双曲映射的Lorentz保形性

Lorentz Conformation of Hyperbolic Mapping

本文证明了双曲函数是双曲映射(即连续可微)的充要条件:它是Lorentz保形的。

This paper proves that the hyperbolic functions is the necessary and suf-ficient condition of hyperbolic mapping, it is Lorentz conformal.