摘要
The big upper bound of typical van der Waerden number was investigated through calculating the van der Waerden number on a circle. And the van der Waerden number W h(3,3)=9,W h(3,3,3)≥25 on a circle was calculated by computer.
The big upper bound of typical van der Waerden number was investigated through calculating the van der Waerden number on a circle. And the van der Waerden number W h(3,3)=9,W h(3,3,3)≥25 on a circle was calculated by computer.
基金
ProjectsupportedbytheNationalNaturalScienceFoundationofChina(GrantNo .10 1710 62 )andKeySubjectofShanghaiMunic palCommissionofEducation