生存轨道与集值映象的不动点

Viable Trajectoiries and Fixed-point of Set-Valued Mapping

基于无穷维空间中的生存定理，我们研究了集值映象的不动点，得到了一个新的不动点定理，推广和改进了[1]和[5]中的相应结果．

In this paper,a new fixed-point theorem is proved based on the Viability theorem. The results in [1] and [5] are improved and generatized.