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We find an upper bound for the asymptotic dimension of a hyperbolic metric space with a set of geodesics satisfying a certain boundedness condition studied by Bowditch. The primary example is a collection of tight geodesics on the curve…

几何拓扑 · 数学 2014-02-26 Gregory Bell , Koji Fujiwara

We show that the asymptotic dimension of a hyperbolic relatively hyperbolic graph is finite provided that this holds true uniformly for the peripheral subgraphs and for the electrifiation. We use this to show that the asymptotic dimension…

几何拓扑 · 数学 2019-03-20 Ursula Hamenstaedt

We present lower and upper bounds for the geometric-arithmetic index of unicyclic graphs and provide extremal graphs for the corresponding bounds.

组合数学 · 数学 2023-01-20 Sunyo Moon , Seungkook Park

Bonamy et al \cite{BBEGLPS} showed that graphs of polynomial growth have finite asymptotic dimension. We refine their result showing that a graph of polynomial growth strictly less than $n^{k+1}$ has asymptotic dimension at most $k$. As a…

度量几何 · 数学 2022-01-06 Panos Papasoglu

In this note we give asymptotic estimates for the volume growth associated to suitable infinite graphs. Our main application is to give an asymptotic estimate for volume growth associated to translation surfaces.

动力系统 · 数学 2021-08-02 Paul Colognese , Mark Pollicott

We consider the degree-diameter problem for Cayley graphs of dihedral groups. We find upper and lower bounds on the maximum number of vertices of such a graph with diameter 2 and degree $d$. We completely determine the asymptotic behaviour…

组合数学 · 数学 2015-02-17 Grahame Erskine

Let $\Sigma$ be a compact, orientable surface of genus $g$, and let $\Gamma$ be a relation on $\pi_0(\partial \Sigma)$ such that the prescribed arc graph $\mathcal{A}(\Sigma,\Gamma)$ is Gromov-hyperbolic and non-trivial. We show that…

几何拓扑 · 数学 2025-08-08 Michael C. Kopreski

We show that the asymptotic dimension of a geodesic space that is homeomorphic to a subset in the plane is at most three. In particular, the asymptotic dimension of the plane and any planar graph is at most three.

度量几何 · 数学 2021-07-09 Koji Fujiwara , Panos Papasoglu

For a 3-manifold M and a subsurface $X$ of the boundary of M with empty or incompressible boundary we use surgery to identify a graph whose vertices are disks with boundary in X and which is quasi-isometrically embedded in the curve graph…

几何拓扑 · 数学 2019-03-20 Ursula Hamenstaedt

We prove the existence of an upper bound on the asymptotic dimension of tree amalgamations of locally finite quasi-transitive connected graphs. This generalises a result of Dranishnikov for free products with amalgamation and a result of…

组合数学 · 数学 2019-12-06 Matthias Hamann

We show that intersection graphs of compact convex sets in R^n of bounded aspect ratio have asymptotic dimension at most 2n+1. More generally, we show this is the case for intersection graphs of systems of subsets of any metric space of…

组合数学 · 数学 2022-10-05 Zdeněk Dvořák , Sergey Norin

Consider a family of graphs having a fixed girth and a large size. We give an optimal lower asymptotic bound on the number of even cycles of any constant length, as the order of the graphs tends to infinity.

组合数学 · 数学 2016-03-31 József Solymosi , Ching Wong

We give the asymptotic growth of the number of (multi-)arcs of bounded length between boundary components on complete finite-area hyperbolic surfaces with boundary. Specifically, if $S$ has genus $g$, $n$ boundary components and $p$…

几何拓扑 · 数学 2020-12-01 Nick Bell

This article presents the precise asymptotical distribution of two types of critical transmission radii, defined in terms of $k-$connectivity and the minimum vertex degree, for a random geometry graph distributed over a unit-volume region…

概率论 · 数学 2025-07-17 Jie Ding , Xiang Wei , Shuai Ma

We prove a formula for the asymptotic number of edge-colored regular graphs with a prescribed set of allowed vertex-incidence structures. The formula depends on specific critical points of a polynomial encoding the vertex-incidences. As an…

组合数学 · 数学 2026-01-28 Michael Borinsky , Chiara Meroni , Maximilian Wiesmann

In this paper it is proved that there are constants 0< c_2< c_1 such that an asymptotic formula can be given for the the number of (labeled) n-vertex graphs of diameter d whenever n tends to infinity and 2 < d < n - c_1 (log n). A typical…

组合数学 · 数学 2012-04-23 Zoltan Furedi , Younjin Kim

We give a bound, linear in the complexity of the surface, on the asymptotic dimension of the curve complex as well as the capacity dimension of the ending lamination space.

几何拓扑 · 数学 2019-10-23 Mladen Bestvina , Ken Bromberg

We study arc graphs and curve graphs for surfaces of infinite topological type. First, we define an arc graph relative to a finite number of (isolated) punctures and prove that it is a connected, uniformly hyperbolic graph of infinite…

几何拓扑 · 数学 2015-11-11 Javier Aramayona , Ariadna Fossas , Hugo Parlier

We find asymptotics of the maximum size of a chordal subgraph in a binomial random graph $G(n,p)$, for $p=\mathrm{const}$ and $p=n^{-\alpha+o(1)}$.

组合数学 · 数学 2024-11-20 Michael Krivelevich , Maksim Zhukovskii

Explicit formulae for asymptotic expansions of Feynman diagrams in typical limits of momenta and masses with external legs on the mass shell are presented.

高能物理 - 理论 · 物理学 2009-10-30 V. A. Smirnov
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