Volume & Issue: Articles in Press
Number of Articles: 157
Determining the locating rainbow connection numbers of vertex-transitive graphs

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

10.22049/cco.2025.29742.2137

Ariestha Widyastuty Bustan; A.N.M. Salman; Etriana Putri

Sombor index of product of graphs

Articles in Press, Accepted Manuscript, Available Online from 30 January 2025

10.22049/cco.2025.30209.2360

Mohammad Reza Oboudi

The $r$-dynamic chromatic number of the corona product of graphs

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

10.22049/cco.2025.29285.1926

Sampathkumar R.; S. Anantharaman

Characterizing arc-colored digraphs with an Eulerian trail with restrictions in the color transitions

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

10.22049/cco.2025.29828.2178

Carlos Vilchis-Alfaro; Hortensia Galeana-Sánchez

An inequality for the Mostar index of line graphs of trees

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

10.22049/cco.2025.30201.2356

Muhammad Shoaib Sardar; Naveed Iqbal; Sharaft Hussain; Safyan Mukhtar; Wael W. Mohammed

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 metric dimension of cube of trees

Articles in Press, Accepted Manuscript, Available Online from 27 February 2025

10.22049/cco.2025.29750.2143

Sanchita Paul; Bapan Das; Avishek Adhikari; Laxman Saha

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

Maker-Breaker domination game on Cartesian products of graphs

Articles in Press, Accepted Manuscript, Available Online from 08 March 2025

10.22049/cco.2025.29866.2198

Pakanun Dokyeesun

On maximum tolerant Radon partitions for all-paths convexity in graphs

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

10.22049/cco.2025.29418.1986

Sreekumar Sreedharan; Manoj Changat; Kannan Balakrishnan

Robust optimality and duality for bilevel optimization problems under uncertain data

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

10.22049/cco.2025.29950.2236

Rishabh Pandey; Yogendra Pandey; Vinay Singh

Domination Chains in Graphs

Articles in Press, Accepted Manuscript, Available Online from 22 March 2025

10.22049/cco.2025.29853.2192

Mustapha Chellali; Stephen T Hedetniemi; Nacéra Meddah

Weak signed total Italian domination in graphs

Articles in Press, Accepted Manuscript, Available Online from 21 March 2025

10.22049/cco.2025.30397.2451

Lutz Volkmann

Multiset Dimension of Prisms

Articles in Press, Accepted Manuscript, Available Online from 25 March 2025

10.22049/cco.2025.29101.1852

Reginaldo M. Marcelo; Agnes D. Garciano; Jude Cabigas Buot; Mark Anthony C. Tolentino

A study on strong and geodetic domination integrity sets in graphs

Articles in Press, Accepted Manuscript, Available Online from 25 March 2025

10.22049/cco.2025.30077.2300

Zehui Shao; Saeed Kosari; Sundareswaran Raman; Balaraman Ganesan

Reciprocal distance Laplacian spectral radius of graphs

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

10.22049/cco.2025.29137.1857

Hilal Ahmad; Bilal Ahmad Rather; Yilun Shang

Pebbling in Sierpiński type graphs

Articles in Press, Accepted Manuscript, Available Online from 28 March 2025

10.22049/cco.2025.30166.2343

A. Sagaya Suganya; M. Joice Punitha

On some topological indices of Mycielskian graph and its complement

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

10.22049/cco.2025.30287.2400

K. Vinothkumar

Bilevel vector variational inequalities and multiobjective bilevel optimization problems

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

10.22049/cco.2025.29874.2200

Mohsine Jennane; El Mostafa Kalmoun

Algorithmic complexity of three domination subdivision number problems in graphs

Articles in Press, Accepted Manuscript, Available Online from 25 April 2025

10.22049/cco.2025.29896.2213

Deepak M. Bakal; Y.M. Borse; B.N. Waphare

Hybrid ant colony optimization algorithm with binary gray wolf optimization for detour metric dimension and bi-metric dimension problem

Articles in Press, Accepted Manuscript, Available Online from 25 April 2025

10.22049/cco.2025.29133.1855

H. Hendy; Mohammad Isa Irawan; Imam Mukhlash; R. Rinurwati

On the $s$-coloring of signed graphs

Articles in Press, Accepted Manuscript, Available Online from 28 April 2025

10.22049/cco.2025.30278.2395

Shariefuddin Pirzada; Muhammad A. Khan

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

General Randić index of unicyclic graphs with given maximum degree

Articles in Press, Accepted Manuscript, Available Online from 17 May 2025

10.22049/cco.2025.30340.2425

Elize Swartz; Tomáš Vetrík

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

Spectral properties of eccentricity sum matrix of graphs

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

10.22049/cco.2025.30199.2355

Balkishbanu Khaji; Shahistha Hanif; K. Arathi Bhat

Max-min degree index of a graph and it’s mathematical relation with other topological indices

