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Related papers: The Teichm{\"u}ller-Randers metric

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We show that on every manifold, every conformal class of semi-Riemannian metrics contains a metric $g$ such that each $k$-th-order covariant derivative of the Riemann tensor of $g$ has bounded absolute value $a_k$. This result is new also…

Differential Geometry · Mathematics 2015-10-14 Olaf Müller , Marc Nardmann

We show that, in the Teichm\"uller metric, "thin-framed triangles are thin"---that is, under suitable hypotheses, the variation of geodesics obeys a hyperbolic-like inequality. This theorem has applications to the study of random walks on…

Geometric Topology · Mathematics 2007-05-23 Moon Duchin

We develop a natural and geometric way to realize the hyperbolic plane as the moduli space of marked genus 1 Riemann surfaces. To do so, a metric is defined on the Teichm\"uller space of the torus, inspired by Thurston's Lipschitz metric…

Geometric Topology · Mathematics 2017-07-05 Mark Greenfield , Lizhen Ji

The space of full-ranked one-forms on a smooth, orientable, compact manifold (possibly with boundary) is metrically incomplete with respect to the induced geodesic distance of the generalized Ebin metric. We show a distance equality between…

Differential Geometry · Mathematics 2023-08-01 Nicola Cavallucci , Zhe Su

In this paper, we obtain the explicit limit value of the Teichm\"{u}ller distance between two Teichm\"{u}ller geodesic rays which are determined by Jenkins-Strebel differentials having a common end point on the augmented Teichm\"{u}ller…

Geometric Topology · Mathematics 2013-04-19 Masanori Amano

We continue the study of the analogue of Thurston's metric on the Teichm{\"u}ller space of Euclidean triangle which was started by Saglam and Papadopoulos in [1].By direct calculation, we give explicit expressions of the distance function…

Geometric Topology · Mathematics 2023-08-28 Hideki Miyachi , Ken'Ichi Ohshika , Athanase Papadopoulos

Here we study what we call bounded rough Riemannian metrics $(M,g)$, which are positive definite, symmetric tensors on each tangent space, $T_pM$, which are bounded and measurable as functions in coordinates. This is enough structure to…

Differential Geometry · Mathematics 2026-03-09 Brian Allen , Bernardo Falcao , Harry Pacheco , Bryan Sanchez

We give a proof of an unpublished result of Thurston showing that given any hyperbolic metric on a surface of finite type with nonempty boundary, there exists another hyperbolic metric on the same surface for which the lengths of all simple…

Geometric Topology · Mathematics 2009-09-09 Athanase Papadopoulos , Guillaume Théret

In this paper, we investigate the anisotropic Calder{\'o}n problem on cylindrical Riemannian manifolds with boundary having two ends and equipped with singular metrics of (simple or double) warped product type, that is whose warping factors…

Analysis of PDEs · Mathematics 2018-05-16 Thierry Daude , Niky Kamran , Francois Nicoleau

We give a description of the completion of the manifold of all smooth Riemannian metrics on a fixed smooth, closed, finite-dimensional, orientable manifold with respect to a natural metric called the $L^2$ metric. The primary motivation for…

Differential Geometry · Mathematics 2009-04-02 Brian Clarke

This is a survey of our recent results on the geometry of moduli spaces and Teichmuller spaces of Riemann surfaces appeared in math.DG/0403068 and math.DG/0409220. We introduce new metrics on the moduli and the Teichmuller spaces of Riemann…

Differential Geometry · Mathematics 2015-06-26 Kefeng Liu , Xiaofeng Sun , Shin-Tung Yau

This is a continuation of our previous work [13]. Let $(\Sigma,g)$ be a closed Riemann surface, where the metric $g$ has conical singularities at finite points. Suppose $\mathbf{G}$ is a group whose elements are isometries acting on…

Analysis of PDEs · Mathematics 2022-01-03 Yu Fang , Yunyan Yang

Given a sequence of curves on a surface, we provide conditions which ensure that (1) the sequence is an infinite quasi-geodesic in the curve complex, (2) the limit in the Gromov boundary is represented by a nonuniquely ergodic ending…

Geometric Topology · Mathematics 2017-02-21 Jeffrey Brock , Christopher Leininger , Babak Modami , Kasra Rafi

We study the geometry of the Thurston metric on the Teichm\"uller space $\mathcal{T}(S)$ of hyperbolic structures on a surface $S$. Some of our results on the coarse geometry of this metric apply to arbitrary surfaces $S$ of finite type;…

Geometric Topology · Mathematics 2020-05-27 David Dumas , Anna Lenzhen , Kasra Rafi , Jing Tao

We introduce the concept of ODD ('$\mathbf{O}$rthogonally $\mathbf{D}$egenerating on a $\mathbf{D}$ivisor') Riemannian metrics on real analytic manifolds $M$. These semipositive symmetric $2$-tensors may degenerate on a finite collection of…

Differential Geometry · Mathematics 2022-11-28 Lukas Braun

We prove that the universal Teichmuller space T(1) carries a new structure of a complex Hilbert manifold. We show that the connected component of the identity of T(1), the Hilbert submanifold T_{0}(1), is a topological group. We define a…

Complex Variables · Mathematics 2007-05-23 Leon A. Takhtajan , Lee-Peng Teo

We define and study metrics and weak metrics on the Teichmueller space of a surface of topologically finite type with boundary. These metrics and weak metrics are associated to the hyperbolic length spectrum of simple closed curves and of…

Geometric Topology · Mathematics 2009-03-05 Lixin Liu , Athanase Papadopoulos , Weixu Su , Guillaume Théret

We study isometric maps between Teichm\"uller spaces and bounded symmetric domains in their intrinsic Kobayashi metric. From a complex analytic perspective, these two important classes of geometric spaces have several features in common but…

Complex Variables · Mathematics 2015-10-27 Stergios M. Antonakoudis

We show that both Teichmuller space (with the Teichmuller metric) and the mapping class group (with a word metric) have geodesic divergence that is intermediate between the linear rate of flat spaces and the exponential rate of hyperbolic…

Geometric Topology · Mathematics 2010-06-10 Moon Duchin , Kasra Rafi

We prove an analogue of Farb-Masur's theorem that the length-spectra metric on moduli space is "almost isometric" to a simple model $\mathcal {V}(S)$ which is induced by the cone metric over the complex of curves. As an application, we know…

Geometric Topology · Mathematics 2010-12-10 Lixin Liu , Weixu Su