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Related papers: On $g$-Extra Connectivity of Hypercube-like Networ…

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As a generalization of the traditional connectivity, the g-component edge connectivity c{\lambda}g(G) of a non-complete graph G is the minimum number of edges to be deleted from the graph G such that the resulting graph has at least g…

Combinatorics · Mathematics 2021-05-12 Dong Liu , Pingshan Li , Bicheng Zhang

The $g$-extra edge-connectivity is an important measure for the reliability of interconnection networks. Recently, Yang et al. [Appl. Math. Comput. 320 (2018) 464--473] determined the $3$-extra edge-connectivity of balanced hypercubes…

Combinatorics · Mathematics 2020-07-07 Yulong Wei , Rong-hua Li , Weihua Yang

Let G be a connected graph and S be a set of vertices. The h-extra connectivity of G is the cardinality of a minimum set S such that G-S is disconnected and each component of G-S has at least h+1 vertices. The h-extra connectivity is an…

Discrete Mathematics · Computer Science 2013-09-23 Meimei Gu , Rongxia Hao

Given a graph G, a non-negative integer h and a set of vertices S, the h-extra connectivity of G is the cardinality of a minimum set S such that G-S is disconnected and each component of G-S has at least h+1 vertices. The 2-extra…

Discrete Mathematics · Computer Science 2014-09-16 Mei-Mei Gu , Rong-Xia Hao , Jian-Bing Liu

A subset $F$ of edges in a connected graph $G$ is a $h$-extra edge-cut if $G-F$ is disconnected and every component has more than $h$ vertices. The $h$-extra edge-connectivity $\la^{(h)}(G)$ of $G$ is defined as the minimum cardinality over…

Combinatorics · Mathematics 2013-01-22 Zhen-Mu Hong , Jun-Ming Xu

Connectivity and diagnosability are two important parameters for the fault tolerant of an interconnection network $G$. In 1996, F\`{a}brega and Fiol proposed the $g$-extra connectivity of $G$. A subset of vertices $S$ is said to be a…

Combinatorics · Mathematics 2019-04-16 Zhao Wang , Yaping Mao , Sun-Yuan Hsieh

As the scale of data centers continues to grow, there is an increasing demand for interconnection networks to resist malicious attacks. Hence, it is necessary to evaluate the reliability of networks under various fault patterns. The family…

Combinatorics · Mathematics 2025-03-19 Shuqian Cheng , Mingzu Zhang , Sun-Yuan Hsieh , Eddie Cheng

The connectivity is an important parameter to evaluate the robustness of a network. As a generalization, structure connectivity and substructure connectivity of graphs were proposed. For connected graphs $G$ and $H$, the $H$-structure…

Combinatorics · Mathematics 2022-11-23 Lina Ba , Hailun Wu , Heping Zhang

The edge-fault-tolerance of networks is of great significance to the design and maintenance of networks. For any pair of vertices $u$ and $v$ of the connected graph $G$, if they are connected by $\min \{ \deg_G(u),\deg_G(v)\}$ edge-disjoint…

Combinatorics · Mathematics 2022-09-27 Dong Liu. Pingshan Li , Bicheng Zhang

The generalized $k$-connectivity of a graph $G$, denoted by $\kappa_k(G)$, is the minimum number of internally edge disjoint $S$-trees for any $S\subseteq V(G)$ with $|S|=k$. The generalized $k$-connectivity is a natural extension of the…

Combinatorics · Mathematics 2024-05-23 Jing Wang , Xidao Luan , Yuanqiu Huang

Let $G$ be a graph and $T$ a certain connected subgraph of $G$. The $T$-structure connectivity $\kappa(G; T)$ (or resp., $T$-substructure connectivity $\kappa^{s}(G; T)$) of $G$ is the minimum number of a set of subgraphs…

Combinatorics · Mathematics 2018-03-23 Dong Li , Xiaolan Hu , Huiqing Liu

The $g$-component edge connectivity $c\lambda_g(G)$ of a non-complete graph $G$ is the minimum number of edges whose deletion results in a graph with at least $g$ components. In this paper, we determine the component edge connectivity of…

Combinatorics · Mathematics 2018-03-06 Shuli Zhao , Weihua Yang

The connectivity of a network directly signifies its reliability and fault-tolerance. Structure and substructure connectivity are two novel generalizations of the connectivity. Let $H$ be a subgraph of a connected graph $G$. The structure…

Combinatorics · Mathematics 2018-08-08 Huazhong Lü , Tingzeng Wu

Hypercube is one of the most important networks to interconnect processors in multiprocessor computer systems. Different kinds of connectivities are important parameters to measure the fault tolerability of networks. Lin et…

Combinatorics · Mathematics 2020-06-17 Yihan Chen , Bicheng Zhang

The component connectivity is the generalization of connectivity which is an parameter for the reliability evaluation of interconnection networks. The $g$-component connectivity $c\kappa_{g}(G)$ of a non-complete connected graph $G$ is the…

Combinatorics · Mathematics 2018-03-06 Shuli Zhao , Weihua Yang

Twisted hypercube-like networks (THLNs) are an important class of interconnection networks for parallel computing systems, which include most popular variants of the hypercubes, such as crossed cubes, M\"obius cubes, twisted cubes and…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-11-24 Qiang Dong , Hui Gao , Yan Fu , Xiaofan Yang

Many multiprocessor systems have interconnection networks as underlying topologies and an interconnection network is usually represented by a graph where nodes represent processors and links represent communication links between processors.…

Information Theory · Computer Science 2017-08-08 Shiying Wang , Xiaolei Ma

The $g$-$extra$ $connectivity$ $\kappa_{g}(G)$ of a connected graph $G$ is the minimum cardinality of a set of vertices, if it exists, whose deletion makes $G$ disconnected and leaves each remaining component with more than $g$ vertices,…

Combinatorics · Mathematics 2023-06-29 Qinze Zhu , Yingzhi Tian

The $g$-extra connectivity is an important parameter to measure the ability of tolerance and reliability of interconnection networks. Given a connected graph $G=(V,E)$ and a non-negative integer $g$, a subset $S\subseteq V$ is called a…

Combinatorics · Mathematics 2020-07-22 He Li , Shumin Zhang , Chengfu Ye

Let $G_n$ be an $n$-dimensional recursive network. The $h$-embedded connectivity $\zeta_h(G_n)$ (resp. edge-connectivity $\eta_h(G_n)$) of $G_n$ is the minimum number of vertices (resp. edges) whose removal results in disconnected and each…

Combinatorics · Mathematics 2015-11-16 Xiang-Jun Li , Qi-Qi Dong , Zheng Yan , Jun-Ming Xu
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