Published online by Cambridge University Press: 05 July 2013
Let $f: X~\dashrightarrow ~X$ be a dominant meromorphic self-map, where
$X$ is a compact, connected complex manifold of dimension
$n\gt 1$. Suppose that there is an embedded copy of
${ \mathbb{P} }^{1} $ that is invariant under
$f$, with
$f$ holomorphic and transversally superattracting with degree
$a$ in some neighborhood. Suppose that
$f$ restricted to this line is given by
$z\mapsto {z}^{b} $, with resulting invariant circle
$S$. We prove that if
$a\geq b$, then the local stable manifold
${ \mathcal{W} }_{\mathrm{loc} }^{s} (S)$ is real analytic. In fact, we state and prove a suitable localized version that can be useful in wider contexts. We then show that the condition
$a\geq b$ cannot be relaxed without adding additional hypotheses by presenting two examples with
$a\lt b$ for which
${ \mathcal{W} }_{\mathrm{loc} }^{s} (S)$ is not real analytic in the neighborhood of any point.