本文给出了度量空间中某些同胚非扩张映射不动点存在的充分必要条件。
In this paper, some results on fixed points of homeomorphic maps in metric Spaces have been obtained.
讨论圆周上一类比扩张映射更广泛的连续映射， 证明这种映射是拓扑稳定的， 并且其逆极限系统是可扩。
The present paper shows that a class of continuous maps on circles which is extensiver than expand maps is topological stable.
在2—距离空间中减弱映射的连续性条件下，给出了扩张映射的不动点定理及扩张映射对的公共不动点定理。
The fixed point theorems for expansion mappings and the common fixed point theorem for a pair of mappings are given in 2 metric spaces under the condition of weakening mappings continuance.
应用推荐