In: Computers and mathematics with applications, 2021, vol. 99, p. 162-170
We consider two parallel-in-time approaches applied to a (reaction) diffusion problem, possibly non-linear. In particular, we consider PFASST (Parallel Full Approximation Scheme in Space and Time) and space-time multigrid strategies. For both approaches, we start from an integral formulation of the continuous time dependent problem. Then, a collocation form for PFASST and a discontinuous ...
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Thèse de doctorat : Università della Svizzera italiana, 2021 ; 2021INFO013.
Recent years have seen the rapid growth in interest towards fractional calculus. Fractional calculus plays an important role in modelling anomalous diffusion phenomena, however closed-form analytical solutions of such equations are rarely available, hence numerical estimates are needed. In this thesis we consider various fractional diffusion equations (FDEs), where different fractional ...
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In: Advances in Computational Mathematics, 2015, vol. 41, no. 5, p. 1255-1288
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In: IMA Journal of Numerical Analysis, 2017, vol. 37, no. 4, p. 2004-2019
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In: Computational Geosciences, 2015, vol. 19, no. 1, p. 213-232
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