Thanks for refreshing my memory 
Yes, for regular iteration of power series it is indeed is easier to compute the inverse of the Abel function, which is however nearly the same as to compute the iterates \( f^{\circ t}(x) \). The Abel function has also a singularity at 0.
Yes, for regular iteration of power series it is indeed is easier to compute the inverse of the Abel function, which is however nearly the same as to compute the iterates \( f^{\circ t}(x) \). The Abel function has also a singularity at 0.
