شماره ركورد كنفرانس
5263
عنوان مقاله
On a variant of Sombor index and trees with fixed maximum degree
پديدآورندگان
Dehgardi Nasrin n.dehgardi@sirjantech.ac.ir Department of Mathematics and Computer Science, Sirjan University of Technology, Sirjan, Iran , Falahati-Nezhad Farzaneh farzanehfalahati_n@yahoo.com Department of Mathematics, Safadasht Branch, Islamic Azad University, Tehran, Iran , Azari Mahdieh mahdie.azari@gmail.com Department of Mathematics, Kazerun Branch, Islamic Azad University, P. O. Box: 73135-168, Kazerun, Iran
تعداد صفحه
3
كليدواژه
Graph invariant , tree , maximum degree , lower bound
سال انتشار
1402
عنوان كنفرانس
54 امين كنفرانس رياضي ايران
زبان مدرك
انگليسي
چكيده فارسي
The Sombor index is a novel vertex-degree-based graph invariant introduced by Ivan Gutman in 2021. Recently, a variant of the Sombor index namely the irregularity Sombor index was put forward as a measure of irregularity in graphs. Our purpose is to establish a sharp lower bound on the irregularity Sombor index of trees based on the maximum degree and to characterize the extremal trees reach the lower bound.
كشور
ايران
لينک به اين مدرک