Barakitis, Nikos; Ekström, Sven-Erik; Vassalos, Paris Preconditioners for fractional diffusion equations based on the spectral symbol. (English) Zbl 07584149 Numer. Linear Algebra Appl. 29, No. 5, e2441, 22 p. (2022). Reviewer: Adhemar Bultheel (Leuven) MSC: 65M06 65M12 35R11 65F08 65F10 65F15 65F35 26A33 15B05 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Chen, Minghua; Ekström, Sven-Erik; Serra-Capizzano, Stefano A multigrid method for nonlocal problems: non-diagonally dominant or Toeplitz-plus-tridiagonal systems. (English) Zbl 1461.65236 SIAM J. Matrix Anal. Appl. 41, No. 4, 1546-1570 (2020). MSC: 65M55 26A33 65T50 65F05 15B05 35R11 × Cite Format Result Cite Review PDF Full Text: DOI arXiv