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The signed edge-domatic number of nearly cubic graphs

Author

Listed:
  • Jia-Xiong Dan

    (Yangtze University)

  • Zhi-Bo Zhu

    (Yangtze University)

  • Xin-Kui Yang

    (Yangtze University)

  • Ru-Yi Li

    (Yangtze University)

  • Wei-Jie Zhao

    (Yangtze University)

  • Xiang-Jun Li

    (Yangtze University)

Abstract

A signed edge-domination of graph G is a function $$f:\ E(G)\rightarrow \{+1,-1\}$$ f : E ( G ) → { + 1 , - 1 } such that $$\sum _{e'\in N_{G}[e]}{f(e')}\ge 1$$ ∑ e ′ ∈ N G [ e ] f ( e ′ ) ≥ 1 for each $$e\in E(G)$$ e ∈ E ( G ) . A set $$\{ f_1,f_2,\ldots , f_d \}$$ { f 1 , f 2 , … , f d } of the signed edge-domination of G is called a family of signed edge-dominations of G if $$\sum _{i=1}^{d}{f_i(e)}\le 1 $$ ∑ i = 1 d f i ( e ) ≤ 1 for every $$e \in E(G)$$ e ∈ E ( G ) . The largest number of a family of signed edge-dominations of G is the signed edge-domatic number of G. This paper studies the signed edge-domatic number of nearly cubic graph, and determines this parameter for a class of graphs.

Suggested Citation

  • Jia-Xiong Dan & Zhi-Bo Zhu & Xin-Kui Yang & Ru-Yi Li & Wei-Jie Zhao & Xiang-Jun Li, 2022. "The signed edge-domatic number of nearly cubic graphs," Journal of Combinatorial Optimization, Springer, vol. 44(1), pages 435-445, August.
  • Handle: RePEc:spr:jcomop:v:44:y:2022:i:1:d:10.1007_s10878-021-00843-w
    DOI: 10.1007/s10878-021-00843-w
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    References listed on IDEAS

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    1. H. Abdollahzadeh Ahangar & Michael A. Henning & Christian Löwenstein & Yancai Zhao & Vladimir Samodivkin, 2014. "Signed Roman domination in graphs," Journal of Combinatorial Optimization, Springer, vol. 27(2), pages 241-255, February.
    2. Abdollahzadeh Ahangar, H. & Álvarez, M.P. & Chellali, M. & Sheikholeslami, S.M. & Valenzuela-Tripodoro, J.C., 2021. "Triple Roman domination in graphs," Applied Mathematics and Computation, Elsevier, vol. 391(C).
    3. Jing Chen & Xinmin Hou & Ning Li, 2012. "The total {k}-domatic number of wheels and complete graphs," Journal of Combinatorial Optimization, Springer, vol. 24(3), pages 162-175, October.
    4. S. M. Sheikholeslami & L. Volkmann, 2012. "The total {k}-domatic number of a graph," Journal of Combinatorial Optimization, Springer, vol. 23(2), pages 252-260, February.
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