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Mathematics > Analysis of PDEs

arXiv:2212.11664 (math)
[Submitted on 22 Dec 2022]

Title:Spectral analysis of a family of nonsymmetric fractional elliptic operators

Authors:Quanling Deng, Yulong Li
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Abstract:In this work, we investigate the spectral problem $Au = {\lambda}u$ where $A$ is a fractional elliptic operator involving left- and right-sided Riemann-Liouville derivatives. These operators are nonlocal and nonsymmetric, however, share certain classic elliptic properties. The eigenvalues correspond to the roots of a class of certain special functions. Compared with classic Sturm-Liouville problems, the most challenging part is to set up the framework for analyzing these nonlocal operators, which requires developing new tools. We prove the existence of the real eigenvalues, find the range for all possible complex eigenvalues, explore the graphs of eigenfunctions, and show numerical findings on the distribution of eigenvalues on the complex plane.
Subjects: Analysis of PDEs (math.AP); Numerical Analysis (math.NA); Spectral Theory (math.SP)
Cite as: arXiv:2212.11664 [math.AP]
  (or arXiv:2212.11664v1 [math.AP] for this version)
  https://doi.org/10.48550/arXiv.2212.11664

Submission history

From: Quanling Deng [view email]
[v1] Thu, 22 Dec 2022 13:06:33 UTC (2,444 KB)
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