摘要
本文引进了本质不动点问题的概念,我们证明了每个不动点问题都可以由本质不动点问题来任意逼近。
In this paper, the concept of the problems of essential fixed point is introduced. We prove that every problem of fixed point can be closely approximated arbitrarily by an problem of essential fixed point.
出处
《贵州大学学报（自然科学版）》
1992年第3期135-139,共5页
Journal of Guizhou University:Natural Sciences
关键词
本质不动点
多值映射
剩余集
Essential fixed point, Multivalued mapping, Residual set, Approximation theorem
