Weidong Gao

collaborators

2 papers

math.NT2008

The critical number of finite abelian groups

Michael Freeze, Weidong Gao, Alfred Geroldinger

Let G be an additive, finite abelian group. The critical number $cr (G)$ of $G$ is the smallest positive integer $ℓ$ such that for every subset $S \subset G \setminus \{…

math.NT2008

Inverse Zero-Sum Problems III

Weidong Gao, Alfred Geroldinger, David J. Grynkiewicz

Let $G$ be a finite abeilian group. A sequence $S$ with terms from $G$ is zero-sum if the sum of terms in $S$ equals zero. It is a minimal zero-sum sequence if no proper, nontrivia…