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Related papers: The $g$-good neighbor conditional diagnosability o…

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Let $G=(V, E)$ be a connected graph, a subset $S\subseteq V(G)$ is called an $R^{g}$-vertex-cut of $G$ if $G-F$ is disconnected and any vertex in $G-F$ has at least $g$ neighbours in $G-F$. The $R^{g}$-vertex-connectivity is the size of the…

Combinatorics · Mathematics 2018-12-04 Shu-Li Zhao , Rong-Xia Hao

The $g$-good-neighbor conditional diagnosability is a new measure for fault diagnosis of systems. Xu et al. [Theor. Comput. Sci. 659 (2017) 53--63] determined the $g$-good-neighbor conditional diagnosability of $(n, k)$-star networks $S_{n,…

Combinatorics · Mathematics 2017-03-23 Yulong Wei , Min Xu

The concept of neighbor connectivity originated from the assessment of the subversion of espionage networks caused by underground resistance movements, and it has now been applied to measure the disruption of networks caused by cascading…

Discrete Mathematics · Computer Science 2025-03-26 Zhao Wang , Yaping Mao , Sun-Yuan Hsieh , Ralf Klasing

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 $g$-good-neighbor connectivity of $G$. In this paper, we show that $1\leq…

Combinatorics · Mathematics 2019-05-28 Zhao Wang , Yaping Mao , Sun-Yuan Hsieh , Jichang Wu

The conditional diagnosability and the 2-extra connectivity are two important parameters to measure ability of diagnosing faulty processors and fault-tolerance in a multiprocessor system. The conditional diagnosability $t_c(G)$ of $G$ is…

Combinatorics · Mathematics 2015-08-11 Rong-Xia Hao , Zeng-Xian Tian , Jun-Ming Xu

For $F\subseteq V(G)$, if $G-F$ is a disconnected graph with at least $r$ components and each vertex $v\in V(G)\backslash F$ has at least $g$ neighbors, then $F$ is called a $g$-good $r$-component cut of $G$. The $g$-good $r$-component…

Combinatorics · Mathematics 2024-11-05 Wenxiu Ding , Dan Li , Yu Wang

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

The neighbor connectivity of a graph $G$ is the least number of vertices such that removing their closed neighborhoods from $G$ results in a graph that is disconnected, complete or empty. If a~graph is used to model the topology of an…

Discrete Mathematics · Computer Science 2019-10-29 Tomáš Dvořák , Mei-Mei Gu

Zhu et al. [Theoret. Comput. Sci. 758 (2019) 1--8] introduced the $h$-edge tolerable diagnosability to measure the fault diagnosis capability of a multiprocessor system with faulty links. This kind of diagnosability is a generalization of…

Combinatorics · Mathematics 2020-12-22 Yulong Wei , Rong-hua Li , Weihua Yang

The data center networks $D_{n,k}$, proposed in 2008, has many desirable features such as high network capacity. A kind of generalization of diagnosability for network $G$ is $g$-good-neighbor diagnosability which is denoted by $t_g(G)$.…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-02-02 Mei-Mei Gu , Rong-Xia Hao , Shuming Zhou

We generalize an approach to deriving diagnosability results of various interconnection networks in terms of the popular $g$-good-neighbor and $g$-extra fault-tolerant models, as well as mainstream diagnostic models such as the PMC and the…

Networking and Internet Architecture · Computer Science 2022-05-04 Eddie Cheng , Yaping Mao , Ke Qiu , Zhizhang Shen

The connectivity of a graph is an important parameter to evaluate its reliability. $k$-restricted connectivity (resp. $R^h$-restricted connectivity) of a graph $G$ is the minimum cardinality of a set $S$ of vertices in $G$, if exists, whose…

Computational Complexity · Computer Science 2026-01-15 Huazhong Lü , Tingzeng Wu

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

We show that if a graph $G$ satisfies certain conditions then the connectivity of neighbourhood complex $\mathcal{N}(G)$ is strictly less than the vertex connectivity of $G$. As an application, we give a relation between the connectivity of…

Combinatorics · Mathematics 2023-04-27 Rekha Santhanam , Samir Shukla

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 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

System level diagnosis is an important approach for the fault diagnosis of multiprocessor systems. In system level diagnosis, diagnosability is an important measure of the diagnosis capability of interconnection networks. But as a measure,…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-09-19 Qiang Zhu , Lili Li , Sanyang Liu , Xing Zhang

The eccentric connectivity index of a connected graph $G$ is the sum over all vertices $v$ of the product $d_{G}(v) e_{G}(v)$, where $d_{G}(v)$ is the degree of $v$ in $G$ and $e_{G}(v)$ is the maximum distance between $v$ and any other…

Discrete Mathematics · Computer Science 2024-03-11 Gauvain Devillez , Alain Hertz , Hadrien Mélot , Pierre Hauweele

Reliability evaluation and fault tolerance of an interconnection network of some parallel and distributed systems are discussed separately under various link-faulty hypotheses in terms of different $\mathcal{P}$-conditional…

Combinatorics · Mathematics 2022-03-25 Mingzu Zhang , Zhaoxia Tian , Lianzhu Zhang

Link residual closeness is a newly proposed measure for network vulnerability. In this model, vertices are perfectly reliable and the links fail independently of each other. It measures the vulnerability even when the removal of links does…

Social and Information Networks · Computer Science 2023-11-07 Leyou Xu , Chengli Li , Bo Zhou
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