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We construct a metric space whose transfinite asymptotic dimension and complementary-finite asymptotic dimension $2\omega+1$.

一般拓扑 · 数学 2020-04-29 Yan Wu , Jingming Zhu

We construct a metric space whose transfinite asymptotic dimension and complementary-finite asymptotic dimension are both omega+1, where omega is the smallest infinite ordinal number. Therefore, we prove that the omega conjecture is not…

度量几何 · 数学 2019-09-11 Yan Wu , Jingming Zhu

We build an example of a metric space with transfinite asymptotic dimension $2\omega$.

一般拓扑 · 数学 2020-02-07 Taras Radul

For every countable ordinal number $\xi$, we construct a metric space $X_{\xi}$ whose transfinite asymptotic dimension and complementary-finite asymptotic dimension are both $\xi$.

一般拓扑 · 数学 2022-01-21 Yan Wu , Jingming Zhu , Taras Radul

Asymptotic property C for metric spaces was introduced by Dranishnikos as generalization of finite asymptotic dimension - asdim. It turns out that this property can be viewed as transfinite extension of asymptotic dimension. The original…

一般拓扑 · 数学 2013-10-07 Maciej Satkiewicz

We prove that a transfinite extension of asymptotic dimension asind is trivial. We introduce a transfinite extension of asymptotic dimension asdim and give an example of metric proper space which has transfinite infinite dimension.

一般拓扑 · 数学 2007-05-23 Taras Radul

We develop the theory of APD profiles introduced by J. Dydak for $\infty$-pseudometric spaces. We connect them with transfinite asymptotic dimension defined by T. Radul. We give a characterization of spaces with transfinite asymptotic…

度量几何 · 数学 2019-09-02 Kamil Orzechowski

The purpose of this note is to characterize the asymptotic dimension $asdim(X)$ of metric spaces $X$ in terms similar to Property A of Yu: If $(X,d)$ is a metric space and $n\ge 0$, then the following conditions are equivalent: [a.]…

度量几何 · 数学 2019-11-18 M. Cencelj , J. Dydak , A. Vavpetic

We obtain two in a sense dual to each other results: First, that the capacity dimension of every compact, locally self-similar metric space coincides with the topological dimension, and second, that the asymptotic dimension of a metric…

几何拓扑 · 数学 2009-06-04 Sergei Buyalo , Nina Lebedeva

We show for a free action of a countable group $\Gamma$ on a finite-dimensional, compact metric space by homeomorphisms that the dynamic asymptotic dimension is either infinite or coincides with the asymptotic dimension of $\Gamma$.

动力系统 · 数学 2025-01-07 Samantha Pilgrim

We introduce matrix algebra of subsets in metric spaces and we apply it to improve results of Yamauchi and Davila regarding Asymptotic Property C. Here is a representative result: Suppose $X$ is an $\infty$-pseudo-metric space and $n\ge 0$…

度量几何 · 数学 2017-12-19 Jerzy Dydak

We introduce a geometric property complementary-finite asymptotic dimension (coas- dim). Similar with asymptotic dimension, we prove the corresponding coarse invariant theorem, union theorem and Hurewicz-type theorem.

度量几何 · 数学 2017-10-23 Yan Wu , Jingming Zhu

A nonnegative number d_infinity, called asymptotic dimension, is associated with any metric space. Such number detects the asymptotic properties of the space (being zero on bounded metric spaces), fulfills the properties of a dimension, and…

微分几何 · 数学 2007-05-23 Daniele Guido , Tommaso Isola

We give a characterization for asymptotic dimension growth. We apply it to CAT(0) cube complexes of finite dimension, giving an alternative proof of N. Wright's result on their finite asymptotic dimension. We also apply our new…

度量几何 · 数学 2018-03-16 Goulnara Arzhantseva , Graham A. Niblo , Nick Wright , Jiawen Zhang

We combine aspects of the notions of finite decomposition complexity and asymptotic property C into a notion that we call finite APC-decomposition complexity. Any space with finite decomposition complexity has finite APC-decomposition…

度量几何 · 数学 2019-02-19 G. Bell , D. Głodkowski , A. Nagórko

We construct a universal space for the class of proper metric spaces of bounded geometry and of given asymptotic dimension. As a consequence of this result, we establish coincidence of the asymptotic dimension with the asymptotic inductive…

几何拓扑 · 数学 2007-05-23 A. Dranishnikov , M. Zarichnyi

Finite decomposition complexity and asymptotic dimension growth are two generalizations of M. Gromov's asymptotic dimension which can be used to prove property A for large classes of finitely generated groups of infinite asymptotic…

群论 · 数学 2019-02-26 Trevor Davila

We introduce the notion of asymptotic cohomology based on the bounded cohomology and define cohomological asymptotic dimension $\as_{\Z} X$ of metric spaces. We show that it agrees with the asymptotic dimension $\as X$ when the later is…

度量几何 · 数学 2007-05-23 A. N. Dranishnikov

We consider asymptotic dimension of coarse spaces. We analyse coarse structures induced by metrisable compactifications. We calculate asymptotic dimension of coarse cell complexes. We calculate the asymptotic dimension of certain negatively…

度量几何 · 数学 2007-05-23 Bernd Grave

We prove that a metric space with subexponential asymptotic dimension growth has Yu's property A.

度量几何 · 数学 2011-08-17 Narutaka Ozawa
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