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

10.22049/cco.2025.30390.2450

Shibsankar Das; Biswaranjan Khanra

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

Harmonic index and harmonic polynomial of some chemical graphs

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

10.22049/cco.2025.30426.2462

Abdul Jamil Nazary; Mohammad A. Iranmanesh

Signed total Italian $k$-domination

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

10.22049/cco.2025.30392.2449

Qin CHEN

A full-NT step interior-point method for weighted linear complementarity problem over symmetric cones

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

10.22049/cco.2025.29981.2251

Behrouz Kheirfam; Imelda S. Aniversario

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

Edge adding stability of graphs

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

10.22049/cco.2025.30108.2313

Arnfried Kemnitz; Massimiliano Marangio

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 spectral analysis of the Schultz index

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

10.22049/cco.2025.30370.2442

Angie L. Galán-Cipagauta; Juan Carlos Hernández-Gómez; Gerardo Reyna-Hernández; Jesús Romero-Valencia

On Distance Induced Seidel Matrices for Signed Graphs

Articles in Press, Accepted Manuscript, Available Online from 08 July 2025

10.22049/cco.2025.30248.2382

Biju K; Shahul Hameed Koombail

Optimality conditions for mathematical programming problem with equilibrium constraints in terms of tangential subdifferentiable

Articles in Press, Accepted Manuscript, Available Online from 09 July 2025

10.22049/cco.2025.30232.2375

Rishabh Pandey; Yogendra Pandey; vinay singh

The minimum cost problem of downgrading minimum lateness scheduling under uncertainty

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

10.22049/cco.2025.30140.2332

Hiep Thanh Tran; Duc Minh Phung; Kien Trung Nguyen

A novel procedure for identification of chief master regulatory genes in weighted gene regulatory networks

Articles in Press, Accepted Manuscript, Available Online from 09 July 2025

10.22049/cco.2025.30341.2426

Somayeh Bakhteh; Alireza Ghaffari-Hadigheh; Nader Chaparzadeh

A survey of bipartite tournaments

Articles in Press, Accepted Manuscript, Available Online from 17 July 2025

10.22049/cco.2025.30326.2415

Jay S. Bagga; Lowell W. Beineke

Extended Sombor Indices

Articles in Press, Accepted Manuscript, Available Online from 17 July 2025

10.22049/cco.2025.29344.1951

Sultan Ahmad; Rashid Farooq

On the Identification Numbers of Lobster Graphs

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

10.22049/cco.2025.29836.2183

Mark Anthony C. Tolentino; Luis Jr. S. Silvestre; Richwell T. Chan Sim; Amir Jann Erikson E. Diga; Althea Julia R. Loyola

