Main Subjects = Graph theory
Characterizations of Additively Graceful Signed Paths and Cycles

Articles in Press, Accepted Manuscript, Available Online from 01 May 2025

10.22049/cco.2025.30365.2436

Brian D'Souza; Jessica Pereira


Exact double domination in subdivision‎, Mycielskian and ‎middle graphs

Articles in Press, Accepted Manuscript, Available Online from 02 May 2025

10.22049/cco.2025.29949.2235

Ali Behtoei; Rozhin Zarifian


Topological properties of OTIS bijective connection graphs

Articles in Press, Accepted Manuscript, Available Online from 12 May 2025

10.22049/cco.2025.29342.1950

Paul Immanuel; Berin Greeni


Degree-weighted Sombor indices of trees and unicyclic graphs: An extremal approach

Articles in Press, Accepted Manuscript, Available Online from 12 May 2025

10.22049/cco.2025.30315.2413

Nasrin Dehgardi; Tomislav Došlić


On independent $k$-domination number of Hamming graphs

Articles in Press, Accepted Manuscript, Available Online from 18 May 2025

10.22049/cco.2025.30098.2315

Javad B. Ebrahimi


Hierarchy of Subfamilies of Ptolemaic Graphs: Axiomatic Characterizations and Interval Functions

Articles in Press, Accepted Manuscript, Available Online from 14 May 2025

10.22049/cco.2025.30144.2335

Abdultamim Ahadi; Arun Anil; Manoj Changat


Net-degree variance and Sombor index of signed graphs

Articles in Press, Accepted Manuscript, Available Online from 20 May 2025

10.22049/cco.2025.30436.2470

Sandeep Kumar; Deepa Sinha


Some classes of non-induced star-perfect graphs

Articles in Press, Accepted Manuscript, Available Online from 23 May 2025

10.22049/cco.2025.29860.2196

James Alex; Louis Caccetta


Finite groups whose commuting graphs are line graphs

Articles in Press, Accepted Manuscript, Available Online from 26 May 2025

10.22049/cco.2025.30252.2384

Siddharth Malviy; Vipul Kakkar


Derangement Representation of Graphs

Articles in Press, Accepted Manuscript, Available Online from 03 June 2025

10.22049/cco.2025.29684.2111

Somayeh Ashofteh; Moharram N. Iradmusa


Total double Roman domination stability in graphs

Articles in Press, Accepted Manuscript, Available Online from 10 June 2025

10.22049/cco.2025.30402.2453

Ziqiang Xu; Saeed Kosari; M. Esmaeili; Aysha Khan; Lutz Volkmann


Signed total Italian $k$-domination

Articles in Press, Accepted Manuscript, Available Online from 13 June 2025

10.22049/cco.2025.30392.2449

Qin CHEN


On the strength and independence number of powers of paths and cycles

Volume 10, Issue 4, December 2025, Pages 717-728

10.22049/cco.2024.29087.1839

Rikio Ichishima; Francisco Antonio Muntaner-Batle; Yukio Takahashi


On connected bipartite $Q$-integral graphs

Volume 10, Issue 4, December 2025, Pages 729-742

10.22049/cco.2024.29215.1895

Jesmina Pervin; Lavanya Selvaganesh


Total Roman domination and total domination in unit disk graphs

Volume 10, Issue 4, December 2025, Pages 803-823

10.22049/cco.2024.28647.1650

Sasmita Rout; Pawan Kumar Mishra; Gautam Kumar Das


Exploring the Precise Edge Irregularity Strength of Generalized Arithmetic and Geometric Staircase Graphs

Volume 10, Issue 4, December 2025, Pages 825-835

10.22049/cco.2024.28992.1804

Yeni Susanti; Muhammad Nurul Huda; Ramadhani Latief Firmansyah


The crossing numbers of join products of $K_4\cup K_1$ with cycles

Volume 10, Issue 4, December 2025, Pages 933-948

10.22049/cco.2024.28761.1706

Michal Staš; Maria Timková


Set colorings of the Cartesian product of some graph families

Volume 10, Issue 4, December 2025, Pages 1001-1016

10.22049/cco.2024.29090.1840

Mark Anthony C. Tolentino; Janree Ruark C. Gatpatan; Timothy Robin Y. Teng


On the zero forcing number of complementary prism graphs

Volume 10, Issue 3, September 2025, Pages 519-530

10.22049/cco.2023.27819.1362

M.R. Raksha; Charles Dominic


A characterization of locating Roman domination edge critical graphs

Volume 10, Issue 3, September 2025, Pages 531-537

10.22049/cco.2023.29108.1853

H. Abdollahzadeh Ahangar; H. Rahbani; M.R. Sadeghi


A new construction of regular and quasi-regular self-complementary graphs

Volume 10, Issue 3, September 2025, Pages 595-599

10.22049/cco.2024.28939.1790

Lata Kamble; Charusheela Deshpande; Bhagyashree Athawale


Total coalitions of cubic graphs of order at most 10

Volume 10, Issue 3, September 2025, Pages 601-615

10.22049/cco.2024.29015.1813

Hamidreza Golmohammadi