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We present three schemes for the numerical approximation of fractional diffusion, which build on different definitions of such a non-local process.
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A piecewise linear FEM for an optimal control problem of fractional operators: error analysis on curved domains
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Finite element approximation of the parabolic fractional obstacle problem
E. Otárola and A.J. Salgado · 2016
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Nonlocal elliptic equations in bounded domains: a survey
X. Ros-Oton · 2016
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G. Acosta, F. Bersetche, and J.P. Borthagaray · 2017
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