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区组大小为3和4的单纯二重可分组设计的存在性

On the Existence of Simple Two-Fold Group Divisible Designswith Block Size 3 and 4
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摘要 讨论区组大小为3和4的单纯二重可分组设计的存在性问题,即对k=3和4,证明了单纯(k,2)-NGDD(tu)存在的必要条件也是充分的. It was proved that for k=3 and 4 the necessary conditions for the existence of simple two-fold group divisible designs(k,2)-NGDD(t^u)are also sufficient.
作者 王金华
出处 《上海交通大学学报》 EI CAS CSCD 北大核心 2004年第1期149-152,156,共5页 Journal of Shanghai Jiaotong University
关键词 单纯可分组设计 PBD-闭集 斜Room结构 simple group divisible design PBD-closed set skew Room frame
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参考文献9

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