摘要
本文构造了2个素数阶循环图,得到了2个Ramsey数的新下界:R(8,18)≥662,R(8,19)≥752.
Two prime order cyclic graphs are structured in this thesic,and new lower bounds of two Ramsey numbers is obtained: R (8,18)≥662, R (8,19)≥752.
出处
《广西民族学院学报(自然科学版)》
CAS
1998年第4期1-2,5,共3页
Journal of Guangxi University For Nationalities(Natural Science Edition)
基金
广西科学基金