Decompositions of rational functions over real and complex numbers and a question about invariant curves

@inproceedings{Muller2015DecompositionsOR,
title={Decompositions of rational functions over real and complex numbers and a question about invariant curves},
author={P. Muller},
year={2015}
}

We consider the connection of functional decompositions of rational functions over the real and complex numbers, and a question about curves on a Riemann sphere which are invariant under a rational function.