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The Gromov--Hausdorff distance measures the difference in shape between metric spaces and poses a notoriously difficult problem in combinatorial optimization. We introduce its quadratic relaxation over a convex polytope whose solutions…

Computational Geometry · Computer Science 2024-05-09 Vladyslav Oles

We calculate the Gromov-Hausdorff distance between vertex sets of regular polygons endowed with the round metric. We give a full answer for the case of n- and m-gons with m divisible by n. Also, we calculate all distances to 2-gons and…

Metric Geometry · Mathematics 2023-10-03 Talant Talipov

The Gromov--Hausdorff distance (hereinafter referred to as the GH-distance) is a measure of non-isometricity of metric spaces. In this paper, we study a modification of this distance that also takes topological differences into account. The…

Metric Geometry · Mathematics 2025-12-03 Semeon A. Bogaty , Alexey A. Tuzhilin

The aim of this paper is to demonstrate relations between Gromov-Hausdorff distance properties and the Borsuk Conjecture. The Borsuk number of a given bounded metric space $X$ is the infimum of cardinal numbers $n$ such that $X$ can be…

General Topology · Mathematics 2022-03-15 Alexander Ivanov , Alexey Tuzhilin

A quantized metric space is a matrix order unit space equipped with an operator space version of Rieffel's Lip-norm. We develop for quantized metric spaces an operator space version of quantum Gromov-Hausdorff distance. We show that two…

Operator Algebras · Mathematics 2009-01-18 Wei Wu

In this paper we introduce a notion of the Gromov-Hausdorff distance with boundary, denoted by $d_{GHB}$, to construct a framework of convergence of noncomplete metric spaces. We show that a class of bounded $A$-uniform spaces with diameter…

Metric Geometry · Mathematics 2021-08-10 Hyogo Shibahara

One of the most beautiful notions of metric geometry is the Gromov-Hausdorff distance which measures the difference between two metric spaces. To define the distance, let us isometrically embed these spaces into various metric spaces and…

Metric Geometry · Mathematics 2016-12-06 Alexey A. Tuzhilin

Let $M$ be a closed Riemannian manifold and let $X\subseteq M$. If the sample $X$ is sufficiently dense relative to the curvature of $M$, then the Gromov-Hausdorff distance between $X$ and $M$ is bounded from below by half their Hausdorff…

Metric Geometry · Mathematics 2025-02-13 Henry Adams , Florian Frick , Sushovan Majhi , Nicholas McBride

The paper is devoted to geometrical investigation of the Gromov-Hausdorff distance on the classes of all metric spaces and of all bounded metric spaces. The main attention is paid to pass connectivity questions. The pass connected…

Metric Geometry · Mathematics 2022-04-06 A. Ivanov , R. Tsvetnikov , A. Tuzhilin

The Gromov-Hausdorff distance ($d_\mathrm{GH}$) provides a natural way of quantifying the dissimilarity between two given metric spaces. It is known that computing $d_\mathrm{GH}$ between two finite metric spaces is NP-hard, even in the…

Metric Geometry · Mathematics 2021-10-08 Facundo Mémoli , Zane Smith , Zhengchao Wan

The paper studies the class of all metric spaces considered up to zero Gromov-Hausdorff distance between them. In this class, we examine clouds - classes of spaces situated at finite Gromov-Hausdorff distances from a reference space. We…

Metric Geometry · Mathematics 2025-05-30 B. A. Nesterov

In this paper, we investigate compact ultrametric measure spaces which form a subset $\mathcal{U}^w$ of the collection of all metric measure spaces $\mathcal{M}^w$. Similar as for the ultrametric Gromov-Hausdorff distance on the collection…

Metric Geometry · Mathematics 2021-07-05 Facundo Mémoli , Axel Munk , Zhengchao Wan , Christoph Weitkamp

The Gromov--Hausdorff distance measures the difference in shape between compact metric spaces. While even approximating the distance up to any practical factor poses an NP-hard problem, its relaxations have proven useful for the problems in…

Metric Geometry · Mathematics 2022-09-12 Vladyslav Oles , Kevin R. Vixie

We introduce, for the first time, a cohomology-based Gromov-Hausdorff ultrametric method to analyze 1-dimensional and higher-dimensional (co)homology groups, focusing on loops, voids, and higher-dimensional cavity structures in simplicial…

Algebraic Topology · Mathematics 2025-02-27 JunJie Wee , Xue Gong , Wilderich Tuschmann , Kelin Xia

In this paper, we discuss how a Gromov-Hausdorff-like distance function over the space of all isometric classes of compact $C^k$-Riemannian manifolds should be defined in the aspect of the Riemannan submanifold theory, where $k\geq 1$. The…

Differential Geometry · Mathematics 2020-01-31 Naoyuki Koike

The paper is devoted to the study of the Gromov-Hausdorff proper class, consisting of all metric spaces considered up to isometry. In this class, a generalized Gromov-Hausdorff pseudometric is introduced and the geometry of the resulting…

Metric Geometry · Mathematics 2021-10-13 Semeon A. Bogaty , Alexey A. Tuzhilin

Geometric characteristics of metric spaces that appear in formulas of the Gromov--Hausdorff distances from these spaces to so-called simplexes, i.e., to the metric spaces, all whose non-zero distances are the same are studied. The…

Metric Geometry · Mathematics 2019-06-25 D. S. Grigor'ev , A. O. Ivanov , A. A. Tuzhilin

We study topological properties of the Gromov-Hausdorff metric on the set of isometry classes of nonnegatively curved $2$-spheres.

Differential Geometry · Mathematics 2017-06-08 Igor Belegradek

In this paper, we study the geometry of non-Archimedean Gromov-Hausdorff metric. This is the first part of our series work, which we try to establish some facts about the counterpart of Gromov-Hausdorff metric in the non-Archimedean spaces.…

Metric Geometry · Mathematics 2012-06-05 Derong Qiu

It is shown that for any two compact metric spaces there exists an "optimal" correspondence which the Gromov-Hausdorff distance is attained at. Each such correspondence generates isometric embeddings of these spaces into a compact metric…

Metric Geometry · Mathematics 2016-03-30 Alexander Ivanov , Stavros Iliadis , Alexey Tuzhilin