摘要
推广 Mathon的方法 ,并对 4色完全图 K92 9进行研究 ,得到 Ramsey数 R4 (6 )的新下界:R4 (6 )≥ 372
The 4 colorings of the complete graph K 929 are investigated by generalizing the work of Mathon.A new lower bound for the Ramsey number R 4(6) is obtained:R 4(6)≥3721.
出处
《广西科学》
CAS
2003年第4期241-243,共3页
Guangxi Sciences
基金
Partially supported by the Project 10 1610 0 3oftheNationalNaturalScienceFoundationofChina,the Science Fund of SouthChinaNormalUniversityandtheScienceFundofGuangxiProvinceofChina(GKH0 3 42 0 0 2)