Detecting Hierarchical Organization in Complex Networks by Nearest Neighbor Correlation. - Chao Long Wang; Ka Wai Au; Ching King Chan; Hon Wai Lau; Kwok Yip Szeto (NICSO, 2007)

Decay of Invincible Clusters of Cooperators in the Evolutionary Prisoner's Dilemma Game. - Ching King Chan; Kwok Yip Szeto (EvoWorkshops, 2009)