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Graphs with fixed number of pendent vertices and minimal Zeroth-order general Randić index

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  • Su, Guifu
  • Tu, Jianhua
  • Das, Kinkar Ch.

Abstract

We investigate the graph with minimal Zeroth-order general Randić index in terms of its order n, pendent number N1 and cyclomatic number γ ≥ 0. Extremal graphs were completely characterized for cases of γ=0,1,2, which can be directly extended for graphs with cyclomatic number γ ≥ 3.

Suggested Citation

  • Su, Guifu & Tu, Jianhua & Das, Kinkar Ch., 2015. "Graphs with fixed number of pendent vertices and minimal Zeroth-order general Randić index," Applied Mathematics and Computation, Elsevier, vol. 270(C), pages 705-710.
    • Handle: RePEc:eee:apmaco:v:270:y:2015:i:c:p:705-710
    DOI: 10.1016/j.amc.2015.08.060
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    References listed on IDEAS

    as
    1. Shi, Yongtang, 2015. "Note on two generalizations of the Randić index," Applied Mathematics and Computation, Elsevier, vol. 265(C), pages 1019-1025.
    2. Tsang, Eric W. K., 2014. "Old and New," Management and Organization Review, Cambridge University Press, vol. 10(03), pages 390-390, November.
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    Cited by:

    1. Das, Kinkar Ch. & Dehmer, Matthias, 2016. "Comparison between the zeroth-order Randić index and the sum-connectivity index," Applied Mathematics and Computation, Elsevier, vol. 274(C), pages 585-589.
    2. Das, Kinkar Ch., 2016. "On the Graovac–Ghorbani index of graphs," Applied Mathematics and Computation, Elsevier, vol. 275(C), pages 353-360.
    3. Cui, Qing & Zhong, Lingping, 2017. "The general Randić index of trees with given number of pendent vertices," Applied Mathematics and Computation, Elsevier, vol. 302(C), pages 111-121.
    4. Hua, Hongbo & Das, Kinkar Ch., 2016. "On the Wiener polarity index of graphs," Applied Mathematics and Computation, Elsevier, vol. 280(C), pages 162-167.
    5. Zhang, Xin, 2019. "Upper bound on the sum of powers of the degrees of graphs with few crossings per edge," Applied Mathematics and Computation, Elsevier, vol. 350(C), pages 163-169.
    6. Goubko, Mikhail, 2018. "Maximizing Wiener index for trees with given vertex weight and degree sequences," Applied Mathematics and Computation, Elsevier, vol. 316(C), pages 102-114.
    7. Lan, Yongxin & Li, Tao & Wang, Hua & Xia, Chengyi, 2019. "A note on extremal trees with degree conditions," Applied Mathematics and Computation, Elsevier, vol. 341(C), pages 70-79.
    8. Fang Gao & Xiaoxin Li & Kai Zhou & Jia-Bao Liu, 2018. "The Extremal Graphs of Some Topological Indices with Given Vertex k -Partiteness," Mathematics, MDPI, vol. 6(11), pages 1-11, November.

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