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EXISTENCE OF INDECOMPOSABLE AND SIMPLE BLOCK DESIGN B(5,4;v)
Authors:Ding Changmin and Shen Hao
Institution:Department of Applied Mathematics, Shanghai Jiao Tong University, Shanghai 200030, China. and Department of Applied Mathematics, Shanghai Jiao Tong University, Shanghai 200031, China.
Abstract:It is proved that there exists an indecomposable and simple block design B(5,4;v) if and only if v = 0 or l(mod5) and v \geq 6.
Keywords:
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