Evolution of cooperative behavior in a spatial iterated prisoner's dilemma game with different representation schemes of game strategies. - Hisao Ishibuchi; Hiroyuki Ohyanagi; Yusuke Nojima (FUZZ-IEEE, 2009)

Evolution of cooperative behavior among heterogeneous agents with different strategy representations in an iterated prisoner's dilemma game. - Hiroyuki Ohyanagi; Yoshihiko Wakamatsu; Yusuke Nakashima; Yusuke Nojima; Hisao Ishibuchi (Artif. Life Robotics, 2009)

Behavior of EMO algorithms on many-objective optimization problems with correlated objectives. - Hisao Ishibuchi; Naoya Akedo; Hiroyuki Ohyanagi; Yusuke Nojima (IEEE Congress on Evolutionary Computation, 2011)

Many-objective test problems with multiple Pareto optimal regions in a decision space. - Hisao Ishibuchi; Naoya Akedo; Hiroyuki Ohyanagi; Yasuhiro Hitotsuyanagi; Yusuke Nojima (MCDM, 2011)

Effects of the Existence of Highly Correlated Objectives on the Behavior of MOEA/D. - Hisao Ishibuchi; Yasuhiro Hitotsuyanagi; Hiroyuki Ohyanagi; Yusuke Nojima (EMO, 2011)

Evolution of Strategies With Different Representation Schemes in a Spatial Iterated Prisoner's Dilemma Game. - Hisao Ishibuchi; Hiroyuki Ohyanagi; Yusuke Nojima (IEEE Trans. Comput. Intell. AI Games, 2011)