A simple proof of a theorem of Bollobas and Leader

被引:5
|
作者
Yu, HB [1 ]
机构
[1] Univ Sci & Technol China, Dept Math, Hefei 230026, Anhui, Peoples R China
关键词
D O I
10.1090/S0002-9939-03-07091-6
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
By using Scherk's lemma we give a simple combinatorial proof of a theorem due to Bollobas and Leader. For any sequence of elements of an abelian group of order k, calling the sum of k terms of the sequence a k-sum, if 0 is not a k-sum, then there are at least r - k + 1 k-sums.
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页码:2639 / 2640
页数:2
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