Main Subjects = Graph theory
Strong Alliances in Graphs

Volume 4, Issue 1, June 2019, Pages 1-13

10.22049/cco.2018.25921.1056

C. Hegde; B. Sooryanarayana


New skew equienergetic oriented graphs

Volume 4, Issue 1, June 2019, Pages 15-24

10.22049/cco.2018.26286.1093

Xiangxiang Liu; Ligong Wang; Cunxiang Duan


The Roman domination and domatic numbers of a digraph

Volume 4, Issue 1, June 2019, Pages 47-59

10.22049/cco.2019.26356.1101

Zhihong Xie; Guoliang Hao; Shouliu Wei


Classification of rings with toroidal annihilating-ideal graph

Volume 3, Issue 2, December 2018, Pages 93-119

10.22049/cco.2018.26060.1072

Selvakumar Krishnan; Subbulakshmi P


On the harmonic index of bicyclic graphs

Volume 3, Issue 2, December 2018, Pages 121-142

10.22049/cco.2018.26171.1081

Reza Rasi


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


Roman domination excellent graphs: trees

Volume 3, Issue 1, June 2018, Pages 1-24

10.22049/cco.2017.25806.1041

Vladimir D. Samodivkin


Total $k$-Rainbow domination numbers in graphs

Volume 3, Issue 1, June 2018, Pages 37-50

10.22049/cco.2018.25719.1021

Hossein Abdollahzadeh Ahangar; Jafar Amjadi; Nader Jafari Rad; Vladimir D. Samodivkin


Reformulated F-index of graph operations

Volume 2, Issue 2, September 2017, Pages 87-98

10.22049/cco.2017.13630

Hamideh Aram; Nasrin Dehgardi


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


Graceful labelings of the generalized Petersen graphs

Volume 2, Issue 2, September 2017, Pages 149-159

10.22049/cco.2017.25918.1055

Aleksander Vesel; Zehui Shao; Fei Deng; Zepeng Li


The locating-chromatic number for Halin graphs

Volume 2, Issue 1, June 2017, Pages 1-9

10.22049/cco.2017.13577

I.A. Purwasih; Edy T. Baskoro; H. Assiyatun; D. Suprijanto; M. Baca


On net-Laplacian Energy of Signed Graphs

Volume 2, Issue 1, June 2017, Pages 11-19

10.22049/cco.2017.13578

Nutan G. Nayak


On global (strong) defensive alliances in some product graphs

Volume 2, Issue 1, June 2017, Pages 21-33

10.22049/cco.2017.13595

Ismael Gonzalez Yero; Marko Jakovac; Dorota Kuziak


Peripheral Wiener Index of a Graph

Volume 2, Issue 1, June 2017, Pages 43-56

10.22049/cco.2017.13596

Kishori P Narayankar; Lokesh S B