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In this paper, we give a new class of reconstructible graphs, which is an extension of my paper `A class of reconstructible graphs'.

组合数学 · 数学 2007-05-23 Tetsuya Hosaka

The maximum likelihood threshold of a graph is the smallest number of data points that guarantees that maximum likelihood estimates exist almost surely in the Gaussian graphical model associated to the graph. We show that this graph…

组合数学 · 数学 2015-09-17 Elizabeth Gross , Seth Sullivant

Graph theory provides a primary tool for analyzing and designing computer communication networks. In the past few decades, Graph theory has been used to study various types of networks, including the Internet, wide Area Networks, Local Area…

网络与互联网体系结构 · 计算机科学 2009-07-20 Kamal Ahmat

This paper uses the theory of covering graphs to characterize some of the edge-transitive graphs which can arise as token graphs.

组合数学 · 数学 2025-05-28 Sergio G. Gómez-Galicia , Octavio B. Zapata-Fonseca

We play with a graph-theoretic analogue of the folklore infinite monkey theorem. We define a notion of graph likelihood as the probability that a given graph is constructed by a monkey in a number of time steps equal to the number of…

离散数学 · 计算机科学 2013-04-15 Christopher R. S. Banerji , Toufik Mansour , Simone Severini

Letters $x$ and $y$ alternate in a word $w$ if after deleting in $w$ all letters but the copies of $x$ and $y$ we either obtain a word $xyxy\cdots$ (of even or odd length) or a word $yxyx\cdots$ (of even or odd length). A graph $G=(V,E)$ is…

组合数学 · 数学 2017-05-18 Sergey Kitaev

Following our previous works on $C^*$-graph algebras and the associated Cuntz-Krieger graph families, in this paper we will try to have a look at the colored version of these structures and to see what a $C^*$-colored graph algebra might…

算子代数 · 数学 2025-04-25 Farrokh Razavinia

A k-edge-weighting of a graph G is a function w: E(G)->{1,2,...,k}. An edge-weighting naturally induces a vertex coloring c, where for every vertex v in V(G), c(v) is sum of weights of the edges that are adjacent to vertex v. If the induced…

组合数学 · 数学 2012-05-16 Akbar Davoodi , Behnaz Omoomi

In this paper, we study the concept of edge-group choosability of graphs. We say that G is edge k-group choosable if its line graph is k-group choosable. An edge-group choosability version of Vizing conjecture is given. The evidence of our…

组合数学 · 数学 2011-06-07 Amir Khamseh , Gholamreza Omidi

In 2004, Karo\'nski, \L uczak and Thomason proposed $1$-$2$-$3$-conjecture: For every nice graph $G$ there is an edge weighting function $ w:E(G)\rightarrow\{1,2,3\} $ such that the induced vertex coloring is proper. After that, the total…

组合数学 · 数学 2022-05-02 Akbar Davoodi , Leila Maherani

We further develop the theory of $W\!$-graph ideals, first introduced by the authors in reference [6]. We discuss $W\!$-graph subideals, and induction and restriction of $W\!$-graph ideals for parabolic subgroups. We introduce $W\!$-graph…

群论 · 数学 2015-03-05 Robert B. Howlett , Van Minh Nguyen

Graph theory has become a very critical component in many applications in the computing field including networking and security. Unfortunately, it is also amongst the most complex topics to understand and apply. In this paper, we review…

密码学与安全 · 计算机科学 2015-11-17 Jonathan Webb , Fernando Docemmilli , Mikhail Bonin

Graph theory provides fundamental concepts for many fields of science like statistical physics, network analysis and theoretical computer science. Here we give a pedagogical introduction to graph theory, divided into three sections. In the…

无序系统与神经网络 · 物理学 2007-05-23 Alexander K. Hartmann , Martin Weigt

We develop a theory to measure the variance and covariance of probability distributions defined on the nodes of a graph, which takes into account the distance between nodes. Our approach generalizes the usual (co)variance to the setting of…

物理与社会 · 物理学 2021-08-19 Karel Devriendt , Samuel Martin-Gutierrez , Renaud Lambiotte

Expanded lecture notes. Preliminary version, comments are welcome.

组合数学 · 数学 2018-05-31 Bogdan Nica

In this article, we study questions pertaining to ramified $\mathbb{Z}_p^d$-extensions of a finite connected graph $X$. We also study the Iwasawa theory of dual graphs.

数论 · 数学 2025-08-06 Debanjana Kundu , Katharina Müller

We discuss various aspects of the statistical formulation of the theory of random graphs, with emphasis on results obtained in a series of our recent publications.

统计力学 · 物理学 2009-11-10 Zdzislaw Burda , Jerzy Jurkiewicz , Andre Krzywicki

In this paper, we propose a new type of graph, denoted as "embedded-graph", and its theory, which employs a distributed representation to describe the relations on the graph edges. Embedded-graphs can express linguistic and complicated…

离散数学 · 计算机科学 2017-09-15 Atsushi Yokoyama

In this paper, we hope to bring closer graph theory and consensus algorithms. Firstly, we give a brief introduction to graph theory by listing a concise definition. Then we analyze and visualize some commonly used graphs. Secondly, we…

离散数学 · 计算机科学 2021-01-27 Shen Zheng

We extend the closed graph theorem and the open mapping theorem to a context in which a natural duality interchanges their extensions.

泛函分析 · 数学 2019-12-06 R. S. Monahan , P. L. Robinson