A near-quadratic algorithm for the alpha-connected two-center decision problem. - Po-Hsueh Huang; Yin-Te Tsai; Chuan Yi Tang (CCCG, 2002)

A fast algorithm for the alpha-connected two-center decision problem. - Po-Hsueh Huang; Yin-Te Tsai; Chuan Yi Tang (Inf. Process. Lett., 2003)

A Near-Quadratic Algorithm for the Alpha-Connected Two-Center Problem. - Po-Hsueh Huang; Yin-Te Tsai; Chuan Yi Tang (J. Inf. Sci. Eng., 2006)