Upper and lower bounds for F v ( 4 , 4 ; 5 ) . Xu, Xiaodong; Luo, Haipeng; Shao, Zehui — 2010 The Electronic Journal of Combinatorics [electronic only]
An improvement to Mathon's cyclotomic Ramsey colorings. Xu, Xiaodong; Radziszowski, Stanislaw P. — 2009 The Electronic Journal of Combinatorics [electronic only]
Constructive lower bounds on classical multicolor Ramsey numbers. Xu, Xiaodong; Xie, Zheng; Exoo, Geoffrey; Radziszowski, Stanisław P. — 2004 The Electronic Journal of Combinatorics [electronic only]
A generalization of generalized Paley graphs and new lower bounds for R ( 3 , q ) . Wu, Kang; Su, Wenlong; Luo, Haipeng; Xu, Xiaodong — 2010 The Electronic Journal of Combinatorics [electronic only]