A local tournament contains a vertex whose out-arcs are pseudo-girth-pancyclic. - Wei Meng; Shengjia Li; Yubao Guo; Gaokui Xu (J. Graph Theory, 2009)

Strong subtournaments of order c containing a given vertex in regular c-partite tournaments with c≥16. - Gaokui Xu; Shengjia Li; Hongwei Li 018; Qiaoping Guo (Discret. Math., 2011)

Notes on cycles through a vertex or an arc in regular 3-partite tournaments. - Gaokui Xu; Shengjia Li; Qiaoping Guo; Hongwei Li 018 (Appl. Math. Lett., 2012)

The solution and applications of a combinatorial problem. - Gaokui Xu; Shengjia Li; Qiaoping Guo; Hongwei Li 018 (Discret. Appl. Math., 2012)

Pancyclic out-arcs of a vertex in oriented graphs. - Qiaoping Guo; Shengjia Li; Ruijuan Li; Gaokui Xu (Inf. Process. Lett., 2012)

A note on the existence of edges in the (1, 2)-step competition graph of a round digraph. - Xinhong Zhang; Ruijuan Li; Shengjia Li; Gaokui Xu (Australas. J Comb., 2013)

Notes on vertex pancyclicity of graphs. - Qiaoping Guo; Shengjia Li; Gaokui Xu; Yubao Guo (Inf. Process. Lett., 2013)

The structure of strong tournaments containing exactly one out-arc pancyclic vertex. - Qiaoping Guo; Gaokui Xu (Australas. J Comb., 2017)

Deep Learning Based on Wireless Remote Sensing Model for Monitoring the Solar System Inverter. - Xiaoyan Wang; Gaokui Xu (Complex., 2021)