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In this paper, we prove the $\ell^\infty$ product space of two bounded subspaces of the Gromov-Hausdorff space can be isometrically embedded into the Gromov-Hausdorff space.

度量几何 · 数学 2025-02-28 Takuma Byakuno

We investigate the geometry of the family $\cal M$ of isometry classes of compact metric spaces, endowed with the Gromov-Hausdorff metric. We show that sufficiently small neighborhoods of generic finite spaces in the subspace of all finite…

度量几何 · 数学 2016-04-27 Stavros Iliadis , Alexander Ivanov , Alexey Tuzhilin

It is shown that any bounded metric space can be isometrically embedded into the Gromov--Hausdorff metric class GH. This result is a consequence of local geometry description of the class GH in a sufficiently small neighborhood of a generic…

度量几何 · 数学 2022-03-08 Alexander O. Ivanov , Alexey A. Tuzhilin

It is proved that the Gromov-Hausdorff metric on the space of compact metric spaces considered up to an isometry is strictly intrinsic, i.e., the corresponding metric space is geodesic. In other words, each two points of this space (each…

度量几何 · 数学 2017-01-16 Alexandr Ivanov , Nadezhda Nikolaeva , Alexey Tuzhilin

We construct an isometric embedding of a bounded set in a Euclidean space into the Gromov-Hausdorff space. In particular, we can embed a bounded and connected Riemannian manifold into the Gromov-Hausdorff space by a bilipschitz map.

度量几何 · 数学 2024-10-25 Takuma Byakuno

In this paper, we discuss the embeddability of subspaces of the Gromov-Hausdorff space, which consists of isometry classes of compact metric spaces endowed with the Gromov-Hausdorff distance, into Hilbert spaces. These embeddings are…

度量几何 · 数学 2025-11-26 Nicolò Zava

By Gromov's compactness theorem for metric spaces, every uniformly compact sequence of metric spaces admits an isometric embedding into a common compact metric space in which a subsequence converges with respect to the Hausdorff distance.…

微分几何 · 数学 2008-10-29 Stefan Wenger

We first prove that for all compact metrizable spaces, there exists a topological embedding of the compact metrizable space into each of the sets of compact metric spaces which are connected, path-connected, geodesic, or CAT(0), in the…

度量几何 · 数学 2022-02-22 Yoshito Ishiki

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

Using the wedge sum of metric spaces, for all compact metrizable spaces, we construct a topological embedding of the compact metrizable space into the set of all metric trees in the Gromov--Hausdorff space with finite prescribed values. As…

度量几何 · 数学 2021-12-13 Yoshito Ishiki

We investigate the local structure of the space $\mathcal{M}$ consisting of isometry classes of compact metric spaces, endowed with the Gromov-Hausdorff metric. We consider finite metric spaces of the same cardinality and suppose that these…

度量几何 · 数学 2016-11-15 Alexander O. Ivanov , Alexey A. Tuzhilin

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…

度量几何 · 数学 2016-03-30 Alexander Ivanov , Stavros Iliadis , Alexey Tuzhilin

The equivariant Gromov--Hausdorff convergence of metric spaces is studied. Where all isometry groups under consideration are compact Lie, it is shown that an upper bound on the dimension of the group guarantees that the convergence is by…

度量几何 · 数学 2020-01-23 John Harvey

The present paper is devoted to investigation of the isometry group of the Gromov-Hausdorff space, i.e., the metric space of compact metric spaces considered up to an isometry and endowed with the Gromov-Hausdorff metric. The main goal is…

度量几何 · 数学 2018-06-11 Alexander Ivanov , Alexey Tuzhilin

We introduce the notion of timed-Gromov--Hausdorff distance for timed-metric spaces. We prove that this distance is bi-Lipschitz equivalent to the intrinsic timed-Hausdorff distance of Sakovich--Sormani, and therefore induces the same…

度量几何 · 数学 2026-04-27 Mauricio Che , Raquel Perales

In this paper, we introduce a pseudometric on the family of isometry classes of (extended) metric spaces. Using it, we obtain a natural compactification of the Gromov-Hausdorff space, which is compatible with ultralimit.

度量几何 · 数学 2021-10-01 Hiroki Nakajima , Takashi Shioya

The Gromov-Hausdorff space is usually defined in textbooks as "the space of all compact metric spaces up to isometry". We describe a formalization of this notion in the Lean proof assistant, insisting on how we need to depart from the usual…

计算机科学中的逻辑 · 计算机科学 2021-09-01 Sébastien Gouëzel

We show that the problem whether a given finite metric space can be embedded into $m$-dimensional rectilinear space can be reformulated in terms of the Gromov--Hausdorff distance between some special finite metric spaces.

度量几何 · 数学 2024-12-30 A. O. Ivanov , A. A. Tuzhilin

In this paper, we first evaluate topological distributions of the sets of all doubling spaces, all uniformly disconnected spaces, and all uniformly perfect spaces in the space of all isometry classes of compact metric spaces equipped with…

度量几何 · 数学 2022-08-29 Yoshito Ishiki

In 2014, Gromov conjectured that sequences of manifolds with nonnegative scalar curvature should have subsequences which converge in some geometric sense to limit spaces with some notion of generalized nonnegative scalar curvature. In…

度量几何 · 数学 2025-10-28 Christina Sormani , Wenchuan Tian , Wai-Ho Yeung
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