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It is known that the asymptotic invariant manifolds around an unstable periodic orbit in conservative systems can be represented by convergent series (Cherry 1926, Moser 1956, 1958, Giorgilli 2001). The unstable and stable manifolds…

Chaotic Dynamics · Physics 2014-08-14 C. Efthymiopoulos , G. Contopoulos , M. Katsanikas

We consider the Cauchy problem for the isentropic compressible Euler equations in a three-dimensional periodic domain under general pressure laws. For any smooth initial density away from the vacuum, we construct infinitely many entropy…

Analysis of PDEs · Mathematics 2022-07-13 Vikram Giri , Hyunju Kwon

We study relations between transitivity, mixing and periodic points on dendrites. We prove that when there is a point with dense orbit which is not an endpoint, then periodic points are dense and there is a terminal periodic decomposition…

Dynamical Systems · Mathematics 2018-09-20 Gerardo Acosta , Rodrigo Hernández-Gutiérrez , Issam Naghmouchi , Piotr Oprocha

The persistent currents driven by the pure Aharonov-Bohm type magnetic field in mesoscopic normal metal or semiconducting cylinders are studied. A two-dimensional (2D) Fermi surfaces are characterized by four parameters. Several conditions…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 M. Stebelski , M. Szopa , E. Zipper

Let f be a dominating meromorphic self-map of a compact Kahler manifold. We give an inequality for the Lyapounov exponents of some ergodic measures of f using the metric entropy and the dynamical degrees of f. We deduce the hyperbolicity of…

Dynamical Systems · Mathematics 2009-11-11 Henry de Thelin

The present work deals with the resolution of the Poisson equation in a bounded domain made of a thin and periodic layer of finite length placed into a homogeneous medium. We provide and justify a high order asymptotic expansion which takes…

Analysis of PDEs · Mathematics 2015-06-24 Bérangère Delourme , Kersten Schmidt , Adrien Semin

In this paper, we extend the concept of finite entropy measures in K\"ahler geometry. We define the finite $p$-entropy related to $\omega$-plurisubharmonic functions and demonstrate their inclusion in an appropriate energy class. Our study…

Differential Geometry · Mathematics 2024-08-14 P. Åhag , R. Czyż

We consider the Cauchy problem for the isentropic compressible Euler-Maxwell equations under general pressure laws in a three-dimensional periodic domain. For any smooth initial electron density away from the vacuum and smooth…

Analysis of PDEs · Mathematics 2023-05-23 Shunkai Mao , Peng Qu

We establish upper bounds on the diameter of compact K\"ahler manifolds endowed with K\"ahler metrics whose volume form satisfies an Orlicz integrability condition. Our results extend previous estimates due to Fu-Guo-Song, Y.Li, and…

Differential Geometry · Mathematics 2023-11-01 Vincent Guedj , Henri Guenancia , Ahmed Zeriahi

We continue our study of the dynamics of mappings with small topological degree on (projective) complex surfaces. Previously, under mild hypotheses, we have constructed an ergodic ``equilibrium'' measure for each such mapping. Here we study…

Dynamical Systems · Mathematics 2009-09-10 Jeffrey Diller , Romain Dujardin , Vincent Guedj

In this paper, we describe the intersection between geodesic and conformal currents on closed hyperbolic three-manifolds. We use this to prove some sharp bounds which involve the Liouville entropy of a negatively curved metric, the minimal…

Differential Geometry · Mathematics 2024-05-28 Fernando C. Marques , André Neves

We relate the L^2 cohomology of a complete hyperbolic manifold to the invariant currents on its limit set.

Differential Geometry · Mathematics 2007-05-23 John Lott

Periodic Geometry studies isometry invariants of periodic point sets that are also continuous under perturbations. The motivations come from periodic crystals whose structures are determined in a rigid form but any minimal cells can…

Computational Geometry · Computer Science 2023-01-13 Olga Anosova , Vitaliy Kurlin

We study the compact embedding between smoothness Morrey spaces on bounded domains and characterise its entropy numbers. Here we discover a new phenomenon when the difference of smoothness parameters in the source and target spaces is…

Functional Analysis · Mathematics 2020-04-22 Dorothee D. Haroske , Leszek Skrzypczak

This is the second paper of a series of three on the regularity of higher codimension area minimizing integral currents. Here we perform the second main step in the analysis of the singularities, namely the construction of a center…

Differential Geometry · Mathematics 2015-10-01 Camillo De Lellis , Emanuele Spadaro

We define a (mean curvature flow) entropy for Radon measures in $\mathbb{R}^n$ or in a compact manifold. Moreover, we prove a monotonicity formula of the entropy of the measures associated with the parabolic Allen-Cahn equations. If the…

Differential Geometry · Mathematics 2021-02-10 Ao Sun

We give an account of old and new results concerning many types of non-K\"ahler metrics, with focus on the problem of their coexistence on compact complex manifolds, and their behaviour at deformations and blow-up. We also describe a…

Differential Geometry · Mathematics 2025-05-06 Liviu Ornea , Miron Stanciu

In this paper, we prove that for a given surjective holomorphic endomorphism $f$ of a compact K\"ahler manifold $X$ and for some integer $p$ with $1\le p\le k$, there exists a proper invariant analytic subset $E$ for $f$ such that if $S$ is…

Complex Variables · Mathematics 2024-05-02 Taeyong Ahn

In this work, we introduce the notion of entropy at infinity, and define a wide class of noncompact manifolds with negative curvature, those which admit a critical gap between entropy at infinity and topological entropy. We call them…

Dynamical Systems · Mathematics 2018-02-15 Barbara Schapira , Samuel Tapie

Refining Yau's and Kolodziej's techniques, we establish very precise uniform a priori estimates for degenerate complex Monge-Amp\`ere equations on compact K\"ahler manifolds, that allow us to control the blow up of the solutions as the…

Complex Variables · Mathematics 2026-02-06 Eleonora Di Nezza , Vincent Guedj , Henri Guenancia