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Related papers: Linearization of complex hyperbolic Dulac germs

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We survey several methods of extending quasisymmetric homeomorphisms of the real line to bi-Lipschitz diffeomorphisms of the upper half-plane with respect to the hyperbolic metric.

Complex Variables · Mathematics 2024-06-12 Katsuhiko Matsuzaki

We show that the asymptotic dimension of a hyperbolic relatively hyperbolic graph is finite provided that this holds true uniformly for the peripheral subgraphs and for the electrifiation. We use this to show that the asymptotic dimension…

Geometric Topology · Mathematics 2019-03-20 Ursula Hamenstaedt

We discuss several topics related to the notion of strong hyperbolicity which are of interest in general relativity. After introducing the concept and showing its relevance we provide some covariant definitions of strong hyperbolicity. We…

General Relativity and Quantum Cosmology · Physics 2017-08-07 Oscar Reula

We study Siegel's center problem on the linearization of germs of diffeomorphisms in one variable. In addition of the classical problems of formal and analytic linearization, we give sufficient conditions for the linearization to belong to…

Dynamical Systems · Mathematics 2007-05-23 T. Carletti , S. Marmi

We give the general form for a germ of holonomic distribution of one complex variable.

Classical Analysis and ODEs · Mathematics 2007-05-23 Claude Sabbah

We consider a singular holomorphic foliation $\uF$ defined near a compact curve $\uC$ of a complex surface. Under some hypothesis on $(\uF,\uC)$ we prove that there exists a system of tubular neighborhoods $U$ of a curve $\underline{\mc D}$…

Dynamical Systems · Mathematics 2012-06-12 David Marín , Jean-François Mattei

This paper focuses on the Kakimizu complex of a hyperbolic knot $K$. We define a complex $IS_\ell(K)$ to study incompressible Seifert surfaces of genus at most $\ell$, and prove that it is connected and that its diameter admits a linear…

Geometric Topology · Mathematics 2026-02-16 Xiao Chen , Wujie Shen

We prove sharp bounds for the product and the sum of the hyperbolic lengths of a pair of hyperbolic adjacent sides of hyperbolic Lambert quadrilaterals in the unit disk. We also show the H\"older convexity of the inverse hyperbolic sine…

Metric Geometry · Mathematics 2018-10-04 Gendi Wang

It is proved that the germ of a holomorphic map from a real analytic hypersurface M in C^n into a strictly pseudoconvex compact real algebraic hypersurface M' in C^N, 1 < n < N extends holomorphically along any path on M.

Complex Variables · Mathematics 2007-05-23 Rasul Shafikov , Kaushal Verma

We give a short and purely bilinear proof of the fact that two chains of $p$-elementary lattices with quadratic form or alternating bilinear form over the $p$-adic integers ore more generally over a complete discrete valuation ring have…

Number Theory · Mathematics 2019-07-02 Rainer Schulze-Pillot

Very recently, it was proved that if the hyperbolic metric of a planar Jordan domain is $L^q$-integrable for some $q\in (1,\infty)$, then every homeomorphic parametrization of the boundary Jordan curve via the unit circle can be extended to…

Complex Variables · Mathematics 2025-06-13 Xilin Zhou

We provide a geometric condition ensuring that a very general element of a complete linear system on an abelian variety is Kobayashi hyperbolic. Some related conjectures are also given.

Algebraic Geometry · Mathematics 2025-12-19 Federico Caucci

In this paper we continue the study of non-diagonalisable hyperbolic systems with variable multiplicity started by the authors in \cite{Garetto2018}. In the case of space dependent coefficients, we prove a representation formula for…

Analysis of PDEs · Mathematics 2020-01-15 Claudia Garetto , Christian Jäh , Michael Ruzhansky

We proof here the existence of a topological thick and thin decomposition of any closed definable thick isolated singularity germ in the spirit of the recently discovered metric thick and thin decomposition of complex normal surface…

Metric Geometry · Mathematics 2012-08-22 Lev Birbrair , Alexandre Fernandes , Vincent Grandjean

A while ago MLC (the conjecture that the Mandelbrot set is locally connected) was proven for quasi-hyperbolic points by Douady and Hubbard, and for boundaries of hyperbolic components by Yoccoz. More recently Yoccoz proved MLC for all at…

Dynamical Systems · Mathematics 2016-09-06 Mikhail Lyubich

We define a generalized Berezin transforms on line bundle over the complex hyperbolic space and we give it as a functions of the G-invariant laplacian on the line bundles.

Spectral Theory · Mathematics 2017-04-27 Nour Eddine Askour

In this paper we continue the analysis of non-diagonalisable hyperbolic systems initiated in \cite{GarJRuz, GarJRuz2}. Here we assume that the system has discontinuous coefficients or more in general distributional coefficients.…

Analysis of PDEs · Mathematics 2024-02-09 Claudia Garetto , Bolys Sabitbek

Let G be a graph of hyperbolic groups with 2-ended edge groups. We show that G is hierarchically hyperbolic if and only if G has no distorted infinite cyclic subgroup. More precisely, we show that G is hierarchically hyperbolic if and only…

Group Theory · Mathematics 2020-07-28 Bruno Robbio , Davide Spriano

In this paper we give a combinatorial description of the renormlization limits of infinitely renormalizable unimodal maps with {\it essentially bounded} combinatorics admitting quadratic-like complex extensions. As an application we…

Dynamical Systems · Mathematics 2016-09-07 Benjamin Hinkle

Given a lattice Veech group in the mapping class group of a closed surface $S$, this paper investigates the geometry of $\Gamma$, the associated $\pi_1S$--extension group. We prove that $\Gamma$ is the fundamental group of a bundle with a…

Geometric Topology · Mathematics 2024-03-08 Spencer Dowdall , Matthew G. Durham , Christopher J. Leininger , Alessandro Sisto
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