关于几乎差集

On Almost Difference Sets

利用分圆方法研究了最近 Ding和 Lem介绍的一种称为几乎差集的组合构形 ,讨论了它的存在性 ,纠正了 Ding和

Recently, Ding and Lem introduced a new combinatorial configuration called almost difference set.Discusses the existence of almost difference sets by using cyclotomy, and corrects the mistake of Ding and Lem's paper.