol. 2017, 1-7

Abstract:

We suggest a regular fractional generalization of the well-known Sturm-Liouville eigenvalue problems. The suggested model consists of a fractional generalization of the Sturm-Liouville operator using conformable derivative and with natural boundary conditions on bounded domains. We establish fundamental results of the suggested model. We prove that the eigenvalues are real and simple and the eigenfunctions corresponding to distinct eigenvalues are orthogonal and we establish a fractional Rayleigh Quotient result that can be used to estimate the first eigenvalue. Despite the fact that the properties of the fractional Sturm-Liouville problem with conformable derivative are very similar to the ones with the classical derivative, we find that the fractional problem does not display an infinite number of eigenfunctions for arbitrary boundary conditions. This interesting result will lead to studying the problem of completeness of eigenfunctions for fractional systems.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:3720471

DOI: 10.1155/2017/3720471

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