A fast solver for spectral elements applied to fractional differential equations using hierarchical matrix approximation
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DOI: 10.1016/j.cma.2020.113053
Abstract: Abstract We develop a fast solver for the spectral element method (SEM) applied to the two-sided fractional diffusion equation on uniform, geometric and graded meshes. By approximating the singular kernel with a degenerate kernel we… read more here.
Keywords: matrix approximation; solver spectral; approximation; fast solver ... See more keywords