Differentiable equivalence of fractional linear maps

Fritz Schweiger

A Moebius system is an ergodic fibred system $(B,T)$ (see \citer5) defined on an interval $B=[a,b]$ with partition $(J_k),k\in I,#I\geq 2$ such that $Tx=\frac{c_k+d_{k}x}{a_k+b_{k}x}$,…