Abstract:We consider the moduli space, $\mathcal{M}_d^N[\mathcal{P}]$, of degree $d$ rational self maps of $\mathbb{P}^N$ with prescribed pre-periodic structure $\mathcal{P}$ which were introduced by Doyle and Silverman. It was shown in arXiv:1305.1054 that, $\mathcal{M}_2^1[\mathcal{P}_6]$, the moduli space of degree two rational maps with a $6$-cycle is a surface of general type. Here we compute the Kodaira dimension of all the moduli spaces with up to six pre-periodic points and show that $\kappa = -\infty, 0, 1,2$ are all realized for some $\mathcal{P}$.
From: Louis Diaz [view email]
[v1]
Thu, 18 Jun 2026 23:18:47 UTC (20 KB)
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