A group of equations is solved for an example, the translation from nonlinear dynamic system in two dimensions to a circlemapping is discussed, and the effectiveness of the method is also showed.
本文用一个特例解出方程组，说明了二维线性动力系统向圆映象的转换，并且表明了这种方法的有效性。
2
Quasihomographies and quasi-symmetric function on the unit circle are geometric characterizations of boundary value of quasi-conformal mapping.