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We prove ergodicity of unitary random-matrix theories by showing that the autocorrelation function with respect to energy or magnetic field strength of any observable vanishes asymptotically. We do so using Efetov's supersymmetry method, a…

介观与纳米尺度物理 · 物理学 2009-10-31 Z. Pluhar , H. A. Weidenmueller

We construct asymptotically Euclidean solutions of the vacuum Einstein constraint equations with an apparent horizon boundary condition. Specifically, we give sufficient conditions for the constant mean curvature conformal method to…

广义相对论与量子宇宙学 · 物理学 2015-06-25 David Maxwell

Let the warped product $M^n=L^m\times_\varphi F^{n-m}$, $n\geq m+3\geq 8$, of Riemannian manifolds be an Einstein manifold with Ricci curvature $\rho$ that admits an isometric immersion into Euclidean space with codimension two. Under the…

微分几何 · 数学 2022-10-19 M. Dajczer , C. -R. Onti , Th. Vlachos

We prove the existence of a large class of asymptotically flat initial data with non-vanishing mass and angular momentum for which the metric and the extrinsic curvature have asymptotic expansions at space-like infinity in terms of powers…

广义相对论与量子宇宙学 · 物理学 2009-11-07 Sergio Dain , Helmut Friedrich

We consider the scattering of massless particles coupled to an abelian gauge field in 2n-dimensional Minkowski spacetime. Weinberg's soft photon theorem is recast as Ward identities for infinitely many new nontrivial symmetries of the…

高能物理 - 理论 · 物理学 2014-12-10 Daniel Kapec , Vyacheslav Lysov , Andrew Strominger

We prove the claim in the title under mild conditions which are usually satisfied when trying to establish asymptotic normality. We assume strictly stationary and absolutely regular data.

统计理论 · 数学 2024-05-13 Marius Kroll

We study asymptotically harmonic manifolds of negative curvature, without any cocompactness or homogeneity assumption. We show that asymptotic harmonicity provides a lot of information on the asymptotic geometry of these spaces: in…

微分几何 · 数学 2019-07-25 Philippe Castillon , Andrea Sambusetti

In this paper, we analyze the asymptotic behavior of $\kappa$-noncollapsed and positively curved steady Ricci solitons and prove that any $n$-dimensional $\kappa$-noncollapsed steady K\"ahler-Ricci soliton with non-negative sectional…

微分几何 · 数学 2017-01-17 Yuxing Deng , Xiaohua Zhu

The assumption that a solution to the Einstein equations is static (or stationary) very strongly constrains the asymptotic behaviour of the metric. It is shown that one need only impose very weak differentiability and decay conditions {\it…

广义相对论与量子宇宙学 · 物理学 2010-04-06 Daniel Kennefick , Niall Ó Murchadha

We investigate CAT(0) metric spaces whose associated Tits boundary is compact. Prominent examples of such spaces are of course the euclidean ones. However there exist non trivial geodesically complete CAT(0) spaces with compact Tits…

度量几何 · 数学 2011-06-06 Aurélien Bosché

We prove that the metric space associated with a uniformly distributed planar quadrangulation with n faces and no pendant vertices converges modulo a suitable rescaling to the Brownian map. This is a first step towards the extension of…

概率论 · 数学 2013-09-27 Johel Beltran , Jean-François Le Gall

We study the existence of Riemannian metrics with zero topological entropy on a closed manifold M with infinite fundamental group. We show that such a metric does not exist if there is a finite simply connected CW complex which maps to M in…

微分几何 · 数学 2007-05-23 Gabriel P. Paternain , Jimmy Petean

Each Abelian subgroup of the fundamental group of a compact and locally simply connected $d$-dimensional length space with no conjugate points is isomorphic to $\mathbb{Z}^k$ for some $0 \leq k \leq d$. It follows from this and previously…

微分几何 · 数学 2025-04-24 James Dibble

In this paper, we study the Minkowski-type inequality for asymptotically flat static manifolds $(M^{n}, g)$ with boundary and with dimension $ n < 8$ that was establishedby McCormick. First, we show that any asymptotically flat static…

微分几何 · 数学 2024-01-23 Brian Harvie , Ye-Kai Wang

We show that the constructions of $C^{1,\alpha}$ asymptotically self-similar singularities for the 3D Euler equations by Elgindi, and for the 3D Euler equations with large swirl and 2D Boussinesq equations with boundary by Chen-Hou can be…

偏微分方程分析 · 数学 2023-09-07 Jiajie Chen

In this paper we derive a refined asymptotic expansion, near an isolated singularity, for conformally flat metrics with constant positive Q-curvature and positive scalar curvature. The condition that the metric has constant Q-curvature…

微分几何 · 数学 2020-01-23 Jesse Ratzkin

Given a collection of N asymptotically Euclidean ends with zero scalar curvature, we construct a Riemannian manifold with zero scalar curvature and one asymptotically Euclidean end, whose boundary has a neighborhood isometric to the…

广义相对论与量子宇宙学 · 物理学 2009-09-08 Piotr T. Chruściel , Justin Corvino , James Isenberg

In this article, we prove the Riemannian Penrose inequality for asymptotically flat manifolds with non-compact boundary whose asymptotic region is modelled on a half-space. Such spaces were initially considered by Almaraz, Barbosa and de…

微分几何 · 数学 2020-01-15 Thomas Koerber

It is shown that there exist families of asymptotically flat solutions of the Einstein equations coupled to the Vlasov equation describing a collisionless gas which have a Newtonian limit. These are sufficiently general to confirm that for…

广义相对论与量子宇宙学 · 物理学 2009-10-22 Alan D. Rendall

Let U be a homogeneous variety over Q of a linear algebraic group. Choose an integral model and assume the existence of infinitely many integral points. Then one would like to give an asymptotic count of integral points of bounded height…

动力系统 · 数学 2024-11-27 Runlin Zhang