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Schröder's Equation


\begin{displaymath}
f(\lambda z)=R(z),
\end{displaymath}

where $R(z)=\lambda x+a_2x^2+\ldots$, $\lambda\equiv R'(0)$, $\vert\lambda\vert=1$, and $\lambda^n \not=1$ for all $n\in\Bbb{N}$.




© 1996-9 Eric W. Weisstein
1999-05-26