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All-at-once multigrid approaches for one-dimensional space-fractional diffusion equations

We focus on a time-dependent one-dimensional space-fractional diffusion equation with constant diffusion coefficients. An all-at-once rephrasing of the discretized problem, obtained by considering the time as an additional dimension, yields a large block linear system and paves the way for paralleli...

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Detalles Bibliográficos
Autores principales: Donatelli, Marco, Krause, Rolf, Mazza, Mariarosa, Trotti, Ken
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer International Publishing 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8591672/
https://www.ncbi.nlm.nih.gov/pubmed/34803177
http://dx.doi.org/10.1007/s10092-021-00436-3