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A simple proof of a theorem of Bollobás and Leader

Author: Hong Bing Yu
Journal: Proc. Amer. Math. Soc. 131 (2003), 2639-2640
MSC (2000): Primary 11B50, 20D60
Published electronically: April 1, 2003
MathSciNet review: 1974317
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Abstract | References | Similar Articles | Additional Information

Abstract: By using Scherk's lemma we give a simple combinatorial proof of a theorem due to Bollobás 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.

References [Enhancements On Off] (What's this?)

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Additional Information

Hong Bing Yu
Affiliation: Department of Mathematics, University of Science and Technology of China, Hefei 230026, Anhui, People’s Republic of China

Received by editor(s): December 5, 2001
Published electronically: April 1, 2003
Additional Notes: The author was supported by the National Natural Science Foundation of China
Communicated by: David E. Rohrlich
Article copyright: © Copyright 2003 American Mathematical Society

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