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Let $\Sigma$ be a compact, orientable surface of negative Euler characteristic, and let $h$ be a complete hyperbolic metric on $\Sigma$. A geodesic curve $\gamma$ in $\Sigma$ is filling, if it cuts the surface into topological disks and…

Geometric Topology · Mathematics 2020-01-03 Monika Kudlinska

We introduce a type of minimal surface in the pseudo-hyperbolic space $\mathbb{H}^{n,n}$ (with $n$ even) or $\mathbb{H}^{n+1,n-1}$ (with $n$ odd) associated to cyclic $\mathrm{SO}_0(n,n+1)$-Higg bundles. By establishing the infinitesimal…

Differential Geometry · Mathematics 2022-07-12 Xin Nie

This paper is about a type of quantitative density of closed geodesics and orthogeodesics on complete finite-area hyperbolic surfaces. The main results are upper bounds on the length of the shortest closed geodesic and the shortest doubly…

Geometric Topology · Mathematics 2023-06-26 Nhat Minh Doan

Given a closed surface S of genus at least 2, we compare the symplectic structure of Taubes' moduli space of minimal hyperbolic germs with the Goldman symplectic structure on the character variety X(S, PSL(2,C)) and the affine cotangent…

Differential Geometry · Mathematics 2014-12-30 Brice Loustau

In this paper we examine the geometry of minimal surfaces of arithmetic hyperbolic 3-manifolds. In particular, we give bounds on the totally geodesic 2-systole, construct infinitely many incommensurable manifolds with the same initial…

Geometric Topology · Mathematics 2015-06-30 Benjamin Linowitz , Jeffrey S. Meyer

Let $\Sigma$ be a closed hyperbolic surface. We study, for fixed $g$, the asymptotics of the number of those periodic geodesics in $\Sigma$ having at most length $L$ and which can be written as the product of $g$ commutators. The basic idea…

Geometric Topology · Mathematics 2023-04-24 Viveka Erlandsson , Juan Souto

In this paper the index of a family of critical points of the systole function on Teichm\"uller space is calculated. The members of this family are interesting in that their existence implies the existence of strata in the Thurston spine…

Geometric Topology · Mathematics 2026-05-07 Ni An , Ferdinand Ihringer , Ingrid Irmer

We prove Poisson approximation results for the bottom part of the length spectrum of a random closed hyperbolic surface of large genus. Here, a random hyperbolic surface is a surface picked at random using the Weil-Petersson volume form on…

Geometric Topology · Mathematics 2021-03-18 Maryam Mirzakhani , Bram Petri

Let $\Sigma$ be a hyperbolic surface. We study the set of curves on $\Sigma$ of a given type, i.e. in the mapping class group orbit of some fixed but otherwise arbitrary $\gamma_0$. For example, in the particular case that $\Sigma$ is a…

Geometric Topology · Mathematics 2015-08-11 Viveka Erlandsson , Juan Souto

The purpose this article is to try to understand the mysterious coincidence between the asymptotic behavior of the volumes of the Moduli Space of closed hyperbolic surfaces of genus $g$ with respect to the Weil-Petersson metric and the…

Geometric Topology · Mathematics 2021-11-01 Cayo Dória

We study the number and the length of systoles on complete finite area orientable hyperbolic surfaces. In particular, we prove upper bounds on the number of systoles that a surface can have (the so-called kissing number for hyperbolic…

Geometric Topology · Mathematics 2016-01-27 Federica Fanoni , Hugo Parlier

A filling pair $(\alpha, \beta)$ of a surface $S_g$ is a pair of simple closed curves in minimal position such that the complement of $\alpha\cup\beta$ in $S_g$ is a disjoint union of topological disks. A filling pair is said to be…

Geometric Topology · Mathematics 2026-01-23 Ni An , Bhola Nath Saha , Bidyut Sanki

We construct infinite families of closed hyperbolic surfaces that are local maxima for the systole function on their respective moduli spaces. The systole takes values along a linearly divergent sequence $(L_n)_{n\geq 1}$ at these local…

Geometric Topology · Mathematics 2018-09-18 Maxime Fortier Bourque , Kasra Rafi

In this paper we obtain a bound on the number of isometry classes of finite area hyperbolic surfaces which are length isospectral to a given surface depending only on the topological type of the surface and the length of the shortest closed…

Metric Geometry · Mathematics 2014-03-25 Weston Ungemach

This note is about a type of quantitative density of closed geodesics on closed hyperbolic surfaces. The main results are upper bounds on the length of the shortest closed geodesic that $\varepsilon$-fills the surface.

Geometric Topology · Mathematics 2017-05-31 Ara Basmajian , Hugo Parlier , Juan Souto

This paper contains a purely topological theorem and a geometric application. The topological theorem states that if M is a simple closed orientable 3-manifold such that \pi_1(M) contains a genus g surface group and H_1(M;Z/2Z) has rank at…

Geometric Topology · Mathematics 2008-02-03 Ian Agol , Marc Culler , Peter B. Shalen

Our main point of focus is the set of closed geodesics on hyperbolic surfaces. For any fixed integer $k$, we are interested in the set of all closed geodesics with at least $k$ (but possibly more) self-intersections. Among these, we…

Geometric Topology · Mathematics 2016-09-02 Viveka Erlandsson , Hugo Parlier

In real space forms, Fraser and Schoen proved that a free-boundary minimal disk in a geodesic ball is totally geodesic. In this note, we consider free-boundary minimal surfaces $\Sigma$ (of any genus) in geodesic balls of complex space…

Differential Geometry · Mathematics 2020-11-17 Jesse Madnick

Let $M$ be a closed hyperbolic $3$-manifold. A homotopy class $[S]$ of surfaces in $M$ is filling if any representative cuts $M$ into components contractible in $M$. We prove that there exist $\epsilon_0, g_0>0$ such that every homotopy…

Geometric Topology · Mathematics 2026-03-20 Xiaolong Hans Han

The so-called {\it kissing number} for hyperbolic surfaces is the maximum number of homotopically distinct systoles a surface of given genus $g$ can have. These numbers, first studied (and named) by Schmutz Schaller by analogy with lattice…

Geometric Topology · Mathematics 2014-02-26 Hugo Parlier