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We give an identity involving sums of functions of lengths of simple closed geodesics, known as a McShane identity, on any non-orientable hyperbolic surface with boundary which generalises Mirzakhani's identities on orientable hyperbolic…

Geometric Topology · Mathematics 2007-06-12 Paul Norbury

We exhibit an algorithm to determine the bridge number of a hyperbolic knot in the 3-sphere. The proof uses adaptations of almost normal surface theory for compact surfaces with boundary in ideally triangulated knot exteriors.

Geometric Topology · Mathematics 2012-03-29 Alexander Coward

Optical surfaces represented by second-degree polynomials (quadratic or conics) are ubiquitous in optics. We revisit the equations of the conic shapes in the context of grazing incidence optics, gathering together the curves commonly used…

Optics · Physics 2024-06-07 Manuel Sanchez del Rio , Kenneth Goldberg

We present and prove a topological characterization of geodesic laminations on hyperbolic surfaces of finite type.

Geometric Topology · Mathematics 2018-05-30 Luis-Miguel Lopez

We prove quantum ergodicity for the eigenfunctions of the pseudo-Laplacian on Riemannian surfaces with finitely many hyperbolic cusps and ergodic geodesic flow.

Spectral Theory · Mathematics 2019-06-25 Elie Studnia

This survey article describes the algorithmic approaches successfully used over the time to construct hyperbolic structures on 3-dimensional topological "objects" of various types, and to classify several classes of such objects using such…

Geometric Topology · Mathematics 2010-03-26 Carlo Petronio

In this paper we review some author's results about Weingarten surfaces in Euclidean space $\r^3$ and hyperbolic space $\h^3$. We stress here in the search of examples of linear Weingarten surfaces that satisfy a certain geometric property.…

Differential Geometry · Mathematics 2009-06-19 Rafael López

Given a measured lamination on a finite area hyperbolic surface we consider a natural measure Mon the real line obtained by taking the push-forward of the volume measure of the unit tangent bundle of the surface under an intersection…

Geometric Topology · Mathematics 2014-11-11 Martin J. Bridgeman

We discuss an alternative approach to the uniformisation problem on surfaces with boundary by representing conformal structures on surfaces $M$ of general type by hyperbolic metrics with boundary curves of constant positive geodesic…

Differential Geometry · Mathematics 2018-07-13 Melanie Rupflin

We derive a sharp cusp count for finite volume complex hyperbolic surfaces which admit smooth toroidal compactifications. We use this result, and the techniques developed in [DiC12], to study the geometry of cusped complex hyperbolic…

Differential Geometry · Mathematics 2014-11-10 Gabriele Di Cerbo , Luca Fabrizio Di Cerbo

Generalizing both hyperbolic framed surfaces and one-parameter families of hyperbolic framed curves, we introduce the concept of hyperbolic generalized framed surfaces and establish their relations in hyperbolic 3-space. We provide the…

Differential Geometry · Mathematics 2026-02-03 Donghe Pei , Masatomo Takahashi , Anjie Zhou

We construct explicit families of quasi-hyperbolic and hyperbolic surfaces. This is based on earlier work of Vojta, and the recent expansion and generalization of it by the first author. In this paper we further extend it to the singular…

Algebraic Geometry · Mathematics 2018-04-23 Natalia Garcia-Fritz , Giancarlo Urzúa

We construct polylogarithms on families of pointed Riemann surfaces of any genus which describe monodromies of meromorphic connections with simple poles. Furthermore, we show that the polylogaritms are computable as power series in…

Algebraic Geometry · Mathematics 2023-10-06 Takashi Ichikawa

In this article we introduce a hyperbolic metric on the (normalized) space of stability conditions on projective K3 surfaces $X$ with Picard rank $\rho (X) =1$. And we show that all walls are geodesic in the normalized space with respect to…

Algebraic Geometry · Mathematics 2013-04-15 Kotaro Kawatani

In this paper we give two different proofs of Bobenko and Springborn's theorem of circle pattern: there exists a hyperbolic (or Euclidean) circle pattern with proscribed intersection angles and cone angles on a cellular decomposed surface…

Geometric Topology · Mathematics 2008-02-28 Ren Guo

We show that any hyperbolic Inoue surface (or Inoue-Hirzebruch surface of even type) admits anti-self-dual bihermitian structures. The same result also holds for any of its small deformations as far as its anti-canonical system is…

Differential Geometry · Mathematics 2009-03-10 A. Fujiki , M. Pontecorvo

We modify the deformation method explored previously in a joint work of B. Shiffman and the author, in order to construct further examples of Kobayashi hyperbolic surfaces in the projective 3-space of any even degree starting with degree 8.

Algebraic Geometry · Mathematics 2009-10-19 Mikhail Zaidenberg

In this paper we study topological surfaces as gridded surfaces in the 2-dimensional scaffolding of cubic honeycombs in Euclidean and hyperbolic spaces.

Geometric Topology · Mathematics 2017-12-01 Juan Pablo Díaz , Gabriela Hinojosa , Alberto Verjovsky

We show that the index of a constant mean curvature 1 surface in hyperbolic 3-space is completely determined by the compact Riemann surface and secondary Gauss map that represent it in Bryant's Weierstrass representation. We give three…

Differential Geometry · Mathematics 2008-07-01 Levi Lopes de Lima , Wayne Rossman

In this paper we study volumes of moduli spaces of hyperbolic surfaces with geodesic, cusp and cone boundary components. We compute the volumes in some new cases, in particular when there exists a large cone angle. This allows us to give…

Algebraic Geometry · Mathematics 2025-06-18 Lukas Anagnostou , Paul Norbury