论周期函数的周期数集

On The Preriodic Nambers Of A Preriodic function

本文研究了周期函数无最小正周期的充要条件是它的周期集在整个实数集Ｒ中稠密，并得到一些结果和性质．

In this paper,it is shown that a preriodic function has no the mininal positive preriodic number if only if it'spreriodic number set is dense in real number field,and so on.