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We study local asymptotic normality of M-estimates of convex minimization in an infinite dimensional parameter space. The objective function of M-estimates is not necessary differentiable and is possibly subject to convex constraints. In…

统计理论 · 数学 2017-04-11 Kosaku Takanashi

We construct a class of Finsler metrics in three-dimensional space such that all their geodesics are lines, but not all planes are extremal for their Hausdorff area functionals. This shows that if the Hausdorff measure is used as notion of…

微分几何 · 数学 2011-09-21 Juan Carlos Alvarez Paiva , Gautier Berck

We study the geometric and physical foundations of Finsler gravity theories with metric compatible connections defined on tangent bundles, or (pseudo) Riemannian manifolds). There are analyzed alternatives to Einstein gravity (including…

数学物理 · 物理学 2013-03-15 Sergiu I. Vacaru

We introduce a new approach to Topological Data Analysis (TDA) based on Finsler metrics and we also generalize the classical concepts of Vietoris-Rips and Cech complexes within this framework. In particular, we propose a class of…

We present a new general framework for metrization of Gromov-Hausdorff-type topologies on non-compact metric spaces. We also give easy-to-check conditions for separability and completeness and hence the measure theoretic requirements are…

度量几何 · 数学 2025-09-08 Ryoichiro Noda

The notion of quasi-Einstein metric in physics is equivalent to the notion of Ricci soliton in Riemannian spaces. Quasi-Einstein metrics serve also as solution to the Ricci flow equation. Here, the Riemannian metric is replaced by a Hessian…

微分几何 · 数学 2014-06-03 Behroz Bidabad , Mohamad Yarahmadi

We first consider interval partitions whose complements are Lebesgue-null and introduce a complete metric that induces the same topology as the Hausdorff distance (between complements). This is done using correspondences between intervals.…

概率论 · 数学 2021-01-29 Noah Forman , Soumik Pal , Douglas Rizzolo , Matthias Winkel

We endow the space of projective filling geodesic currents on a closed hyperbolic surface with a natural asymmetric metric extending Thurston's asymmetric metric on Teichm\"uller space, as well as analogous metrics arising from Hitchin…

几何拓扑 · 数学 2026-01-06 Meenakshy Jyothis , Dídac Martínez-Granado

We propose a new probabilistic characterization of the uniform distribution on the hypersphere in terms of the distribution of pairwise inner products, extending the ideas of \citep{cuesta2009projection,cuesta2007sharp} in a data-driven…

统计理论 · 数学 2026-04-14 Tiefeng Jiang , Tuan Pham

We consider the question of continuity of limit sets for sequences of geometrically finite subgroups of isometry groups of rank-one symmetric spaces, and prove analogues of classical (Kleinian) theorems in this context. In particular we…

几何拓扑 · 数学 2024-07-08 Antonin Guilloux , Theodore Weisman

We establish some important inequalities under a lower weighted Ricci curvature bound on Finsler manifolds. Firstly, we establish a relative volume comparison of Bishop-Gromov type. As one of the applications, we obtain an upper bound for…

微分几何 · 数学 2021-07-16 Xinyue Cheng , Zhongmin Shen

We study some Hardy-type inequalities involving a general norm in $R^n$ and an anisotropic distance function to the boundary. The case of the optimality of the constants is also addressed.

偏微分方程分析 · 数学 2015-12-18 Francesco Della Pietra , Giuseppina di Blasio , Nunzia Gavitone

We study the relation between critical exponents and Hausdorff dimensions of limit sets for projective Anosov representations. We prove that the Hausdorff dimension of the symmetric limit set in $\mathbf{P}(\mathbb{R}^{n}) \times…

微分几何 · 数学 2023-09-22 Olivier Glorieux , Daniel Monclair , Nicolas Tholozan

In this work, a metric is presented on the set of boundedly-compact pointed metric spaces that generates the Gromov-Hausdorff topology. A similar metric is defined for measured metric spaces that generates the Gromov-Hausdorff-Prokhorov…

度量几何 · 数学 2020-01-10 Ali Khezeli

Finsleroid-Finsler metrics form an important class of singular (y-local) Finsler metrics. They were introduced by G. S. Asanov [2] in 2006. As the special case of the general construction Asanov produced singular (y - local) examples of…

微分几何 · 数学 2016-02-01 Csaba Vincze

We give upper and lower bounds for the ratio of the volume of metric ball to the area of the metric sphere in Finsler-Hadamard manifolds with pinched S-curvature. We apply these estimates to find the limit at the infinity for this ratio.…

微分几何 · 数学 2011-10-11 Alexandr A. Borisenko , Eugeny A. Olin

We consider the group of sense-preserving diffeomorphisms $\Diff S^1$ of the unit circle and its central extension, the Virasoro-Bott group, with their respective horizontal distributions chosen to be Ehresmann connections with respect to a…

微分几何 · 数学 2012-02-29 Erlend Grong , Irina Markina , Alexander Vasil'ev

The purpose of this paper is to derive the anisotropic averaged Euler equations and to study their geometric and analytic properties. These new equations involve the evolution of a mean velocity field and an advected symmetric tensor that…

偏微分方程分析 · 数学 2007-05-23 Jerrold E. Marsden , Steve Shkoller

We show that if a Finsler space is conformally automorphic to a Riemannian space and the automorphism is positively homogeneous with respect to tangent vectors, then the indicatrix of the Finsler space is a space of constant curvature. In…

微分几何 · 数学 2010-09-08 G. S. Asanov

We study the geometry of the Thurston metric on the Teichm\"uller space $\mathcal{T}(S)$ of hyperbolic structures on a surface $S$. Some of our results on the coarse geometry of this metric apply to arbitrary surfaces $S$ of finite type;…

几何拓扑 · 数学 2020-05-27 David Dumas , Anna Lenzhen , Kasra Rafi , Jing Tao