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Related papers: Star edge coloring of generalized Petersen graphs

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A star edge coloring of a graph is a proper edge coloring with no $2$-colored path or cycle of length four. The star chromatic index $\chi'_{st}(G)$ of $G$ is the minimum number $t$ for which $G$ has a star edge coloring with $t$ colors. We…

Combinatorics · Mathematics 2021-05-12 Carl Johan Casselgren , Jonas B. Granholm , André Raspaud

A star edge-coloring of a graph $G$ is a proper edge-coloring without bichromatic paths or cycles of length four. The smallest integer $k$ such that $G$ admits a star edge-coloring with $k$ colors is the star chromatic index of $G$. In the…

Combinatorics · Mathematics 2020-10-23 Přemysl Holub , Borut Lužar , Erika Mihaliková , Martina Mockovčiaková , Roman Soták

The star chromatic index of a multigraph $G$, denoted by $\chi_{\mathrm{star}}'(G)$, is the minimum number of colors needed to properly color the edges of $G$ such that no path or cycle of length $4$ is bicolored. In this paper, we study…

Combinatorics · Mathematics 2020-10-28 Xuling Hou , Lingxi Li , Tao Wang

The star chromatic index of a multigraph $G$, denoted $\chi'_{s}(G)$, is the minimum number of colors needed to properly color the edges of $G$ such that no path or cycle of length four is bi-colored. A multigraph $G$ is star…

Combinatorics · Mathematics 2022-06-13 Hui Lei , Yongtang Shi , Zi-Xia Song , Tao Wang

A star edge coloring of a graph $G$ is a proper edge coloring of $G$ such that every path and cycle of length four in $G$ uses at least three different colors. The star chromatic index of a graph $G$, is the smallest integer $k$ for which…

Combinatorics · Mathematics 2018-11-22 Behnaz Omoomi , Marzieh Vahid Dastjerdi

A star edge coloring of a graph $G$ is a proper edge coloring of $G$ such that every path and cycle of length four in $G$ uses at least three different colors. The star chromatic index of $G$, is the smallest integer $k$ for which $G$…

Combinatorics · Mathematics 2021-03-03 Marzieh Vahid Dastjerdi

The star chromatic index of a multigraph $G$, denoted $\chi'_{s}(G)$, is the minimum number of colors needed to properly color the edges of $G$ such that no path or cycle of length four is bi-colored. A multigraph $G$ is star…

Combinatorics · Mathematics 2017-11-23 Hui Lei , Yongtang Shi , Zi-Xia Song

A \textit{star $k$-coloring} of a graph $G$ is a proper (vertex) $k$-coloring of $G$ such that the vertices on a path of length three receive at least three colors. Given a graph $G$, its \textit{star chromatic number}, denoted $\chi_s(G)$,…

Combinatorics · Mathematics 2019-09-26 Ilkyoo Choi , Boram Park

A $k$-star colouring of a graph $G$ is a function $f:V(G)\to\{0,1,\dots,k-1\}$ such that $f(u)\neq f(v)$ for every edge $uv$ of $G$, and every bicoloured connected subgraph of $G$ is a star. The star chromatic number of $G$, $\chi_s(G)$, is…

Combinatorics · Mathematics 2023-09-11 Shalu M. A. , Cyriac Antony

The packing chromatic number $\chi_{\rho}(G)$ of a graph $G$ is the smallest integer $k$ such that the vertex set of $G$ can be partitioned into sets $\Pi_1,\ldots,\Pi_k$, where $\Pi_i$, $i\in [k]$, is an $i$-packing. The following…

Combinatorics · Mathematics 2016-08-22 Boštjan Brešar , Sandi Klavžar , Douglas F. Rall , Kirsti Wash

A star edge coloring of a graph $G$ is a proper edge coloring of $G$ without bichromatic paths or cycles of length four. The it star chromatic index, $\chi_{st}^{'} (G ),$ of $G$ is the minimum number $k$ for which $G$ has a star edge…

Combinatorics · Mathematics 2020-06-02 Xingchao Deng , Qingye Yao , Yanbing Zhang , Xudong Cui

A star edge coloring of a graph $G$ is a proper edge coloring of $G$ such that no path or cycle of length four is bi-colored. The star chromatic index of $G$, denoted by $\chi^{\prime}_{s}(G)$, is the minimum $k$ such that $G$ admits a star…

Combinatorics · Mathematics 2019-11-07 Behnaz Omoomi , Marzieh Vahid Dastjerdi , Yasaman Yektaeian

{\emph A star edge-coloring} of a graph is a proper edge-coloring without bichromatic paths and cycles of length four. In this paper, we consider the list version of this coloring and prove that the list star chromatic index of every…

Combinatorics · Mathematics 2018-09-11 Borut Lužar , Martina Mockovčiaková , Roman Soták

An injective edge-coloring $c$ of a graph $G$ is an edge-coloring such that if $e_1$, $e_2$, and $e_3$ are three consecutive edges in $G$ (they are consecutive if they form a path or a cycle of length three), then $e_1$ and $e_3$ receive…

Combinatorics · Mathematics 2020-09-01 Baya Ferdjallah , Samia Kerdjoudj , Andre Raspaud

The star chromatic index of a graph $G$, denoted by $\chi'_{st}(G) $, is the minimum number of colors needed to properly color the edges of $G$ such that no path or cycle of length four is bi-colored. Casselgren et al. and Hou et al.…

Combinatorics · Mathematics 2025-11-18 Xingxing Hu , Yunfang Tang

A star $k$-edge coloring is a proper edge coloring such that there are no bichromatic paths or cycles of length four. The smallest integer $k$ such that $G$ admits a star $k$-edge coloring is the star chromatic index of $G$. Deng \etal…

Combinatorics · Mathematics 2021-06-22 Zhengke Miao , Yimin Song , Tao Wang , Xiaowei Yu

A decomposition of a non-empty simple graph $G$ is a pair $[G,P]$, such that $P$ is a set of non-empty induced subgraphs of $G$, and every edge of $G$ belongs to exactly one subgraph in $P$. The chromatic index $\chi'([G,P])$ of a…

Combinatorics · Mathematics 2019-10-29 Clemens Huemer , Dolores Lara , Christian Rubio-Montiel

A normal $k$-edge-coloring of a cubic graph is an edge-coloring with $k$ colors having the additional property that when looking at the set of colors assigned to any edge $e$ and the four edges adjacent it, we have either exactly five…

Discrete Mathematics · Computer Science 2021-10-05 Giuseppe Mazzuoccolo , Vahan Mkrtchyan

We investigate some coloring properties of Kneser graphs. A star-free coloring is a proper coloring $c:V(G)\to \Bbb{N}$ such that no path with three vertices may be colored with just two consecutive numbers. The minimum positive integer $t$…

Combinatorics · Mathematics 2010-01-06 Hossein Hajiabolhassan

A {\em strong $k$-edge-coloring} of a graph $G$ is a mapping from $E(G)$ to $\{1,2,\ldots,k\}$ such that every two adjacent edges or two edges adjacent to the same edge receive distinct colors. The {\em strong chromatic index} $\chi_s'(G)$…

Combinatorics · Mathematics 2018-01-24 Ilkyoo Choi , Jaehoon Kim , Alexandr V. Kostochka , André Raspaud
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