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SEMINARS
Zero-sum Subsequences of Distinct Lengths
时间  Datetime
2018-06-15 15:00 — 16:00 
地点  Venue
Middle Lecture Room
报告人  Speaker
Weidong Gao
单位  Affiliation
Center for Combinatorics, Nankai University
邀请人  Host
Jiyou Li
报告摘要  Abstract

Let $G$ be an additive finite abelian group, and let $\mbox{disc}(G)$ denote the smallest positive integer $t$ such that every sequence $S$ over $G$ of length $|S|\geq t$ has two nonempty zero-sum subsequences of distinct lengths. We present some recent results and some open problems on $\mbox{disc}(G)$.