Author: Imakura, Akira

Chen, Hongjia; Imakura, Akira; Sakurai, Tetsuya: Improving backward stability of Sakurai-Sugiura method with balancing technique in polynomial eigenvalue problem. (English). Applications of Mathematics, vol. 62 (2017), issue 4, pp. 357-375
Futamura, Yasunori; Yano, Takahiro; Imakura, Akira; Sakurai, Tetsuya: A real-valued block conjugate gradient type method for solving complex symmetric linear systems with multiple right-hand sides. (English). Applications of Mathematics, vol. 62 (2017), issue 4, pp. 333-355