一维射影变换

-
如何将一个一维射影变换表示为两个对合的乘积
On One-dimensional Projective Transformation is the Product of Two Involution
-
与点变换相切及密切的一维射影变换
One-Dimensional Projective Change Contacting and Osculating with Point Transformation
-
本文主要讨论三个问题:存在着无穷多个一维射影变换在一对对应的正则点对与一个已知点变换相切;
This Paper mainly discusses three Problems , the one - dimensional Projective change which is contacted with a given Point transformation at a regular Pair of corresponding Points is an infinite aggregate ;