Author = Gutman,%20Ivan
Intuitionistic fuzzy Sombor indices: A novel approach for improving the performance of vaccination centers

Articles in Press, Accepted Manuscript, Available Online from 12 January 2024

10.22049/cco.2023.28767.1709

Muhammad Kamran Jamil; Shaban Anwer; Muhammad Azeem; Ivan Gutman


Elliptic Sombor index of chemical graphs

Articles in Press, Accepted Manuscript, Available Online from 22 April 2024

10.22049/cco.2024.29404.1977

Carlos Espinal; Ivan Gutman; Juan Rada


Bounds of Sombor Index for Corona Products on $R$-Graphs

Volume 9, Issue 1, March 2024, Pages 101-117

10.22049/cco.2022.27904.1391

Ishita Sarkar; Manjunath Nanjappa; Ivan Gutman


New bounds on Sombor index

Volume 8, Issue 2, June 2023, Pages 305-311

10.22049/cco.2022.27600.1296

Ivan Gutman; Necla Kircali Gürsoy; Arif Gürsoy; Alper Ülker


Sombor index of some graph transformations

Volume 8, Issue 1, March 2023, Pages 193-205

10.22049/cco.2021.27484.1272

Harishchandra S. Ramane; Ivan Gutman; Kavita Bhajantri; Deepa V. Kitturmath


Leap Zagreb indices of trees and unicyclic graphs

Volume 3, Issue 2, December 2018, Pages 179-194

10.22049/cco.2018.26285.1092

Ivan Gutman; Zehui Shao; Zepeng Li; ShaohuiShaohui Wang; Pu We


On leap Zagreb indices of graphs

Volume 2, Issue 2, September 2017, Pages 99-117

10.22049/cco.2017.25949.1059

Ivan Gutman; Ahmed M Naji; Nandappa D Soner