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Related papers: Local spectral convergence in $RCD^*(K,N)$ spaces

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We consider random $n\times n$ matrices $X$ with independent and centered entries and a general variance profile. We show that the spectral radius of $X$ converges with very high probability to the square root of the spectral radius of the…

Probability · Mathematics 2022-09-29 Johannes Alt , Laszlo Erdos , Torben Krüger

A criterion and necessary conditions for convergence (local continuity) of the quantum relative entropy are obtained. Some applications of these results are considered. In particular, the preservation of local continuity of the quantum…

Quantum Physics · Physics 2023-07-14 M. E. Shirokov

In this paper, we give the characterization of metric measure spaces that satisfy synthetic lower Riemannian Ricci curvature bounds (so called $RCD^*(K,N)$ spaces) with \emph{non-empty} one dimensional regular sets. In particular, we prove…

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

We prove existence and uniqueness of optimal maps on $RCD^*(K,N)$ spaces under the assumption that the starting measure is absolutely continuous. We also discuss how this result naturally leads to the notion of exponentiation.

Differential Geometry · Mathematics 2013-05-22 Nicola Gigli , Tapio Rajala , Karl-Theodor Sturm

This paper deals with local convexity properties of the j-metric. We consider convexity and starlikeness of the j-metric balls in convex, starlike and general subdomains of R^n.

Metric Geometry · Mathematics 2009-10-14 Riku Klen

In this paper we continue our study of local rigidity for maps of CR submanifolds of the complex space. We provide a linear sufficient condition for local rigidity of finitely nondegenerate maps between minimal CR manifolds. Furthermore, we…

Complex Variables · Mathematics 2021-06-15 Giuseppe della Sala , Bernhard Lamel , Michael Reiter

The purpose of this article is to present a short review of local conformal symmetry in curved 4d space-time. Furthermore we discuss the conformal anomaly and anomaly-induced effective actions. Despite the conformal symmetry is always…

High Energy Physics - Theory · Physics 2009-02-25 Ilya L. Shapiro

This paper deals with local criteria for the convergence to a global minimiser for gradient flow trajectories and their discretisations. To obtain quantitative estimates on the speed of convergence, we consider variations on the classical…

Optimization and Control · Mathematics 2024-05-01 Lorenzo Dello Schiavo , Jan Maas , Francesco Pedrotti

In this paper, we study harmonic RCD$(K,N)$ spaces as the counterpart of harmonic Riemannian manifolds with Ricci curvature bounded from below. We prove that a compact RCD$(K,N)$ space is isometric to a smooth closed Riemannian manifold if…

Differential Geometry · Mathematics 2025-10-14 Zhangkai Huang

Quantitative versions of mode stability type statements for the wave equation on Kerr-Newman black holes are proven for the full sub-extremal range. The mode stability result on the real axis is then applied to prove integrated local energy…

General Relativity and Quantum Cosmology · Physics 2014-05-15 Damon Civin

Some geometric facts concerning sets with positive reach in the Euclidean $d$-dimensional space ${\bf E}^d$ are proved. For $x_1$ and $x_2$ in ${\bf E}^d$ and $R>0$ let us denote by ${\mathfrak H}(x_1,x_2,R)$ the intersection of all closed…

Metric Geometry · Mathematics 2007-05-23 Andrea Colesanti , Paolo Manselli

We characterize the event of convergence of a local supermartingale. Conditions are given in terms of its predictable characteristics and quadratic variation. The notion of stationarily local integrability plays a key role.

Probability · Mathematics 2020-03-16 Martin Larsson , Johannes Ruf

We extend Allard's celebrated rectifiability theorem to the setting of varifolds with locally bounded first variation with respect to an anisotropic integrand. In particular, we identify a sufficient and necessary condition on the integrand…

Analysis of PDEs · Mathematics 2016-11-15 Guido De Philippis , Antonio De Rosa , Francesco Ghiraldin

Using a local analog of the Wiener-Levi theorem, we investigate the class of measures on Euclidean space with discrete support and spectrum. Also, we find a new sufficient conditions for a discrete set in Euclidean space to be a coherent…

Classical Analysis and ODEs · Mathematics 2019-10-30 Serhii Favorov

The local spectrum of a vertex set in a graph has been proven to be very useful to study some of its metric properties. It also has applications in the area of pseudo-distance-regularity around a set and can be used to obtain quasi-spectral…

Combinatorics · Mathematics 2012-12-18 M. Cámara , J. Fàbrega , M. A. Fiol , E. Garriga

We consider a rigidity problem for the spectral gap of the Laplacian on an $RCD(K,\infty)$-space (a metric measure space satisfying the Riemannian curvature-dimension condition) for positive $K$. For a weighted Riemannian manifold,…

Differential Geometry · Mathematics 2017-09-14 Nicola Gigli , Christian Ketterer , Kazumasa Kuwada , Shin-ichi Ohta

In this paper we provide spectral inclusion and mapping theorems for strongly continuous locally equicontinuous semigroups on Hausdorff locally convex spaces. Our results extend the classical spectral inclusion and mapping theorems for…

Functional Analysis · Mathematics 2025-09-16 Karsten Kruse

This paper introduces the notion of local spectral expansion of a simplicial complex as a possible analogue of spectral expansion defined for graphs. We show the condition of local spectral expansion has several nice implications. For…

Combinatorics · Mathematics 2015-03-26 Izhar Oppenheim

We prove the strong convergence of the spectrum of the kinetic Brownian motion to the spectrum of base Laplacian for a large class of compact locally Riemannian homogeneous spaces, in particular all compact locally symmetric spaces. This…

Spectral Theory · Mathematics 2022-08-30 Qiuyu Ren , Zhongkai Tao

This paper introduces the notion of local spectral expansion of a simplicial complex as a possible analogue of spectral expansion defined for graphs. We then show that the condition of local spectral expansion for a complex yields various…

Combinatorics · Mathematics 2017-09-14 Izhar Oppenheim