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arXiv · 0806.3676

Inverse zero-sum problems and algebraic invariants

Benjamin Girard
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Abstract

In this article, we study the maximal cross number of long zero-sumfree sequences in a finite Abelian group. Regarding this inverse-type problem, we formulate a general conjecture and prove, among other results, that this conjecture holds true for finite cyclic groups, finite Abelian p-groups and for finite Abelian groups of rank two. Also, the results obtained here enable us to improve, via the resolution of a linear integer program, a result of W. Gao and A. Geroldinger concerning the minimal number of elements with maximal order in a long zero-sumfree sequence of a finite Abelian group of rank two.

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Benjamin Girard. 2010-10-18. Inverse zero-sum problems and algebraic invariants. https://doi.org/10.4064/aa135-3-3

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