Relation between $ABS$ index with some other topological indices

Articles in Press, Accepted Manuscript, Available Online from 19 July 2025

10.22049/cco.2025.30348.2429

Artes Rosalio Jr.; R.U. Gobithaasan; Hasni Roslan; N. Jafari Rad

Super spanning connectivity of the cartesian product of complete graphs

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

10.22049/cco.2025.29249.1909

Xiaoqian Wang; Eminjan Sabir

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

Proper $D$-lucky edge labeling of human chain graphs

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

10.22049/cco.2025.28529.1601

G. Rajini Ram; S. Hemalatha; K. Anitha

Quadratic optimization with a ball and a reverse ball constraints

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

10.22049/cco.2025.30641.2561

Abdelouahed Hamdi; Maziar Salahi; Saeid Ansary Karbasy; Temadher Almaadeed

The elliptic Sombor energy of graphs

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

10.22049/cco.2025.30210.2361

Dilbak Mohammad; Delbrin Ahmed; Muwafaq Salih

Lower bounds on the $k$-limited packing number of a graph

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

10.22049/cco.2025.30589.2546

Michael A. Henning; Nader Jafari Rad

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

Eccentric adjacency index of graph operations and its applications

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

10.22049/cco.2025.30525.2515

Shehnaz Akhter; Sourve Mondal; Zahid Raza

Distance spectra of neighbourhood corona of graphs

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

10.22049/cco.2025.30329.2417

K.D. Arathy; K. Pravas

Some remarks on the signed total Italian $k$-domination number of graphs

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

10.22049/cco.2025.30398.2452

Lutz Volkmann

The forgotten index of hypergraphs and some hypergraph operations

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

10.22049/cco.2025.30434.2466

Shashwath S Shetty; K Arathi Bhat

On Harary-Sombor index of graphs

Articles in Press, Accepted Manuscript, Available Online from 28 August 2025

10.22049/cco.2025.29942.2234

Mohammad Habibi; Amene Alidadi; Hassan Arianpoor

Extremal Zagreb indices of a tree with given double Roman domination number

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

10.22049/cco.2025.30411.2456

Mohammad Habibi; Amene Alidadi

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

The crossing number of $K_{5,n}$ without one edge

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

10.22049/cco.2025.30549.2526

Michal Staš; Maria Timková 

A new quasi-Newton algorithm for constructing the Pareto front of multiobjective optimization problems by implementing warm-start strategies

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

10.22049/cco.2025.30421.2459

Fereshteh Akbari; Esmaile Khorram; Mehrdad Ghaznavi

On the ABS spectrum and energy of graphs

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

10.22049/cco.2025.30274.2603

Swathi Shetty; B.R. Rakshith; Sayinath Udupa N V

Characterization of word-representable graphs using modular decomposition

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

10.22049/cco.2025.30487.2494

Tithi Dwary; K.V. Krishna

Uncertainty in inverse data envelopment analysis: A novel approach for $CO_2$ emission efficiency

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

10.22049/cco.2025.30515.2510

Jafar Pourmahmoud; Sima Aliabadi; Reza farzipour Saen; Alireza Ghaffari-Hadigheh

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

Some results on dominaion coloring and total domination coloring in graphs

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

10.22049/cco.2025.29531.2041

R. Srikantha; R. Rangarajan; David Ashok Kalarkop

A study on the complement graph of the completely separated topological graph

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

10.22049/cco.2025.30478.2491

Pynshngain Dhar; John Paul Jala Kharbhih

Join standard graph of a lattice

Articles in Press, Accepted Manuscript, Available Online from 17 October 2025

10.22049/cco.2025.30680.2577

N Aishwarya Nayak; Pallavi P; Syam Prasad Kuncham; Tapatee S; Harikrishnan P K

On digraphs with maximum first outdegree Zagreb index

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

10.22049/cco.2025.30676.2573

Hilal A. Ganie; Shariefuddin Pirzada

Vertex energy invariance in double graphs and bipartite double covers

Articles in Press, Accepted Manuscript, Available Online from 06 November 2025

10.22049/cco.2025.30721.2592

Cahit Dede; Kalpesh M. Popat

Eternal Domination Stability in Graphs

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

10.22049/cco.2025.30729.2595

P. Roushini Leely Pushpam

On extremal trees for the minimum Sombor index with fixed total domination number

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

10.22049/cco.2025.30519.2511

S. Bermudo; Paulo Guzmán; Fateme Movahedi

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

Exploring graphs where clique number meets coprime index

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

10.22049/cco.2025.30573.2539

Gahininath Sonawane

On invariants for 1-factorizations of K2n: Description and computation

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

10.22049/cco.2025.30792.2619

Saulo Matos; Rafael Melo; Tiago Januario; Sebastián Urrutia; Dominique de Werra

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

Bounds on the Neighborhood Inverse Sum In-degree Index of Graphs with Applications to Benzenoid

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

10.22049/cco.2025.30619.2555

Deepa Balasubramaniyan; Natarajan Chidambaram; Modjtaba Ghorbani

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

D-Distance magic labeling of $C^n_r$

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

10.22049/cco.2025.30451.2479

Maurice Genevieva Almeida; Tarkeshwar Singh

Optimization Through Localized Metric Resolvability

Articles in Press, Accepted Manuscript, Available Online from 30 November 2025

10.22049/cco.2025.30535.2522

Asim Nadeem; Kamran Azhar; Yilun Shang

SDCTD sets in some products of graphs and its application

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

10.22049/cco.2025.30985.2694

Zhipeng Liang; Jinxia Yang

New bounds on atom-bond sum-connectivity index in graphs

Articles in Press, Accepted Manuscript, Available Online from 16 December 2025

10.22049/cco.2025.31021.2714

Elaheh Mirzaeikhaki; Hadi Rahbani; Nader Jafari Rad; Hossein Abdollahzadeh Ahangar

