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We introduce the notion of controlled products on metric spaces as a generalization of Gromov products, and construct boundaries by using controlled products, which we call the Gromov boundaries. It is shown that the Gromov boundary with…

度量几何 · 数学 2018-10-23 Tomohiro Fukaya , Shin-ichi Oguni , Takamitsu Yamauchi

We study homogeneity aspects of metric spaces in which all triples of distinct points admit pairwise different distances; such spaces are called isosceles-free. In particular, we characterize all homogeneous isosceles-free spaces up to…

逻辑 · 数学 2024-05-28 Christian Bargetz , Adam Bartoš , Wiesław Kubiś , Franz Luggin

Associated to any finite metric space are a large number of objects and quantities which provide some degree of structural or geometric information about the space. In this paper we show that in the setting of subsets of weighted Hamming…

泛函分析 · 数学 2024-09-19 Ian Doust , Anthony Weston

The aim of this paper is to establish the equivalence between the concepts of an $S$-metric space and a cone $S$-metric space using\ some topological approaches. We introduce a new notion of $TVS$-cone $S$-metric space using some facts…

一般拓扑 · 数学 2018-01-03 Nihal Taş

We study the concept of cone metric space in the context of ordered vector spaces by setting up a general and natural framework for it.

泛函分析 · 数学 2014-01-08 Mert Çağlar , Zafer Ercan

We establish Gromov's celebrated reconstruction theorem in Lorentzian geometry. Alongside this result, we introduce and study a natural concept of isomorphy of normalized bounded Lorentzian metric measure spaces. We outline applications to…

微分几何 · 数学 2025-06-13 Mathias Braun , Clemens Sämann

We define a distance analogous to the Gromov-Hausdorff distance that enables the comparison of arbitrary quasi-isometric spaces. We also investigate properties preserved under limits with respect to this distance, as well as properties of…

度量几何 · 数学 2026-05-28 Alexei Naianzin

This is the second of a series of three papers which provide proofs of results announced in arXiv:1210.7494. In this paper we consider the Gromov-Hausdorff limits of metrics with cone singularities in the case when the limiting cone angle…

微分几何 · 数学 2012-12-20 Xiuxiong Chen , Simon Donaldson , Song Sun

We consider the possibility of obtaining emergent properties of physical spaces endowed with structures analogous to that of collective models put forward by classical statistical physics. We show that, assuming that a so-called "metric…

综合物理 · 物理学 2008-02-03 Pierre Peretto

We study the high-dimensional limit of (projective) Stiefel and Grassmann manifolds as metric measure spaces in Gromov's topology. The limits are either the infinite-dimensional Gaussian space or its quotient by an mm-isomorphic group…

度量几何 · 数学 2015-07-17 Takashi Shioya , Asuka Takatsu

In this paper we study geometries on the manifold of curves. We define a manifold $M$ where objects $c\in M$ are curves, which we parameterize as $c:S^1\to \real^n$ ($n\ge 2$, $S^1$ is the circle). Given a curve $c$, we define the tangent…

微分几何 · 数学 2007-05-23 A. Yezzi , A. Mennucci

In ``Characterization, stability and convergence of hierarchical clustering methods'' by G. E. Carlsson, F. Memoli, the natural way to construct an ultrametric space from a given metric space was presented. It was shown that the…

度量几何 · 数学 2025-02-03 I. N. Mikhailov

In this paper, we study some topological characteristics of the n-normed spaces. We observe convergence sequences, closed sets, and bounded sets in the n-normed spaces using norms of quotient spaces that will be constructed. These norms…

泛函分析 · 数学 2018-10-19 Harmanus Batkunde , Hendra Gunawan

We develop an analogue of the classical Scott analysis for metric structures and infinitary continuous logic. Among our results are the existence of Scott sentences for metric structures and a version of the Lopez-Escobar theorem. We also…

逻辑 · 数学 2017-08-03 Itai Ben Yaacov , Michal Doucha , Andre Nies , Todor Tsankov

We provide an alternative, constructive proof that the collection $\mathcal{M}$ of isometry classes of compact metric spaces endowed with the Gromov-Hausdorff distance is a geodesic space. The core of our proof is a construction of explicit…

度量几何 · 数学 2018-03-21 Samir Chowdhury , Facundo Mémoli

The paper introduces the class of O-metric spaces, a novel generalization of metric-type spaces, classifying almost all possible metric types into upward and downward O-metrics. We list some topologies arising from O-metrics and discuss…

综合数学 · 数学 2025-04-29 Hallowed O. Olaoluwa , Aminat O. Ige , Johnson O. Olaleru

We undertake a systematic study of the infinitesimal geometry of the Thurston metric, showing that the topology, convex geometry and metric geometry of the tangent and cotangent spheres based at any marked hyperbolic surface representing a…

几何拓扑 · 数学 2024-01-10 Yi Huang , Ken'Ichi Ohshika , Athanase Papadopoulos

We show that there exists a natural counterpart of the Gromov-Hausdorff metric in the class of ultrametric spaces. It is proved, in particular, that the space of all ultrametric spaces whose metric take values in a fixed countable set is…

一般拓扑 · 数学 2007-05-23 Ihor Zarichnyi

We introduce and study the random non-compact metric space called the Brownian plane, which is obtained as the scaling limit of the uniform infinite planar quadrangulation. Alternatively, the Brownian plane is identified as the…

概率论 · 数学 2012-04-27 Nicolas Curien , Jean-François Le Gall

In this manuscript, we claim that the newly introduced $\mathcal{F}$-metric spaces are Hausdorff and also first countable. Moreover, we assert that every separable $\mathcal{F}$-metric space is second countable. Additionally, we acquire…

泛函分析 · 数学 2018-06-18 Ashis Bera , Lakshmi Kanta Dey , Hiranmoy Garai , Ankush Chanda