Some Properties of Weak Block Designs

Some Properties of Weak Block Designs

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摘要 The necessary conditions for the existence of weak designs are given in the form of two inequalities in this paper. The relations among weak block designs (WBDs) , Balanced incomplete block designs ( BIBDs) and differential balanced block designs (DBBDs) are researched. The necessary conditions for the existence of weak designs are given in the form of two inequalities in this paper. The relations among weak block designs (WBDs) , Balanced incomplete block designs ( BIBDs) and differential balanced block designs (DBBDs) are researched.

作者刘秀峰张爱丽朱洪

机构地区 Department of Applied Mathematics Department of Computer Science

出处《Journal of Southwest Jiaotong University(English Edition)》 2002年第2期144-151,共8页 西南交通大学学报（英文版）

关键词 block design BALANCE INCOMPLETE DIFFERENTIAL block design, balance, incomplete, differential

分类号 O157 [理学—基础数学]

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Journal of Southwest Jiaotong University(English Edition)

2002年第2期

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Some Properties of Weak Block Designs

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