Sperner's lemma and zero point theorems on a discrete simplex and a discrete simplotope. - Takuya Iimura; Kazuo Murota; Akihisa Tamura (Discret. Appl. Math., 2012)

Existence of a pure strategy equilibrium in finite symmetric games where payoff functions are integrally concave. - Takuya Iimura; Takahiro Watanabe (Discret. Appl. Math., 2014)

Pure strategy equilibrium in finite weakly unilaterally competitive games. - Takuya Iimura; Takahiro Watanabe (Int. J. Game Theory, 2016)

Binary action games: Deviation properties, semi-strict equilibria and potentials. - Takuya Iimura; Pierre von Mouche; Takahiro Watanabe (Discret. Appl. Math., 2018)

Unilaterally competitive games with more than two players. - Takuya Iimura (Int. J. Game Theory, 2020)

Two-person pairwise solvable games. - Takuya Iimura; Toshimasa Maruta; Takahiro Watanabe (Int. J. Game Theory, 2020)