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We study hypersurfaces with fractional mean curvature in N-dimensional Euclidean space. These hypersurfaces are critical points of the fractional perimeter under a volume constraint. We use local inversion arguments to prove existence of…

Analysis of PDEs · Mathematics 2018-04-06 Ignace Aristide Minlend , Alassane Niang , El Hadji Abdoulaye Thiam

We study a totally asymmetric simple exclusion process where jumps happen at rate one, except at the origin where the rate is lower. We prove a hydrodynamic scaling limit to a macroscopic profile described by a variational formula. The…

Probability · Mathematics 2007-05-23 Timo Seppalainen

In Part I we gave a polynomial growth lower-bound for the number of nodal domains of a Hecke-Maass cuspform in a compact part of the modular surface, assuming a Lindel\"of hypothesis. That was a consequence of a topological argument and…

Number Theory · Mathematics 2022-01-19 Amit Ghosh , Andre Reznikov , Peter Sarnak

The Hamiltonian dynamics of classical planar Heisenberg model is numerically investigated in two and three dimensions. By considering the dynamics as a geodesic flow on a suitable Riemannian manifold, it is possible to analytically estimate…

chao-dyn · Physics 2009-10-30 Lando Caiani , Lapo Casetti , Cecilia Clementi , Marco Pettini

In this paper, we study multiply transitive actions of the group of isometries of a cusped finite-volume hyperbolic 3-manifold on the set of its cusps. In particular, we prove a conjecture of Vogeler that there is a largest $k$ for which…

Geometric Topology · Mathematics 2019-12-10 John G. Ratcliffe , Steven T. Tschantz

We introduce a simple algorithm which transforms every four-dimensional cubulation into a cusped finite-volume hyperbolic four-manifold. Combinatorially distinct cubulations give rise to topologically distinct manifolds. Using this…

Geometric Topology · Mathematics 2013-10-24 Alexander Kolpakov , Bruno Martelli

We consider the time-dependent statistical distributions of diffusive processes in relaxation to a stationary state for simple, two dimensional chaotic models based upon random walks on a line. We show that the cumulative functions of the…

Chaotic Dynamics · Physics 2013-07-15 T. Gilbert , J. R. Dorfman , P. Gaspard

In this paper we prove a multifractal formalism of Birkhoff averages for interval maps with countably many branches. Furthermore, we prove that under certain regularity assumptions on the potential the Birkhoff spectrum is real analytic.…

Dynamical Systems · Mathematics 2015-11-04 Godofredo Iommi , Thomas Jordan

We apply extensive Monte Carlo simulations to study the probability distribution $P(m)$ of the order parameter $m$ for the simple cubic Ising model with periodic boundary condition at the transition point. Sampling is performed with the…

Computational Physics · Physics 2020-03-18 Jiahao Xu , Alan M. Ferrenberg , David P. Landau

We establish an extreme value theorem for the geodesic flow on the hyperbolic surface $\Theta\backslash\mathbb{H}^2$ associated with the theta group $\Theta$. To capture excursions into both cusps of this surface, we introduce a generalized…

Dynamical Systems · Mathematics 2026-03-10 Jaelin Kim , Seul Bee Lee , Seonhee Lim

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

We prove a complete realization theorem for multifractal entropy spectra of continuous potentials on a broad class of dynamical systems. More precisely, for every $H>0$ and every continuous concave function on a compact interval with…

Dynamical Systems · Mathematics 2026-05-21 Xiaobo Hou , Xueting Tian

We give a description of the level sets in the higher dimensional multifractal formalism for infinite conformal graph directed Markov systems. If these systems possess a certain degree of regularity this description is complete in the sense…

Dynamical Systems · Mathematics 2010-09-10 Marc Kesseböhmer , Mariusz Urbanski

We consider the multifractal analysis of the pointwise dimension for Gibbs measures on countable Markov shifts. Our paper analyses the set of non-analytic points or phase transitions of the multifractal spectrum. By Sarig's thermodynamic…

Dynamical Systems · Mathematics 2016-07-19 Jason Tomas Dungca

The goal of multifractal analysis is to characterize the variations in local regularity of functions or signals by computing the Hausdorff dimension of the sets of points that share the same regularity. While classical approaches rely on…

Classical Analysis and ODEs · Mathematics 2025-10-02 Esser Céline , Lambert Thelma , Vedel Béatrice

In this paper, we perform a multifractal analysis of Birkhoff averages for interval maps with finitely many branches and parabolic fixed points. Using the thermodynamic approach, we strengthen the results of Johansson et al. on the…

Dynamical Systems · Mathematics 2025-10-21 Yuya Arima

Turbulent flows driven by a vertically invariant body force were proven to become exactly two-dimensional above a critical rotation rate, using upper bound theory. This transition in dimensionality of a turbulent flow has key consequences…

Fluid Dynamics · Physics 2023-07-19 Kannabiran Seshasayanan , Basile Gallet

We prove a quantitative distortion theorem for iterated function systems that generate sets of continued fractions. As a consequence, we obtain upper and lower bounds on the Hausdorff dimension of any set of real or complex continued…

Number Theory · Mathematics 2020-02-25 Daniel Ingebretson

We present new methods to construct a Ruelle-Pollicott spectrum for the geodesic flow on manifolds with strictly negative curvature and a finite number of hyperbolic cusps.

Spectral Theory · Mathematics 2020-03-20 Yannick Guedes Bonthonneau , Tobias Weich

A simple multi-physical system for the potential flow of a fluid through a shroud in which a mechanical component, like a turbine vane, is placed, is modeled mathematically. We then consider a multi criteria shape optimization problem, when…

Optimization and Control · Mathematics 2020-10-29 Hanno Gottschalk , Marco Reese