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Related papers: Handlebodies of Infinite Genus and Schottky Groups

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The goal of this paper is to describe a theoretical construction of an infinite collection of non-classical Schottky groups. We first show that there are infinitely many non-classical noded Schottky groups on the boundary of Schottky space,…

Geometric Topology · Mathematics 2018-01-11 Ruben A. Hidalgo , Bernard Maskit

The topological type of a non-compact Riemann surface is determined by its ends space and the ends having infinite genus. In this paper for a non-compact Riemann Surface $S_{m,s}$ with $s$ ends and exactly $m$ of them with infinite genus,…

Differential Geometry · Mathematics 2019-05-28 John A. Arredondo , Camilo Ramírez Maluendas

In this article, we have constructed an interesting type of generalized Schottky group, named as Fuchsian Schottky group of arbitrary finite rank, in the context of the classical Schottky group (i.e., Schottky curves which are Euclidean…

Differential Geometry · Mathematics 2024-01-01 Absos Ali Shaikh , Uddhab Roy

In this paper, we introduce a collection of purely loxodromic free Kleinian groups, called infinite Schottky group, which are defined by a suitable collection of simple loops in a similar way as in the case for Schottky groups of finite…

Geometric Topology · Mathematics 2026-04-17 Rubén A. Hidalgo

We show that any infinite-type surface without planar ends admits arbitrarily large families of length isospectral hyperbolic structures. If the surface has infinite genus and its space of ends is self-similar, we construct an uncountable…

Geometric Topology · Mathematics 2020-12-15 Federica Fanoni

In the theory of Teichm\"uller space of Riemann surfaces, we consider the set of Riemann surfaces which are quasiconformally equivalent. For topologically finite Riemann surfaces, it is quite easy to examine if they are quasiconformally…

Complex Variables · Mathematics 2019-08-30 Hiroshige Shiga

By Koebe's retrosection theorem, every closed Riemann surface of genus $g \geq 2$ is uniformized by a Schottky group. Marden observed that there are Schottky groups that are not classical ones, that is, they cannot be defined by a suitable…

Complex Variables · Mathematics 2025-10-16 Rubén A. Hidalgo

In this article we show that for any given Riemann surface $\Sigma$ of genus $g$, we can bound (from above) the renormalized volume of a (hyperbolic) Schottky group with boundary at infinity conformal to $\Sigma$ in terms of the genus and…

Differential Geometry · Mathematics 2025-02-24 Franco Vargas Pallete

We construct a quasiconformally homogeneous hyperbolic Riemann surface-other than the hyperbolic plane-that does not admit a bounded pants decomposition. Also, given a connected orientable topological surface of infinite type with compact…

Geometric Topology · Mathematics 2021-06-28 Ara Basmajian , Hugo Parlier , Nicholas G. Vlamis

We prove that every orientable infinite type surface without boundary and finite genus has a Riemann surface structure such that its modular group of quasiconformal homeomorphisms is countable.

Geometric Topology · Mathematics 2024-08-26 Rogelio Niño Hernández

We show the existence of 1-parameter families of non-periodic, complete, embedded minimal surfaces in euclidean space with infinitely many parallel planar ends. In particular we are able to produce finite genus examples and quasi-periodic…

Differential Geometry · Mathematics 2010-12-01 Filippo Morabito , Martin Traizet

We construct an infinite family of homologous, non-isotopic, symplectic surfaces of any genus greater than one in a certain class of closed, simply connected, symplectic four-manifolds. Our construction is the first example of this…

Geometric Topology · Mathematics 2018-12-24 B. Doug Park , Mainak Poddar , Stefano Vidussi

It is known that the order of a finite group of diffeomorphisms of a 3-dimensional handlebody of genus g > 1 is bounded by the linear polynomial 12(g-1), and that the order of a finite group of diffeomorphisms of a 4-dimensional handlebody…

Geometric Topology · Mathematics 2015-02-09 Mattia Mecchia , Bruno P. Zimmermann

Given a 2-manifold, a fundamental question to ask is which groups can be realized as the isometry group of a Riemannan metric of constant curvature on the manifold. In this paper, we give a nearly complete classification of such groups for…

Geometric Topology · Mathematics 2024-03-11 Tarik Aougab , Priyam Patel , Nicholas G. Vlamis

We study the pants complex of surfaces of infinite type. When $S$ is a surface of infinite type, the usual definition of the pants graph $\mathcal{P}(S)$ yields a graph with infinitely many connected-components. In the first part of our…

Geometric Topology · Mathematics 2021-04-19 B. Branman

The work is motivated by a result of Manin, which relates the Arakelov Green function on a compact Riemann surface to configurations of geodesics in a 3-dimensional hyperbolic handlebody with Schottky uniformization, having the Riemann…

Differential Geometry · Mathematics 2009-12-10 Majid Heydarpour

It is well known that the collection of uniformizations of a closed Riemann surface $S$ is partially ordered; the lowest ones are the Schottky unformizations, that is, tuples $(\Omega,\Gamma,P:\Omega \to S)$, where $\Gamma$ is a Schottky…

Geometric Topology · Mathematics 2013-07-10 Ruben. A. Hidalgo

We show that every countable subgroup $G<\rm GL_+(2,\mathbb{R})$ without contracting elements is the Veech group of a tame translation surface $S$ of infinite genus, for infinitely many different topological types of $S$. Moreover, we prove…

Geometric Topology · Mathematics 2016-03-03 Camilo Ramirez Maluendas , Ferran Valdez

Given a symmetry $\tau$ of a closed Riemann surface $S$, there exists an extended Kleinian group $K$, whose orientation-preserving half is a Schottky group $\Gamma$ uniformizing $S$, such that $K/\Gamma$ induces $\langle \tau \rangle$; the…

Geometric Topology · Mathematics 2022-02-28 Grzegorz Gromadzki , Ruben A. Hidalgo

Though the uniformization theorem guarantees an equivalence of Riemann surfaces and smooth algebraic curves, moving between analytic and algebraic representations is inherently transcendental. Our analytic curves identify pairs of circles…

Geometric Topology · Mathematics 2024-01-26 Samantha Fairchild , Ángel David Ríos Ortiz
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