Some Properties of Weak Block Designs |
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| Institution: | 1. Department of Applied Mathematics, Southwest Jiaotong University, Chengdu 610031,China
2. Department of Computer Science, Fudan University, Shanghai 200433, China |
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| Abstract: | 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. |
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| Keywords: | block design balance incomplete differential |
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