The Communications in Combinatorics and Optimization (CCO) is a peer-reviewed journal having two issues annually. The journal is devoted to advancing and promoting the theory and applications of combinatorics and optimization and interdisciplinary. It is aimed to publish original high quality refereed papers, occasionally survey articles and short notes. There are no fees for submitting, processing or publishing an article in Communications in Combinatorics and Optimization CCO publishes two issues annually, the first issue at the end of June and the second issue at the end of December. 


We are delighted to announce that Communications in Combinatorics and Optimization is indexed by Scopus
Since 1400 (Iranian calendar) -2021, Communications in Combinatorics and Optimization is indexed by the MSRT as an International  scientific and research journal. Congratulations to all contributors. 
Special Issue "Selected Papers from The International Conference on Graphs, Combinatorics and Optimization (ICGCO-2022) Submit your manuscript here
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  All submissions to CCO are checked by the iThenticate plagiarism software checker before being processed for peer review. 




Current Issue: Volume 7, Issue 2, December 2022, Pages 121-311 

On the total liar's domination of graphs

Pages 169-175


Narjes Seyedi; Hamid Reza Maimani; Abolfazl Tehranian

Eccentric completion of a graph

Pages 193-201


Manakkulam Rohith Raja; Tabitha Agnes Mangam; Sudev Naduvath

Entire Wiener index of graphs

Pages 227-245


Ismail Naci CANGUL; Anwar Saleh; Akram Alqesmah; Hanaa Alashwali

Algorithmic aspects of certified domination in graphs

Pages 247-255


Pavan Kumar Jakkepalli; Subramanian Arumugam; Himanshu Khandelwal; Venkata Subba Reddy P.