Geodesic
On zero-sum free subsets of length 7
The electronic journal of combinatorics, Tome 17 (2010)
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Let $G$ be a finite additively written abelian group, and let $X$ be a subset of 7 elements in $G$. We show that if $X$ contains no nonempty subset with sum zero, then the number of the elements which can be expressed as the sum over a nonempty subsequence of $X$ is at least $ 24$.
DOI : 10.37236/376
Mots-clés : finite additively written abelian group 
@article{10_37236_376,
     author = {Pingzhi Yuan and Xiangneng Zeng},
     title = {On zero-sum free subsets of length 7},
     journal = {The electronic journal of combinatorics},
     year = {2010},
     volume = {17},
     doi = {10.37236/376},
     zbl = {1231.05295},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/376/}
}
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Pingzhi Yuan; Xiangneng Zeng. On zero-sum free subsets of length 7. The electronic journal of combinatorics, Tome 17 (2010). doi: 10.37236/376

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