Abstract
The purpose of this work is to study a finite element method for finding solutions to the eigenvalue problem for the fractional Laplacian. We prove that the discrete eigenvalue problem converges to the continuous one and we show the order of such convergence. Finally, we perform some numerical experiments and compare our results with previous work by other authors.
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Acknowledgements
The authors would like to thank G. Grubb and R. Rodríguez for the valuable help they provided through clarifying discussions on the topic of this paper, and to F. Bersetche for improving the efficiency of the Matlab code employed.
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Research of Juan Pablo Borthagaray has been partially supported by CONICET under Grant PIP 2014-2016 11220130100184CO.
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Borthagaray, J.P., Del Pezzo, L.M. & Martínez, S. Finite Element Approximation for the Fractional Eigenvalue Problem. J Sci Comput 77, 308–329 (2018). https://doi.org/10.1007/s10915-018-0710-1
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DOI: https://doi.org/10.1007/s10915-018-0710-1