A Novel Key Management Scheme for Dynamic Access Control in a User Hierarchy. - Tzer-Shyong Chen; Yu-Fang Chung; Chang-Sin Tian (COMPSAC, 2004)

Edge Addition Number of Cartesian Product of Paths and Cycles. - Yung-Ling Lai; Chang-Sin Tian; Ting-Chun Ko (Electron. Notes Discret. Math., 2005)

An extremal graph with given bandwidth. - Yung-Ling Lai; Chang-Sin Tian (Theor. Comput. Sci., 2007)