Development of a steerable, wheel-type, in-pipe robot and its path planning. - Tomoyasu Oya; Tokuji Okada (Adv. Robotics, 2005)

Evaluating Automated Trading Systems Using Random Walk Securities. - Tomoyasu Oya (GEM, 2008)

Stock price coding and Zipf's law. - Tomoyasu Oya; Yoichi Muraoka (GEM, 2009)