伪概周期函数是1992年在我的博士论文中定义的,大多数人是在1994年我的两篇文章得知此函数的.从那以来,伪概周期函数引起国内外许多数学工作者的兴趣,成为一个活跃的研究领域.文中将介绍伪概周期函数是如何定义的,并且综述近20年它的发展.
Pseudo almost periodic functions (PAP for short) were defined almost 20 years ago in my Ph.D thesis, 1992. Most people know PAP from my two papers of 1994. Since then, PAP attracts more and more people of both Chinese and foreigners and now becomes an active research area. In this paper, we will introduce how PAP to be defined and survey its development.