Main Subjects = Chemical graph theory
On graphs with integer Sombor indices

Articles in Press, Accepted Manuscript, Available Online from 10 June 2023

10.22049/cco.2023.28334.1510

Marzie Sepehr; Nader Jafari Rad


Bounds on Sombor index and inverse sum indeg (ISI) index of graph operations

Articles in Press, Accepted Manuscript, Available Online from 08 August 2023

10.22049/cco.2023.28718.1684

Fareeha Jamal; Muhammad Imran


Some observations on Sombor coindex of graphs

Articles in Press, Accepted Manuscript, Available Online from 10 September 2023

10.22049/cco.2023.28762.1707

Emina Milovanović; Stefan Stankov; Marjan Matejić; Igor Milovanović


On spectral properties of neighbourhood second Zagreb matrix of graph

Articles in Press, Accepted Manuscript, Available Online from 10 November 2023

10.22049/cco.2023.28424.1546

Sasmita Barik; Piyush Verma


Optimizing the Gutman Index: A Study of minimum Values Under Transformations of Graphs

Articles in Press, Accepted Manuscript, Available Online from 10 December 2023

10.22049/cco.2023.28845.1747

Zahid Raza; Bilal Ahmad Rather


Degree distance index of class of graphs

Articles in Press, Accepted Manuscript, Available Online from 15 December 2023

10.22049/cco.2023.28325.1506

Harshitha A; Sabitha D'Souza; Pradeep G Bhat


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


On the ordering of the Randić index of unicyclic and bicyclic graphs

Articles in Press, Accepted Manuscript, Available Online from 25 December 2023

10.22049/cco.2023.28665.1661

Venkatesan Maitreyi; Suresh Elumalai; Bala Chandran Selvraj


A ‎note‎ ‎on‎ ‎the‎ ‎r‎e-defined third Zagreb index of trees

Articles in Press, Accepted Manuscript, Available Online from 29 December 2023

10.22049/cco.2023.28868.1757

Nasrin Dehgardi


A New Measure for Transmission Irregularity Extent of Graphs

Articles in Press, Accepted Manuscript, Available Online from 05 April 2024

10.22049/cco.2024.28950.1791

Mahdieh Azari


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


New bounds on distance Estrada index of graphs

Articles in Press, Accepted Manuscript, Available Online from 10 June 2024

10.22049/cco.2024.29488.2022

Mohammad Reza Oboudi


Edge Corona Product And Its Topological Descriptors with Applications in Complex Molecular Structures

Articles in Press, Accepted Manuscript, Available Online from 10 June 2024

10.22049/cco.2024.29326.1943

Muhammad Waheed; Muhammad Faisal Bashir; Muhammad Kamran Jamil; Aisha Javed; Ismail Naci Cangul


A note on graphs with integer Sombor index

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

10.22049/cco.2024.29474.2013

Noor A'lawiah Abd Aziz


PI Index of Bicyclic Graphs

Volume 9, Issue 3, September 2024, Pages 425-436

10.22049/cco.2023.27817.1360

Manju SC; Somasundaram K


The higher-order Sombor index

Volume 9, Issue 3, September 2024, Pages 579-594

10.22049/cco.2023.28658.1654

Meiling You; Hanyuan Deng


Mathematical results on harmonic polynomials

Volume 9, Issue 2, June 2024, Pages 279-295

10.22049/cco.2023.28920.1779

Walter Carballosa; J. E. Nápoles; José M. Rodríguez; O. Rosario; José M. Sigarreta


Some lower bounds on the Kirchhoff index

Volume 9, Issue 1, March 2024, Pages 27-36

10.22049/cco.2022.27898.1389

Stefan Stankov; Igor Milovanovic; Emina Milovanovic; Marjan Matejic


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


Lower bound on the KG-Sombor index

Volume 8, Issue 4, December 2023, Pages 751-757

10.22049/cco.2023.28666.1662

Saeed Kosari; Nasrin Dehgardi; Aysha Khan


On Sombor coindex of graphs

Volume 8, Issue 3, September 2023, Pages 513-529

10.22049/cco.2022.27751.1343

Chinglensana Phanjoubam; Sainkupar Marwein Mawiong; Ardeline M Buhphang


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


A lower bound for the second Zagreb index of trees with given Roman domination number

Volume 8, Issue 2, June 2023, Pages 391-396

10.22049/cco.2022.27553.1288

Ayu Ameliatul Shahilah Ahmad Jamri; Fateme Movahedi; Roslan Hasni; Mohammad Hadi Akhbari


Some new bounds on the modified first Zagreb index

Volume 8, Issue 1, March 2023, Pages 13-21

10.22049/cco.2021.27159.1205

Igor Milovanović; Emina Milovanović; Marjan Matejić; Akbar Ali


On the Zagreb indices of graphs with given Roman domination number

Volume 8, Issue 1, March 2023, Pages 141-152

10.22049/cco.2021.27439.1263

Ayu Ameliatul Shahilah Ahmad Jamri; Roslan Hasni; Sharifah Kartini Said Husain