Optimization of growth of peptide chain by ribosomes on messenger RNA. - Hirohumi Hirayama; Yoshimitsu Okita; Yuzo Fukuyama (Artif. Life Robotics, 1997)

Optimal control of active transport across a biological membrane. - Hirohumi Hirayama; Yoshimitsu Okita; Yuzo Fukuyama (Artif. Life Robotics, 1998)