2021/10/03 by Lev, Vsevolod F.
#Combinatorics (math.CO) #FOS: Mathematics #Number Theory (math.NT)
paper · doi:10.48550/arxiv.2110.01081
We show that a zero-sum-free sequence of length n over an abelian group spans at least 2n distinct subsequence sums, unless it possesses a rigid, easily-described structure.