Main Subjects = Algebraic combinatorics
Some results on the strongly annihilator ideal graph of a lattice

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

10.22049/cco.2025.29956.2240

Vikas Kulal; Anil Khairnar


On harmonic complex Narayana-Lucas sequences and harmonic hybrid Narayana-Lucas sequences

Articles in Press, Accepted Manuscript, Available Online from 05 March 2025

10.22049/cco.2025.30102.2309

Shilpa Kapoor; Pankaj Kumar


A note on the maximum $A_{\alpha}$-spectral radius of some classes of graphs

Articles in Press, Accepted Manuscript, Available Online from 11 June 2025

10.22049/cco.2025.30097.2308

Jharna Kalita; Somnath Paul; Indulal G; Deena C Scaria


On the essential graph of a poset

Articles in Press, Accepted Manuscript, Available Online from 29 June 2025

10.22049/cco.2025.29478.2093

Reza Nikandish; Esmaeel Eskandari; Amin Motamedinasab


Skew-cyclic and skew-quasi-cyclic codes over a general infinite family of rings

Articles in Press, Accepted Manuscript, Available Online from 07 July 2025

10.22049/cco.2025.29232.1901

Djoko Suprijanto; Irwansyah Irwansyah


A graph-theoretic proof of Cramer's rule

Articles in Press, Accepted Manuscript, Available Online from 04 August 2025

10.22049/cco.2025.30706.2586

Sudip Bera


Interconnections between the different energies of the complements of regular graphs

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

10.22049/cco.2025.29910.2219

B. Parvathalu; Keerthi G. Mirajkar; Roopa S. Naikar; Ismail N. Cangul


Homogeneous symmetric functions and new generating functions for products of some numbers with bivariate Mersenne and bivariate Mersenne Lucas polynomials

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

10.22049/cco.2025.29817.2170

Amina Daoui; Ali Boussayoud; Noureddine Midoune; khadidja Boubellouta


Algebraic structures of Fibonacci matrices over ring

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

10.22049/cco.2025.30256.2387

Hrishikesh Mahato


Simple-intersection Graphs of S-acts

Articles in Press, Accepted Manuscript, Available Online from 15 November 2025

10.22049/cco.2025.30632.2558

Xingliang Liang; Yujie Wang; Xiaojie Chen


A Study of Cyclic and Constacyclic Codes over $\mathbb{Z}_{4}+u_{2}\mathbb{Z}_{4}+u_{3}\mathbb{Z}_{4}+\ldots+u_{t}\mathbb{Z}_{4}$

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

10.22049/cco.2025.30480.2499

Bhagyashri Sangameshwar Patil; Arunkumar R. Patil; Suryakant M. Jogdand


Properties of Subwords of Binary Words under Dejean morphism

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

10.22049/cco.2025.30296.2405

Somnath Bera; Sastha Sriram; A.S. Prasanna Venkatesan; Atulya K. Nagar; K.G. Subramanian


On generalized commutative Leonardo quaternions and their generalization

Articles in Press, Accepted Manuscript, Available Online from 08 January 2026

10.22049/cco.2026.30871.2653

Hasan Gökbaş; Anetta Szynal-Liana


A class of Unit $\mathbb Z_{r}$-Simplex codes

Articles in Press, Accepted Manuscript, Available Online from 18 April 2026

10.22049/cco.2026.29864.2197

J. Mahalakshmi; J. Prabu; Anjana G. Pai


Spectral properties of a new distance-based matrix

Articles in Press, Accepted Manuscript, Available Online from 04 May 2026

10.22049/cco.2026.31172.2767

Razie Alidehi-Ravandi; Modjtaba Ghorbani


Homological properties of the edge ideals for trees with small diameter

Articles in Press, Accepted Manuscript, Available Online from 10 May 2026

10.22049/cco.2026.31460.2859

Bilal Ahmad Rather; Maurizio Brunetti; Jianfeng Wang


New generalizations and identities of Mersenne-Lucas numbers and polynomials with structural constraints

Articles in Press, Accepted Manuscript, Available Online from 17 May 2026

10.22049/cco.2026.30674.2571

Kalika Prasad; Mritunjay Kumar Singh; Munesh Kumari


On unimodular tricyclic graphs with a unique perfect matching

Articles in Press, Accepted Manuscript, Available Online from 31 May 2026

10.22049/cco.2026.30800.2622

Parameswar Basumatary; Debajit Kalita


On the Aα-Spectrum of Superpower Graphs Associatedwith Dihedral Groups

Articles in Press, Accepted Manuscript, Available Online from 07 June 2026

10.22049/cco.2026.30978.2688

Basit Auyoob Mir; Fouzul Atik; Bilal Ahmad Rather


Edge graceful labeling on neutrosophic graphs

Volume 11, Issue 3, September 2026, Pages 871-895

10.22049/cco.2024.28826.1740

G. Vetrivel; M. Mullai


Line graph characterization of the order supergraph of a finite group

Volume 11, Issue 2, June 2026, Pages 407-417

10.22049/cco.2024.29375.1962

M. Manisha; P. Parveen; Jitender Kumar


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

Volume 11, Issue 2, June 2026, Pages 487-501

10.22049/cco.2024.29160.1875

Nithish Kumar R; Vadiraja Bhatta G R; Prasanna Poojary


On the comaximal graph of a non-quasi-local atomic domain

Volume 11, Issue 1, March 2026, Pages 33-48

10.22049/cco.2024.28332.1508

Subramanian Visweswaran; Premkumar T. Lalchandani