most citedA note on parallel preconditioning for the all-at-once solution of Riesz fractional diffusion equations

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math.NA2020★ 36 cited

A note on parallel preconditioning for the all-at-once solution of Riesz fractional diffusion equations

Xian-Ming Gu, Yong-Liang Zhao, Xi-Le Zhao +2

The -step backwards difference formula (BDF) for solving the system of ODEs can result in a kind of all-at-once linear systems, which are solved via the parallel-in-time precond…