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Related papers: Teichm\"uller disks with small limit sets in PMF

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We prove bounds on approximate incidences between families of circles and families of points in the plane. As a consequence, we prove a lower bound for the dimension of circular $(u,v)$-Furstenberg sets, which is new for large $u$ and $v$.

Classical Analysis and ODEs · Mathematics 2025-02-18 John Green , Terence L. J. Harris , Yumeng Ou , Kevin Ren , Sarah Tammen

This is a mathematical commentary on Teichm{\"u}ller's paper ``Bestimmung der extremalen quasikonformen Abbildungen bei geschlossenen orientierten Riemannschen Fl{\"a}chen'' (Determination of extremal quasiconformal maps of closed oriented…

Geometric Topology · Mathematics 2015-10-12 Annette A'Campo-Neuen , Norbert A'Campo , Vincent Alberge , Athanase Papadopoulos

We outline old and new results concerning the well-known problems in the Teichm\"uller space theory, i.e., whether these spaces are starlike in the Bers holomorphic embedding and whether any Teichm\"uller space of dimension greater than 1…

Complex Variables · Mathematics 2016-12-21 Samuel L. Krushkal

We obtain bounds on the numbers of intersections between triangulations as the conformal structure of a surface varies along a Teichm{\"u}ller geodesic contained in an $\mathrm{SL}\left(2,\mathbb{R}\right)$-orbit closure of rank 1 in the…

Geometric Topology · Mathematics 2022-07-04 John Rached

In this paper we develop a systematic deformation theory for conic constant curvature metrics on a closed surface when all cone angles are less than $2\pi$; in particular, we define and study the Teichm\"uller space…

Differential Geometry · Mathematics 2015-09-28 Rafe Mazzeo , Hartmut Weiss

The Gardiner-Masur compactification of Teichm\"uller space is homeomorphic to the horofunction compactification of the Teichm\"uller metric. Let $\xi$ and $\eta$ be a pair of boundary points in the Gardiner-Masur compactification that fill…

Geometric Topology · Mathematics 2023-07-31 Xiaoke Lou , Weixu Su , Dong Tan

We develop the theory of Thurston maps that are defined everywhere on the topological sphere $S^2$ with a possible exception of a single essential singularity. We establish an analog of the celebrated W. Thurston's characterization theorem…

Dynamical Systems · Mathematics 2024-10-03 Nikolai Prochorov

We prove that the pressure metric on the Teichm\"uller space of a bordered surface is incomplete and its partial completion can be given by the moduli space of metric graphs for a fat graph associated to the same bordered surface equipped…

Dynamical Systems · Mathematics 2016-08-16 Binbin Xu

In this paper we prove genus bounds for closed embedded minimal surfaces in a closed 3-dimensional manifold constructed via min-max arguments. A stronger estimate was announced by Pitts and Rubistein but to our knowledge its proof has never…

Analysis of PDEs · Mathematics 2009-05-26 Camillo De Lellis , Filippo Pellandini

We prove that the moduli space of compact genus three Riemann surfaces contains only finitely many algebraically primitive Teichmueller curves. For the stratum consisting of holomorphic one-forms in genus three with a single zero, our…

Algebraic Geometry · Mathematics 2014-10-28 Matt Bainbridge , Philipp Habegger , Martin Moeller

We prove that the minimal Euler characteristic of a closed symplectic four-manifold with given fundamental group is often much larger than the minimal Euler characteristic of almost complex closed four-manifolds with the same fundamental…

Geometric Topology · Mathematics 2007-05-23 D. Kotschick

The Thurston spine consists of the subset of Teichm\"uller space at which the set of shortest curves, the systoles, cuts the surface into polygons. The systole function is a topological Morse function on Teichm\"uller space. This paper…

Geometric Topology · Mathematics 2025-04-24 Ingrid Irmer

Given a compact orientable surface with finitely many punctures $\Sigma$, let $\Cal S(\Sigma)$ be the set of isotopy classes of essential unoriented simple closed curves in $\Sigma$. We determine a complete set of relations for a function…

Geometric Topology · Mathematics 2007-05-23 Feng Luo

Triangulated surfaces are compact Riemann surfaces equipped with a conformal triangulation by equilateral triangles. In 2004, Brooks and Makover asked how triangulated surfaces are distributed in the moduli space of Riemann surfaces as the…

Complex Variables · Mathematics 2023-09-27 Sahana Vasudevan

Let S be an oriented surface of genus g with m punctures. If 3g-3+m is at least 4 then we construct for every compact subset K of moduli space a closed Teichmueller geodesic not intersecting K.

Group Theory · Mathematics 2009-12-01 Ursula Hamenstaedt

In this paper we produce a sequence of Riemannian manifolds $M_j^m$, $m \ge 2$, which converge in the intrinsic flat sense to the unit $m$-sphere with the restricted Euclidean distance. This limit space has no geodesics achieving the…

Differential Geometry · Mathematics 2022-01-14 Jorge Basilio , Demetre Kazaras , Christina Sormani

A triangulation of a surface is \emph{irreducible} if there is no edge whose contraction produces another triangulation of the surface. We prove that every irreducible triangulation of a surface with Euler genus $g\geq1$ has at most $13g-4$…

Combinatorics · Mathematics 2011-05-19 Gwenaël Joret , David R. Wood

We continue the comparison between lines of minima and Teichmueller geodesics begun in [CRS1]. We show that in the Teichmueller space of a surface S, lines of minima are quasi-geodesic with respect to the Teichmueller metric. The…

Geometric Topology · Mathematics 2008-03-13 Young-Eun Choi , Kasra Rafi , Caroline Series

A basic feature of Teichm\"uller theory of Riemann surfaces is the interplay of two dimensional hyperbolic geometry, the behavior of geodesic-length functions and Weil-Petersson geometry. Let $\mathcal{T}_g$ $(g\geq 2)$ be the Teichm\"uller…

Differential Geometry · Mathematics 2023-09-01 Yunhui Wu

In this paper, we show that the analogue of Thurston's asymmetric metric on the Teichm{\"u}ller space of flat structures on the torus is weak Finsler and we give a geometric description of its unit sphere at each point in the tangent space…

Complex Variables · Mathematics 2021-09-07 Hideki Miyachi , Ken'Ichi Ohshika , Athanase Papadopoulos