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difference family
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difference family
Encyclopedia
理学
组合设计
释
difference family
差族
设是阶阿贝尔群,其运算为加法,是群上的子集族,式中,。令。若中每个非零元在多重集中恰出现次,则称为上的一个差族。当时,简记为差族。当时,差族即为差集。
Mathematics
>组合数学、组合设计与图论>组合设计>释义
difference family
差族
difference family
差族,广义差集
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