It is proved that the substitituon mapping is a proper Fourier integral operator with generalized hypoellipticity.

证明了变量替换映射是一个具广义亚椭园性的适的富里叶积分算子。

Abstract： In this paper, the method and theory of coprime factorizations of nonlinear systems based on the operator theory are introduced.

主要介绍了基于算子理论的非性系统互质分解方法及其理论。