The Sombor index for unicyclic and bicyclic graphs with given (total) domination number

نویسندگان
Parsian, Ali ID 1
Alidadi, Amene ID 2
Arianpoor, Hassan ID 3

1 Department of Mathematics, Tafresh University, Tafresh 39518-79611, Iran.

2 Department of Mathematics, Tafresh University, Tafresh 39518-79611, Iran.

3 Department of Mathematics, Tafresh University, Tafresh 39518-79611, Iran.

doi
10.22061/jdma.2025.12248.1145
چکیده

The Sombor index is one of the vertex-degree-based topological indices that was introduced in 2021 by Gutman. In this paper we obtain some bounds of Sombor index of trees, unicyclic and bicyclic graphs with given (total) domination number.

کلیدواژه‌ها
Sombor index, (total) domination number, tree, unicyclic graph, bicyclic graph