运动型Mbius变换的阶

The order of fixed-point-free Mbius transformations

把运动型Mbius变换分为完全型和不完全型两种,并讨论了这两种类型元素的一些基本性质。

The fixed-point-free Moebius transformations were classified into two classes, complete type and incomplete type.Then some properties of these elements were discussed.