Generalized MacWilliams identity for $\lambda$-Ply joint weight enumerators

Articles in Press, Accepted Manuscript, Available Online from 02 January 2026

10.22049/cco.2026.30339.2424

Maryam Taheri Afarani; Reza Kahkeshani

Sharp upper bounds on $KG$-Sombor index of graphs

Articles in Press, Accepted Manuscript, Available Online from 06 January 2026

10.22049/cco.2026.31014.2709

Enkhbayar Azjargal; Batmend Horoldagva; Lkhagva Buyantogtokh; Shiikhar Dorjsembe

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 note on the Estrada index of signed graphs

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

10.22049/cco.2026.31379.2838

Subarsha Banerjee

Counting the number of domatic partitions of specific graphs

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

10.22049/cco.2026.31164.2765

Pedram Asadzadeh; Saeid Alikhani

Analytical Study of Second Inverse Sum Indeg Index of Special Graphs

Articles in Press, Accepted Manuscript, Available Online from 29 January 2026

10.22049/cco.2026.31269.2801

Mohamadreza Rostami; Dariush Heidari; Ivan Gutman; Liju Alex

Domination parameters of graph covers

Articles in Press, Accepted Manuscript, Available Online from 15 February 2026

10.22049/cco.2026.30385.2446

Dickson Y.B. Annor

On max-min rodeg index of graphs

Articles in Press, Accepted Manuscript, Available Online from 19 February 2026

10.22049/cco.2026.30730.2597

Biswaranjan Khanra; Shibsankar Das

On size of $k$-stepwise irregular graphs and their degree based indices

Articles in Press, Accepted Manuscript, Available Online from 20 February 2026

10.22049/cco.2026.31308.2812

Yaser Alizadeh; Sandi Klavžar; Javaher Langari

Definability of some $k$-ary Relations Over Second Order kinds of Logics

Articles in Press, Accepted Manuscript, Available Online from 23 February 2026

10.22049/cco.2026.31006.2705

Simone Costa; Marco Dalai; Stefano Della Fiore; Anita Pasotti

Revisiting the outer-weakly convex domination number in graph products

Articles in Press, Accepted Manuscript, Available Online from 21 April 2026

10.22049/cco.2026.30308.2408

Bijo S. Anand; Ullas chandran S V; Jonecis A. Dayap; Leomarich F. Casinillo; Karen Luz P. Yap

Roman Coalition Partitions in Graphs

Articles in Press, Accepted Manuscript, Available Online from 21 April 2026

10.22049/cco.2026.30582.2542

Juan Carlos Valenzuela Tripodoro; Mustapha Chellali; Hamidreza Golmohammadi

On the Covering Array Number of $3$-uniform Qualitative Independence Hypergraphs

Articles in Press, Accepted Manuscript, Available Online from 25 April 2026

10.22049/cco.2026.30424.2472

Raina Mary Thomas; Yasmeen Akhtar

A Feasible Predictor-Corrector Interior-Point Method for Monotone Weighted Linear Complementarity Problems

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

10.22049/cco.2026.31466.2861

Behrouz Kheirfam; Imelda S. Aniversario; Afsaneh Nasrollahi

The Wiener Index of the Associate Graph of $Z_n$

Articles in Press, Accepted Manuscript, Available Online from 16 April 2026

10.22049/cco.2026.30991.2697

C.M. Barasara; K.D. Thakor

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

New bounds for Seidel energy of graphs

Articles in Press, Accepted Manuscript, Available Online from 22 April 2026

10.22049/cco.2026.30809.2627

Mohammad Reza Oboudi; Akbar Jahanbani; Reza Sharafdini

Coalition graphs of connected domination partitions in subcubic graphs

Articles in Press, Accepted Manuscript, Available Online from 25 April 2026

10.22049/cco.2026.31013.2710

Andrey A. Dobrynin; Aleksey N. Glebov

Not every graph can be reconstructed from its boundary distance matrix

Articles in Press, Accepted Manuscript, Available Online from 26 April 2026

10.22049/cco.2026.30664.2580

José Cáceres; Ignacio M Pelayo

Computing the precise total distance vertex irregularity strength of prism and web graphs

