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We show that the set of points of an overt closed subspace of a metric completion of a Bishop-locally compact metric space is located. Consequently, if the subspace is, moreover, compact, then its collection of points is Bishop compact.

逻辑 · 数学 2012-03-05 Thierry Coquand , Erik Palmgren , Bas Spitters

Many concrete problems are formulated in terms of a finite set of points in $R^n$ which, via the ambient Euclidean metric, becomes a finite metric space. To obtain information from such a space, it is often useful to associate a graph to…

组合数学 · 数学 2022-01-06 Juan M. Alonso

In this article we studied the relationship between metric spaces and multiplicative metric spaces. Also, we pointed out some fixed and common fixed point results under some contractive conditions in multiplicative metric spaces can be…

一般拓扑 · 数学 2015-12-14 K. Abodayeh , A. Pitea , W. Shatanawi , T. Abdeljawad

Inspired by some Lorentzian versions of the notion of metric and length space introduced by Kunzinger and S\"amman, and more recently, by M\"uller, and Minguzzi and S\"uhr, we revisit the notion of Lorentzian metric space in order to later…

广义相对论与量子宇宙学 · 物理学 2023-05-17 Saúl Burgos , José Luis Flores , Jónatan Herrera

The completeness properties of spaces of immersed curves equipped with reparametrization-invariant Riemannian metrics have recently been the subject of active research. This thesis studies the metric completion of spaces of immersed open…

微分几何 · 数学 2025-09-16 Ronny Gelman

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 prove that for a compact metric space the property of having finite covering dimension is equivalent to the existence of a total order with finite snake number.

度量几何 · 数学 2022-06-14 Ivan Mitrofanov

Differential completions and compactifications of differential spaces are introduced and investigated. The existence of the maximal differential completion and the maximal differential compactification is proved. A sufficient condition for…

微分几何 · 数学 2011-03-30 Diana Dziewa-Dawidczyk , Zbigniew Pasternak-Winiarski

This paper is concerned with analysis on metric spaces in a variety of settings and with several kinds of structure.

经典分析与常微分方程 · 数学 2007-05-23 Stephen Semmes

We prove strong completeness results for some modal logics with the universal modality, with respect to their topological semantics over 0-dimensional dense-in-themselves metric spaces. We also use failure of compactness to show that, for…

逻辑 · 数学 2020-08-12 Robert Goldblatt , Ian Hodkinson

We study a metric-like structure on categories, showing that the concept of the limit of a sequence in a metric space and the concept of the colimit of a sequence in a category have a common generalization. The main concept is a norm on a…

范畴论 · 数学 2017-05-30 Wiesław Kubiś

With a simple generic approach, we develop a classification that encodes and measures the strength of completeness (or compactness) properties in various types of spaces and ordered structures. The approach also allows us to encode notions…

一般拓扑 · 数学 2020-12-01 Hanna Ćmiel , Franz-Viktor Kuhlmann , Katarzyna Kuhlmann

The paper is devoted to a categorical study of the category of probabilistic metric spaces. The study is based on an isomorphic description of the category of probabilistic metric spaces. The isomorphic description was obtained in [3] and…

一般拓扑 · 数学 2026-04-02 Eva Colebunders , Robert Lowen

Let $T$ be a topological space admitting a compatible proper metric, that is, a locally compact, separable and metrisable space. Let $\mathcal{M}^T$ be the non-empty set of all proper metrics $d$ on $T$ compatible with its topology, and…

泛函分析 · 数学 2023-11-17 Richard J. Smith , Filip Talimdjioski

We provide a general framework to study convergence properties of families of maps. For manifolds $M$ and $N$ where $M$ is equipped with a volume form $\mathcal{V}$ we consider families of maps in the collection $\{(\phi, B) : B \subset M,…

微分几何 · 数学 2014-06-18 Joseph Palmer

A metric algebra is a metric variant of the notion of $\Sigma$-algebra, first introduced in universal algebra to deal with algebras equipped with metric structures such as normed vector spaces. In this paper, we showed metric versions of…

逻辑 · 数学 2017-03-13 Wataru Hino

The highly influential framework of conceptual spaces provides a geometric way of representing knowledge. Instances are represented by points in a high-dimensional space and concepts are represented by regions in this space. In this…

人工智能 · 计算机科学 2018-11-15 Lucas Bechberger , Kai-Uwe Kühnberger

We describe some Cartesian products of metric spaces and find conditions under which products of ultrametric spaces are ultrametric.

度量几何 · 数学 2009-03-10 Oleksiy Dovgoshey , Olli Martio

The primary objective of the present paper is to develop the theory of quantization dimension of an invariant measure associated with an iterated function system consisting of finite number of contractive infinitesimal similitudes in a…

动力系统 · 数学 2020-05-19 Mrinal K. Roychowdhury , S. Verma

A labeled metric space is intuitively speaking a metric space together with a special set of points to be understood as the geometric boundary of the space. We study basic properties of a recently introduced labeled Gromov-Hausdorff…

度量几何 · 数学 2022-10-04 Reijo Jaakkola , Antti Kykkänen