This paper gives some relation of U. S. C. and L. S. C. of set-valued mappings with closed and open property of image.

本文给出了集值映射的上半连续性和下半连续性同图象的闭性和开性间的一些关系。

youdao

In this paper a concept of contractible closed set is introduced in H-spaceand a generalized KKM theorem (Theorem 1)which is parallel with C-KKM theorem isobtained.

在H-空间中引入了可缩闭集的概念，得到了一个与C-KKM定理相平行的广义KKM定理。

youdao

In this paper a concept of contractible closed set is introduced in H-spaceand a generalized KKM theorem (Theorem 1)which is parallel with C-KKM theorem isobtained.

在H-空间中引入了可缩闭集的概念，得到了一个与C-KKM定理相平行的广义KKM定理。

youdao