Restricted Sumsets in Finite Nilpotent Groups
Restricted Sumsets in Finite Nilpotent Groups
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DOI:
10.4064/aa7437-8-2016
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发表时间:
2012-06
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通讯作者:
Shanshan Du;H. Pan
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文献类型:
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作者:
Shanshan Du;H. Pan
Suppose that $A,B$ are two non-empty subsets of the finite nilpotent group $G$. If $A\not=B$, then the cardinality of the restricted sumset $$A\dotplus B={a+b: a\in A, b\in B, a\neq b} $$ is at least $$\min{p(G),|A|+|B|-2},$$ where $p(G)$ denotes the least prime factor of $|G|$.