关于Mbius群M(Rn)的不动点及其不等式(英文)

ON COMMON FIXED POINT ANDINEQUALITIES FOR MBIUS GROUP M(Rn)

得到了Ｍ（Ｒｎ）中二个元有公共不动点的６个充要条件。

In this paper we obtain several sufficient and necessary conditions that two elements in  M(Rn) have common fixed point. We also prove some inequalities for Mbius transformations and discrete groups