A summation algorithm with error correction for parallel computers. - Kazufumi Ozawa; Masatoshi Miyazaki (Syst. Comput. Jpn., 1993)

Waveform Relaxation for Second Order Differential Equation y''=f(x, y). - Kazufumi Ozawa; Susumu Yamada (Euro-Par, 1998)

Scaling and modified squaring method for the matrix exponential. - Shinsuke Nakamura; Kazufumi Ozawa; Chiaki Hirota (JSIAM Lett., 2016)