| Issue |
RAIRO-Theor. Inf. Appl.
Volume 57, 2023
|
|
|---|---|---|
| Article Number | 11 | |
| Number of page(s) | 11 | |
| DOI | https://doi.org/10.1051/ita/2023005 | |
| Published online | 07 December 2023 | |
Maximum values of sombor index of bicyclic graphs with a given matching number
College of Mathematics Science, Inner Mongolia Minzu University, Tongliao 028000, PR China
* Corresponding author: xuchunlei1981@sina.cn
Received:
24
February
2023
Accepted:
7
July
2023
Sombor index is a popular vertex-degree-based topological index recently. In this paper, the maximum values of Sombor index for the class of all bicyclic graphs with a given matching number are wholly determined, then the extremal graphs with these maximum values are also characterized.
Mathematics Subject Classification: 05C35 / 05C09 / 92E10 / 05C07
Key words: Match number / bicyclic graphs / Sombor index
© The authors. Published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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