Block ω-circulant preconditioners for parabolic optimal control problems. - Po Yin Fung; Sean Y. Hon (CoRR, 2024)

An optimal parallel-in-time preconditioner for parabolic optimal control problems. - Sean Y. Hon; Po Yin Fung; Xue-lei Lin (CoRR, 2024)

Block ( boldsymbol{ omega } )-Circulant Preconditioners for Parabolic Optimal Control Problems. - Po Yin Fung; Sean Y. Hon (SIAM J. Matrix Anal. Appl., 2024)

A sine transform based preconditioned MINRES method for all-at-once systems from constant and variable-coefficient evolutionary PDEs. - Sean Y. Hon; Po Yin Fung; Jiamei Dong; Stefano Serra-Capizzano (Numer. Algorithms, 2024)

Block ω-circulant preconditioners for parabolic equations. - Po Yin Fung; Sean Y. Hon (Comput. Math. Appl., 2025)

An Efficient Preconditioner for Evolutionary Partial Differential Equations with θ-Method in Time Discretization. - Yuan-Yuan Huang; Po Yin Fung; Sean Y. Hon; Xue-Lei Lin (J. Sci. Comput., 2025)