"Limits of Asymptotically Fuchsian Surfaces in a Closed Hyperbolic 3-Ma" by Fernando Al Assal

Date of Award

Spring 2023

Document Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

Department

Mathematics

First Advisor

Minsky, Yair

Abstract

Let $M$ be a closed hyperbolic 3-manifold. Let $\nu_{\Gr M}$ denote the probability volume (Haar) measure of the 2-plane Grassmann bundle $\Gr M$ of $M$ and let $\nu_T$ denote the area measure on $\Gr M$ of an immersed closed totally geodesic surface $T\se M$. We say a sequence of $\pi_1$-injective maps $f_i:S_i\to M$ of surfaces $S_i$ is \emph{asymptotically Fuchsian} if $f_i$ is $K_i$-quasifuchsian with $K_i\to 1$ as $i\to \infty$. We show that the set of weak-* limits of the probability area measures induced on $\Gr M$ by asymptotically Fuchsian minimal or pleated maps $f_i:S_i\to M$ of closed connected surfaces $S_i$ consists of all convex combinations of $\nu_{\Gr M}$ and the $\nu_T$.

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