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Related papers: Note on list star edge-coloring of subcubic graphs

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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

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

\textit{A star edge coloring} of a graph is a proper edge coloring without bichromatic paths and cycles of length four. In this paper we establish tight upper bounds for trees and subcubic outerplanar graphs, and derive an upper bound for…

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

The star chromatic index of a multigraph $G$, denoted $\chi'_{st}(G)$, is the minimum number of colors needed to properly color the edges of $G$ such that no path or cycle of length four is bicolored. We survey the results of determining…

Combinatorics · Mathematics 2020-09-18 Hui Lei , Yongtang Shi

The star chromatic index $\chi_s'(G)$ of a graph $G$ is the minimum number of colors needed to properly color the edges of the graph so that no path or cycle of length four is bi-colored. We obtain a near-linear upper bound in terms of the…

Combinatorics · Mathematics 2015-03-17 Zdeněk Dvořák , Bojan Mohar , Robert Šámal

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

A strong edge-coloring of a graph is a proper edge-coloring, in which the edges of every path of length 3 receive distinct colors; in other words, every pair of edges at distance at most 2 must be colored differently. The least number of…

Combinatorics · Mathematics 2025-12-03 Borut Lužar , Edita Máčajová , Roman Soták , Diana Švecová

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 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

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

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 strong edge coloring of a graph $G$ is an assignment of colors to the edges of $G$ such that two distinct edges are colored differently if they are incident to a common edge or share an endpoint. The strong chromatic index of a graph $G$,…

Combinatorics · Mathematics 2025-07-17 Yunfang Tang , Zhiwei Bi

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

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 \emph{star coloring} of a graph $G$ is a proper vertex-coloring such that no path on four vertices is $2$-colored. The minimum number of colors required to obtain a star coloring of a graph $G$ is called star chromatic number and it is…

Combinatorics · Mathematics 2023-05-30 Harshit Kumar Choudhary , I. Vinod Reddy

We show that the circular chromatic index of a (sub)cubic graph with girth at least six is at most 7/2.

Combinatorics · Mathematics 2010-05-28 D. Král' , E. Mácajová , J. Mazák , J. -S. Sereni

A strong $k$-edge-coloring of a graph G is an edge-coloring with $k$ colors in which every color class is an induced matching. The strong chromatic index of $G$, denoted by $\chi'_{s}(G)$, is the minimum $k$ for which $G$ has a strong…

Combinatorics · Mathematics 2018-09-11 Tianjiao Dai , Guanghui Wang , Donglei Yang , Gexin Yu

A star coloring of a graph $G$ is a proper vertex coloring such that the subgraph induced by any pair of color classes is a star forest. The star chromatic number of $G$ is the minimum number of colors needed to star color $G$. In this…

Combinatorics · Mathematics 2017-10-12 Sumun Iyer

The star chromatic index of a graph $G$, denoted by $\chi^\prime_s(G)$, is the smallest integer $k$ for which $G$ admits a proper edge coloring with $k$ colors such that every path and cycle of length four is not bicolored. Let $d$ be the…

Combinatorics · Mathematics 2024-10-22 Behnaz Omoomi Marzieh Vahid Dastjerdi
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