Articles in Press, Accepted Manuscript, Available Online from 01 May 2026

10.22049/cco.2026.30993.2698

Mohamed Basher; Martin Bača

Nicely graceful labellings of tadpoles

Articles in Press, Accepted Manuscript, Available Online from 03 May 2026

10.22049/cco.2026.30511.2509

I N. Suparta; M. Baca; M. Demange; A. Semaničová-Feňovčíková; N.L.D. Sintiari

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

Sibling graphs which are $k$-distance magic

Articles in Press, Accepted Manuscript, Available Online from 01 May 2026

10.22049/cco.2026.30162.2347

Sajidha Padinjarakath; Edy Tri Baskoro

Spectra of Complement of Power graphs on some finite groups

Articles in Press, Accepted Manuscript, Available Online from 01 May 2026

10.22049/cco.2026.30643.2562

Komal Kumari; Pratima Panigrahi

Clean Graphs and Idempotent Graphs over Finite Rings: An Approach Based on $\mathbb{Z}_n$

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

10.22049/cco.2026.31307.2811

Felicia Servina Djuang; Indah Emilia Wijayanti; Yeni Susanti

A simplicial homology interior-point algorithm for nonlinear programming

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

10.22049/cco.2026.30665.2567

Ayat Ababneh; Baha Alzalg

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

Remark on bounds for the Laplacian spread of a graph

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

10.22049/cco.2026.31215.2784

Mamta Verma; Ravinder Kumar

Extremal Sombor Index of Chemical trees

Articles in Press, Accepted Manuscript, Available Online from 11 May 2026

10.22049/cco.2026.30867.2745

Hafiza Munam Chand

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

Analyzing Energy and Defining New Classes of Borderenergetic Graphs

Articles in Press, Accepted Manuscript, Available Online from 20 May 2026

10.22049/cco.2026.30915.2666

Yasir Bashir; Bilal A. Chat; Hilal A. Ganie

Dynamic Maximum Capacity Path Interdiction with Asymmetric Information: Strongly Polynomial-Time Algorithms

Articles in Press, Accepted Manuscript, Available Online from 27 May 2026

10.22049/cco.2026.30488.2496

Masoud Aman; Javad Tayyebi; Abolfazl Abdolahzadeh

Platforming Trains in Multi-Line Stations Under Flexible Track Utilization Policy

Articles in Press, Accepted Manuscript, Available Online from 28 May 2026

10.22049/cco.2026.30275.2391

Emine Akyol Özer; Tuğba Saraç

Bi-Objective Resource Allocation for Cloud Service Providers: A Dichotomic Approach to Pareto Optimization

Articles in Press, Accepted Manuscript, Available Online from 30 May 2026

10.22049/cco.2026.30429.2465

A.H.S. Razavi; M. Zaferanieh; S. Sobati-Moghadam

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 coalition graphs and coalition count of graphs

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

10.22049/cco.2026.31056.2728

Swathi Shetty; Sayinath Udupa N V; Rakshith B R

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

On Harary-Euler Sombor index of a graph

Articles in Press, Accepted Manuscript, Available Online from 11 June 2026

10.22049/cco.2026.31160.2762

Mohammad Habibi

The geodesic-transversal problem on graphs of diameter at most three

Articles in Press, Accepted Manuscript, Available Online from 13 June 2026

10.22049/cco.2026.30949.2677

Anand M G; T Jeba Raj

On Eccentric Euler Sombor Index of a Graph

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

10.22049/cco.2026.30975.2686

Mohammad Habibi; Izudin Redžepović; Soheir Rouhani

Irregularity-Based Entropy Inequalities Determining Complete Interconnection Network Complexity

Articles in Press, Accepted Manuscript, Available Online from 20 June 2026

10.22049/cco.2026.31502.2870

Asfand Fahad; Muhammad Imran Qureshi; Muhammad Anwar Chaudhry; Rida Irfan; Anas Ashraf; Yilun Shang

Unimodular matrices and lattice paths enumeration via Pascal’s triangle

Articles in Press, Accepted Manuscript, Available Online from 20 June 2026

10.22049/cco.2026.31448.2856

S. Bera

Robust Toland-Fenchel-Lagrange duality for DC problem under uncertainty

Articles in Press, Accepted Manuscript, Available Online from 27 June 2026

10.22049/cco.2026.30309.2409

Ouédraogo Ali; Dosso Mouhamadou

Mond–Weir Duality and Optimality for Nonsmooth Vector Bilevel Programs in Terms of Approximations

