The Number of Vertices Whose Out-Arcs Are 5-Pancyclic in K-Strong Tournaments
Qiaoping Guo, Shengjia Li · Shuxue de shijian yu renshi · 2010
An arc in a tournament T with n≥3 vertices is called k-pancyclic,if it belongs to a cycle of length l for all k≤l≤n.In this paper,the result that each s-strong tournament with s≥4 contains at least s + 2 vertices whose out-arcs are 4-pancyclic is obtained.