Tokyo Journal of Mathematics

Pseudo-Anosov Maps and Pairs of Filling Simple Closed Geodesics on Riemann Surfaces

Chaohui ZHANG

Full-text: Open access

Abstract

Let $S$ be a Riemann surface of finite area with at least one puncture $x$. Let $a\subset S$ be a simple closed geodesic. In this paper, we show that for any pseudo-Anosov map $f$ of $S$ that is isotopic to the identity on $S\cup \{x\}$, the pair $(a, f^m(a))$ of geodesics fills $S$ for $m\geq 3$. We also study the cases of $0<m\leq 2$ and show that if $(a,f^2(a))$ does not fill $S$, then there is only one geodesic $b$ such that $b$ is disjoint from both $a$ and $f^2(a)$. In fact, $b=f(a)$ and $\{a,f(a)\}$ forms the boundary of an $x$-punctured cylinder on $S$. As a consequence, we show that if $a$ and $f(a)$ are not disjoint, then $(a,f^m(a))$ fills $S$ for any $m\geq 2$.

Article information

Source
Tokyo J. Math., Volume 35, Number 2 (2012), 469-482.

Dates
First available in Project Euclid: 23 January 2013

Permanent link to this document
https://projecteuclid.org/euclid.tjm/1358951331

Digital Object Identifier
doi:10.3836/tjm/1358951331

Mathematical Reviews number (MathSciNet)
MR3058719

Zentralblatt MATH identifier
1266.32018

Subjects
Primary: 32G15: Moduli of Riemann surfaces, Teichmüller theory [See also 14H15, 30Fxx]
Secondary: 30C60 30F60: Teichmüller theory [See also 32G15]

Citation

ZHANG, Chaohui. Pseudo-Anosov Maps and Pairs of Filling Simple Closed Geodesics on Riemann Surfaces. Tokyo J. Math. 35 (2012), no. 2, 469--482. doi:10.3836/tjm/1358951331. https://projecteuclid.org/euclid.tjm/1358951331


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