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• A Modified Version of the PRESB Preconditioner for a Class of Non-Hermitian Complex Systems of Linear Equations

  Owe Axelsson, Davod Khojasteh Salkuyeh

  2025-09-01

  4666 325 Pages:756-770

• A New Iteration and Preconditioning Method for Elliptic PDE-Constrained Optimization Problems

  Owe Axelsson, Davod Khojasteh Salkuyeh

  2020-12-02

  53183 2921 Pages:1098-1122