On restarted and deflated block FOM and GMRES methods for sequences of shifted linear systems

Lakhdar Elbouyahyaoui, Mohammed Heyouni, Azita Tajaddini, Farid Saberi Movahed. On restarted and deflated block FOM and GMRES methods for sequences of shifted linear systems. Numerical Algorithms, 87(3):1257-1299, 2021. [doi]

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