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We relate the asymptotic representation theory of $SL(d,\mathbb{Z}_p)$ and the singularities of the moduli space of $SL(d)$-local systems on a smooth projective curve, proving new theorems about both. Regarding the former, we prove that,…

Algebraic Geometry · Mathematics 2014-02-26 Avraham Aizenbud , Nir Avni

A logarithmic type modulus of continuity is established for weak solutions to a two-phase Stefan problem, up to the parabolic boundary of a cylindrical space-time domain. For the Dirichlet problem, we merely assume that the spatial domain…

Analysis of PDEs · Mathematics 2021-02-23 Naian Liao

Implicit constitutive theory provides a very general framework for fluid flow models, including both Newtonian and generalized Newtonian fluids, where the Cauchy stress tensor and the rate of strain tensor are assumed to be related by an…

Numerical Analysis · Mathematics 2019-02-22 Endre Süli , Tabea Tscherpel

In view of classical results of Masur and Veech almost every element in the moduli space of compact translation surfaces is recurrent. In this paper we focus on the problem of recurrence for elements of smooth curves in the moduli space. We…

Dynamical Systems · Mathematics 2021-05-19 Krzysztof Frączek

We study isometric embeddings of a Euclidean space or a Heisenberg group into a higher dimensional Heisenberg group, where both the source and target space are equipped with an arbitrary left-invariant homogeneous distance that is not…

Metric Geometry · Mathematics 2017-11-27 Zoltán M. Balogh , Katrin Fässler , Hernando Sobrino

We extend the recent result of T.Tao to wave maps defined from the Minkowski space of dimension >4 to a target Riemannian manifold which possesses a ``bounded parallelizable'' structure. This is the case of Lie groups, homogeneous spaces as…

Analysis of PDEs · Mathematics 2007-05-23 S. Klainerman , I. Rodnianski

In this paper, we consider the asymptotic behavior of two Teichm\"uller geodesic rays determined by Jenkins-Strebel differentials, and we obtain a generalization of a theorem in \cite{Amano14}. We also consider the infimum of the asymptotic…

Geometric Topology · Mathematics 2014-02-18 Masanori Amano

We consider the Teichmuller flow on the unit cotangent bundle of the moduli space of compact Riemann surfaces with punctures. We show that it is exponentially mixing for the Ratner class of observables. More generally, this result holds for…

Dynamical Systems · Mathematics 2009-08-10 Artur Avila , Maria Joao Resende

A large class of real $3$-dimensional nilpotent polynomial vector fields of arbitrary degree is considered. The aim of this work is to present general properties of the discrete and continuous dynamical systems induced by these vector…

Dynamical Systems · Mathematics 2022-09-16 Álvaro Castañeda , Salomón Rebollo-Perdomo

We construct an explicit family of arithmetic Teichm\"uller curves $\mathcal{C}_{2k}$, $k\in\mathbb{N}$, supporting $\textrm{SL}(2,\mathbb{R})$-invariant probabilities $\mu_{2k}$ such that the associated…

Dynamical Systems · Mathematics 2014-08-06 Carlos Matheus , Gabriela Weitze-Schmithüsen

Let $X/\mathbb{F}_{q}$ be a smooth geometrically connected variety. Inspired by work of Corlette-Simpson over $\mathbb{C}$, we formulate a conjecture that absolutely irreducible rank 2 local systems with infinite monodromy on $X$ come from…

Algebraic Geometry · Mathematics 2021-06-25 Raju Krishnamoorthy , Ambrus Pál

We show that for many strata of Abelian differentials in low genus the sum of Lyapunov exponents for the Teichmueller geodesic flow is the same for all Teichmueller curves in that stratum, hence equal to the sum of Lyapunov exponents for…

Dynamical Systems · Mathematics 2012-07-18 Dawei Chen , Martin Moeller

We study the structure of the Mather and Aubry sets for the family of lagrangians given by the kinetic energy associated to a riemannian metric $ g$ on a closed manifold $ M$. In this case the Euler-Lagrange flow is the geodesic flow of…

Dynamical Systems · Mathematics 2020-05-07 Gonzalo Contreras , José Antônio G. Miranda

In this paper, we generalize the finite generation result of Sormani to non-branching $RCD(0,N)$ geodesic spaces (and in particular, Alexandrov spaces) with full support measures. This is a special case of the Milnor's Conjecture for…

Metric Geometry · Mathematics 2018-07-24 Yu Kitabeppu , Sajjad Lakzian

We consider a geodesic flow on a compact manifold endowed with a Riemannian (or Finsler, or Lorentz) metric satisfying some generic, explicit conditions. We couple the geodesic flow with a time-dependent potential, driven by an external…

Dynamical Systems · Mathematics 2013-07-08 Marian Gidea , Rafael de la Llave

We consider the approximation of minimal geodesics between two closed sets in $\mathbb{R}^D$ endowed with a smooth Riemannian metric. The continuous problem is formulated as the minimization of the energy functional over piecewise smooth…

Numerical Analysis · Mathematics 2026-04-28 Akira Kitaoka

We study the Rayleigh-Stokes problem for a generalized second-grade fluid which involves a Riemann-Liouville fractional derivative in time, and present an analysis of the problem in the continuous, space semidiscrete and fully discrete…

Numerical Analysis · Mathematics 2015-01-05 Emilia Bazhlekova , Bangti Jin , Raytcho Lazarov , Zhi Zhou

It is known that if each point $x$ of a dynamical system is generic for some invariant measure $\mu_x$, then there is a strong connection between certain ergodic and topological properties of that system. In particular, if the acting group…

Dynamical Systems · Mathematics 2025-06-04 Gabriel Fuhrmann , Maik Gröger , Till Hauser

We consider the minimal discrete and continuous energy problems on the unit sphere $\mathbb{S}^d$ in the Euclidean space $\mathbb{R}^{d+1}$ in the presence of an external field due to finitely many localized charge distributions on…

Mathematical Physics · Physics 2017-06-29 Johann S. Brauchart , Peter D. Dragnev , Edward B. Saff , Robert S. Womersley

We state conjectures on the asymptotic behavior of the volumes of moduli spaces of Abelian differentials and their Siegel-Veech constants as genus tends to infinity. We provide certain numerical evidence, describe recent advances and the…

Geometric Topology · Mathematics 2016-11-24 Alex Eskin , Anton Zorich