Articles in Press, Accepted Manuscript, Available Online from 27 June 2026

10.22049/cco.2026.30734.2599

Rishabh Pandey; Yogendra Pandey; Vinay Singh

Some Results on Local Distance Antimagic Chromatic Number of Graphs*

Articles in Press, Accepted Manuscript, Available Online from 26 June 2026

10.22049/cco.2026.31314.2818

Maurice Genevieva Almeida; Tarkeshwar Singh

Construction of LCD codes from tridiagonal Toeplitz matrices

Articles in Press, Accepted Manuscript, Available Online from 30 June 2026

10.22049/cco.2026.30942.2674

Wajid M. Shaikh; Rupali S. Jain; B. Surendranath Reddy; Bhagyashri S. Patil

The extremal Sombor index of trees with a given dissociation number $\varphi$

Articles in Press, Accepted Manuscript, Available Online from 05 July 2026

10.22049/cco.2026.30982.2691

Joyentanuj Das

On the (outer)planarity of the intersection graph of idealization

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

10.22049/cco.2026.31194.2777

Nematollah Shirmohammadi; Akram Mahmoodi; Alireza Vahidi

A correction to the $R_k$-construction for graphs with integer Sombor index

Articles in Press, Accepted Manuscript, Available Online from 12 July 2026

10.22049/cco.2026.31339.2821

Luca Guerrini

An O(n^3) time algorithm for the maximum-weight limited-capacity many-to-many matching in bipartite graphs

Articles in Press, Accepted Manuscript, Available Online from 12 July 2026

10.22049/cco.2026.30709.2588

Fatemeh Rajabi-Alni; Behrouz Minaei-Bidgoli

Graphs with Equal Domination, Connected Domination, and Watching Numbers

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

10.22049/cco.2026.30851.2644

Kamran Mirasheh; Ahmad Abbasi; Ebrahim Vatandoost

$\mathbb{Z}_k$-Zonal Labeling of Plane Graphs

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

10.22049/cco.2026.31469.2863

Fatemeh Eskandari; Hassan Arianpoor; Mohammad Habibi

Augmented Sombor Index of Graph Operations

Articles in Press, Accepted Manuscript, Available Online from 25 July 2026

10.22049/cco.2026.31428.2847

Fatemeh Raei; Maryam Atapour; Roghaye Asadpour

Characterization and construction of total perfect codes in Semi-Cayley graphs

Articles in Press, Accepted Manuscript, Available Online from 26 July 2026

10.22049/cco.2026.31495.2872

Masoumeh Koohestani; Doost Ali Mojdeh; Mohsen Ghasemi

A note on the Sombor coindex of graphs

Articles in Press, Accepted Manuscript, Available Online from 28 July 2026

10.22049/cco.2026.31666.2920

Zhang Yun; Xuewu Zuo; Akbar Jahanbani; Murat Cancan

2-distance injective coloring of graphs

Articles in Press, Accepted Manuscript, Available Online from 29 July 2026

10.22049/cco.2026.30173.2346

Shahrzad Sadat Mirdamad; Doost Ali Mojdeh

Local multiset dimension of Triangular snake graph with an application to Truss Structures

Articles in Press, Accepted Manuscript, Available Online from 02 August 2026

10.22049/cco.2026.30438.2467

Narayani R Shankar; Chandrakala S B; Sooryanarayana B

Traversibility of subspace based nonzero component graph of vector spaces over finite fields

Articles in Press, Accepted Manuscript, Available Online from 26 August 2026

10.22049/cco.2026.30897.2658

S. Pirzada; Bilal A. Wani; Zhou Guofei

On prime coprime graphs of certain finite groups

Articles in Press, Accepted Manuscript, Available Online from 26 August 2026

10.22049/cco.2026.30921.2661

Ravi Ranjan; Shubh N. Singh

Cyclic codes over non-Frobenius ring $\mathbb{Z}_4+u\mathbb{Z}_4+v\mathbb{Z}_4$

Articles in Press, Accepted Manuscript, Available Online from 05 September 2026

10.22049/cco.2026.30614.2554

Zahra Goodarzi; Mohammadreza Alimoradi; Noah Aydin

‎Path length and Sackin index of random $m$-oriented recursive trees‎

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

10.22049/cco.2026.31556.2887

Ramin Kazemi; Sedigheh Zamani Mehreyan

Weak signed total double Roman $k$-domination number of graphs

Articles in Press, Accepted Manuscript, Available Online from 06 September 2026

10.22049/cco.2026.31439.2851

Jafar Amjadi; Zahra Nayebi; Lutz Volkmann

Communications in Combinatorics and Optimization

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