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In this paper we will consider the 2-fold symmetric complex hyperbolic triangle groups generated by three complex reflections through angle 2pi/p with p no smaller than 2. We will mainly concentrate on the groups where some elements are…

Algebraic Topology · Mathematics 2017-04-20 John R. Parker , Li-Jie Sun

We construct combinatorial volume forms of hyperbolic three manifolds fibering over the circle. These forms define non-trivial classes in bounded cohomology. After introducing a new seminorm on exact bounded cohomology, we use these…

In this article we introduce a gluing orbit property, weaker than specification, for both maps and flows. We prove that flows with the $C^1$-robust gluing orbit property are uniformly hyperbolic and that every uniformly hyperbolic flow…

Dynamical Systems · Mathematics 2018-03-23 Thiago Bomfim , Paulo Varandas

We study limit cycles in piecewise complex systems with switching manifold $\mathbb{S}^1$. Using M\"obius transformations we establish an equivalence between circular and straight-line discontinuities that preserves periods, stability, and…

Dynamical Systems · Mathematics 2026-04-30 Gabriel Rondón , Paulo R. da Silva , Jaume Llibre

We study fixed point sets for holomorphic automorphisms (and endomorphisms) on complex manifolds. The main object of our interest is to determine the number and configuration of fixed points that forces an automorphism (endomorphism) to be…

Complex Variables · Mathematics 2007-05-23 Buma L. Fridman , Daowei Ma , Jean-Pierre Vigue

Bounded-type 3-manifolds arise as combinatorially bounded gluings of irreducible 3-manifolds chosen from a finite list. We prove effective hyperbolization and effective rigidity for a broad class of 3-manifolds of bounded type and large…

Geometric Topology · Mathematics 2017-05-17 Jeffrey Brock , Yair Minsky , Hossein Namazi , Juan Souto

We extend Donaldson's asymptotically holomorphic techniques to symplectic orbifolds. More precisely, given a symplectic orbifold such that the symplectic form defines an integer cohomology class, we prove that there exist sections of large…

Symplectic Geometry · Mathematics 2022-02-21 Fabio Gironella , Vicente Muñoz , Zhengyi Zhou

This paper shows that every Gromov hyperbolic group can be described by a finite subdivision rule acting on the 3-sphere. This gives a boundary-like sequence of increasingly refined finite cell complexes which carry all quasi-isometry…

Geometric Topology · Mathematics 2017-08-09 Brian Rushton

The classification problem is solved for some type of nonlinear lattices. These lattices are closely related to the lattices of Ruijsenaars-Toda type and define the Backlund auto-transformations for the class of two-component hyperbolic…

Exactly Solvable and Integrable Systems · Physics 2008-04-24 Vsevolod E. Adler , Alexey B. Shabat

In this paper we are concerned with $L^p$-maximal parabolic regularity for abstract nonautonomous parabolic systems and their quasilinear counterpart in negative Sobolev spaces incorporating mixed boundary conditions. Our results are…

Analysis of PDEs · Mathematics 2023-12-22 Hannes Meinlschmidt

We consider the open two-site Bose-Hubbard dimer, a well-known quantum mechanical model that has been realised recently for photons in two coupled photonic crystal nanocavities. The system is described by a Lindblad master equation which,…

Quantum Physics · Physics 2022-02-09 Andrus Giraldo , Stuart J. Masson , Neil G. R. Broderick , Bernd Krauskopf

See math.CV/0509030 which replaces this paper.

Complex Variables · Mathematics 2007-05-23 A. V. Isaev

We investigate stability properties of indirectly damped systems of evolution equations in Hilbert spaces, under new compatibility assumptions. We prove polynomial decay for the energy of solutions and optimize our results by interpolation…

Optimization and Control · Mathematics 2014-01-29 F. Alabau-Boussouira , P. Cannarsa , R. Guglielmi

We prove that if $f:\mathbb{B}^n \to \mathbb{B}^n$, for $n\geq 2$, is a homeomorphism with bounded skew over all equilateral hyperbolic triangles, then $f$ is in fact quasiconformal. Conversely, we show that if $f:\mathbb{B}^n \to…

Complex Variables · Mathematics 2019-09-26 C. Ackermann , A. Fletcher

We obtain a family of first-order symmetric hyperbolic systems for the Bianchi equations. They have only physical characteristics: the light cone and timelike hypersurfaces. In the proof of the hyperbolicity, new positivity properties of…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Miguel Á. G. Bonilla

In this paper we present some theorems for a class of non--hyperbolic fixed points on ${\bf R}^N$ and then analyze a family of functions $f_{\theta}$ on the plane which have a non--hyperbolic fixed point in the origin. The dynamical…

chao-dyn · Physics 2008-02-03 Maria Morandi Cecchi , Luca Salasnich

In this paper, a classification of semidiscrete equations of hyperbolic type is carried out. We study the class of equations of the form $$\frac{du_{n+1}}{dx}=f\left(\frac{du_{n}}{dx},u_{n+1},u_{n}\right),$$ here is the unknown function…

Exactly Solvable and Integrable Systems · Physics 2023-07-06 R. N. Garifullin

Assuming that every hyperbolic group is residually finite, we prove the congruence subgroup property for mapping class groups of hyperbolic surfaces of finite type. Under the same assumption, it follows that profinitely equivalent…

Group Theory · Mathematics 2024-11-26 Henry Wilton , Alessandro Sisto

Let ($M$, $\Omega$) be a smooth symplectic manifold and $f:M\rightarrow M$ be a symplectic diffeomorphism of class $C^l$ ($l\geq 3$). Let $N$ be a compact submanifold of $M$ which is boundaryless and normally hyperbolic for $f$. We suppose…

Dynamical Systems · Mathematics 2014-07-16 Lara Sabbagh

This paper is subsequent to [5]. In this paper, we extend the classification of hyperbolic Dehn fillings with sufficiently large coefficients by addressing the remaining case not covered in [5]. Specifically, by considering the case in…

Geometric Topology · Mathematics 2025-12-19 BoGwang Jeon