Volume & Issue: Volume 11, Issue 2, June 2026, Pages 307-715 
Some new families of KP-digraphs

Pages 363-386

10.22049/cco.2024.29190.1885

Germán Benítez-Bobadilla; Hortensia Galeana-Sánchez; César Hernández-Cruz


Additive closedness in subsets of $\mathbb{Z}_n$

Pages 487-501

10.22049/cco.2024.29160.1875

Nithish Kumar R; Vadiraja Bhatta G R; Prasanna Poojary


Mixed double Roman domination in graphs

Pages 503-519

10.22049/cco.2024.28947.1789

H. Abdollahzadeh Ahangar; M. Chellali; S.M. Sheikholeslami; J.C. Valenzuela Tripodoro


Weighted topological indices of graphs

Pages 643-659

10.22049/cco.2024.29895.2211

Zahid Raza; Bilal Ahmad Rather; Modjtaba Ghorbani