Volume & Issue: Articles in Press

Normalized distance Laplacian matrices for signed graphs

Articles in Press, Accepted Manuscript, Available Online from 10 May 2022

10.22049/cco.2022.27514.1282

ROSHNI T ROY; Germina K A; Shahul Hameed K


Signed total Italian domination in digraphs

Articles in Press, Accepted Manuscript, Available Online from 05 June 2022

10.22049/cco.2022.27700.1318

Lutz Volkmann


Weak Roman domination stable graphs upon edge-addition

Articles in Press, Accepted Manuscript, Available Online from 20 June 2022

10.22049/cco.2022.27765.1348

Roushini Leely Pushpam; NAGARAJAN SRILAKSHMI


On the Total Monophonic Number of a Graph

Articles in Press, Accepted Manuscript, Available Online from 25 June 2022

10.22049/cco.2022.27731.1331

Subramanian Arumugam; Santhakumaran A.P.; Titus P.; Ganesamoorthy K.; Murugan M.


Domination parameters of the splitting graph of a graph

Articles in Press, Accepted Manuscript, Available Online from 10 July 2022

10.22049/cco.2022.27871.1376

Deepalakshmi J; Marimuthu G; Somasundaram Arumugam; Subramanian Arumugam


An upper bound on triple Roman domination

Articles in Press, Accepted Manuscript, Available Online from 18 July 2022

10.22049/cco.2022.27816.1359

M. Hajjari; Hossein Abdollahzadeh Ahangar; Rana Khoeilar; Zehui Shao; S.M. Sheikholeslami


On Sombor coindex of graphs

Articles in Press, Accepted Manuscript, Available Online from 25 July 2022

10.22049/cco.2022.27751.1343

Chinglensana Phanjoubam; Sainkupar Marwein Mawiong; Ardeline M Buhphang


Signless Laplacian eigenvalues of the zero divisor graph associated to finite commutative ring $ \mathbb{Z}_{p^{M_{1}}~q^{M_{2}}} $

Articles in Press, Accepted Manuscript, Available Online from 25 July 2022

10.22049/cco.2022.27783.1353

Shariefuddin Pirzada; Bilal Rather; Rezwan Ul Shaban; Tariq Chishti


The Cartesian product of wheel graph and path graph is antimagic

Articles in Press, Accepted Manuscript, Available Online from 08 August 2022

10.22049/cco.2022.27645.1307

Ancy Kandathil Joseph; Joseph Varghese Kureethara


Double Roman domination in graphs: algorithmic complexity

Articles in Press, Accepted Manuscript, Available Online from 10 August 2022

10.22049/cco.2022.27661.1309

Abolfazl Poureidi


Total restrained Roman domination

Articles in Press, Accepted Manuscript, Available Online from 15 August 2022

10.22049/cco.2022.27628.1303

Jafar Amjadi; Babak Samadi; Lutz Volkmann


On signs of several Toeplitz--Hessenberg determinants whose elements contain central Delannoy numbers

Articles in Press, Accepted Manuscript, Available Online from 05 September 2022

10.22049/cco.2022.27707.1324

Da-Wei Niu; Wen-Hui Li; Feng Qi


Linear-time construction of floor plans for plane triangulations

Articles in Press, Accepted Manuscript, Available Online from 20 August 2022

10.22049/cco.2022.27814.1361

Pinki Pinki; Krishnendra Shekhawat


On local antimagic chromatic number of various join graphs

Articles in Press, Accepted Manuscript, Available Online from 22 August 2022

10.22049/cco.2022.27937.1399

K. Premalatha; Gee-Choon Lau; Subramanian Arumugam; W.C. Shiu


A homogeneous predictor-corrector algorithm for stochastic nonsymmetric convex conic optimization with discrete support

Articles in Press, Accepted Manuscript, Available Online from 27 August 2022

10.22049/cco.2022.27449.1266

Baha Alzalg; Mohammad Alabedalhadi


Cycle transit function and betweenness

Articles in Press, Accepted Manuscript, Available Online from 05 September 2022

10.22049/cco.2022.27730.1332

Lekshmi Kamal K Sheela; M. Changat; Asha Paily


On several new closed-form evaluations for the generalized hypergeometric functions

Articles in Press, Accepted Manuscript, Available Online from 06 September 2022

10.22049/cco.2022.27794.1355

B. R. Srivatsa Kumar; Dongkyu Lim; Arjun K. Rathie


Roman domination number of signed graphs

Articles in Press, Accepted Manuscript, Available Online from 10 September 2022

10.22049/cco.2022.27733.1341

James Joseph; MAYAMMA JOSEPH


Uniqueness of rectangularly dualizable graphs

Articles in Press, Accepted Manuscript, Available Online from 08 September 2022

10.22049/cco.2022.27774.1350

Vinod Kumar; Krishnendra Shekhawat


Bounds of point-set domination number

Articles in Press, Accepted Manuscript, Available Online from 08 September 2022

10.22049/cco.2022.27701.1319

Alka Goyal; Lakshmisree Bandopadhyaya; Purnima Gupta


Some properties of the essential annihilating-ideal graph of commutative rings

Articles in Press, Accepted Manuscript, Available Online from 15 September 2022

10.22049/cco.2022.27827.1365

Mohd Nazim; Nadeem Ur REHMAN; Shabir Ahmad Mir


Leech Graphs

Articles in Press, Accepted Manuscript, Available Online from 03 October 2022

10.22049/cco.2022.27735.1339

Seena Varghese; Aparna Lakshmanan Savithri; Subramanian Arumugam


Some lower bounds on the Kirchhoff index

Articles in Press, Accepted Manuscript, Available Online from 23 October 2022

10.22049/cco.2022.27898.1389

Stefan Stankov; Igor Milovanovic; Emina Milovanovic; Marjan Matejic


A note on odd facial total-coloring of cacti

Articles in Press, Accepted Manuscript, Available Online from 25 October 2022

10.22049/cco.2022.27895.1388

Julius Czap


Bounds of Sombor Index for Corona Products on R-Graphs

Articles in Press, Accepted Manuscript, Available Online from 21 October 2022

10.22049/cco.2022.27904.1391

Manjunath Nanjappa; Ishita Sarkar; Ivan Gutman


Chromatic Transversal Roman Domination in Graphs

Articles in Press, Accepted Manuscript, Available Online from 25 October 2022

10.22049/cco.2022.27728.1346

Roushini Leely Pushpam


On chromatic number and clique number in k-step Hamiltonian graphs

Articles in Press, Accepted Manuscript, Available Online from 03 November 2022

10.22049/cco.2022.27970.1407

Noor A'lawiah Abd Aziz; Nader Jafari Rad; Hailiza Kamarulhaili; Roslan Hasni


On Equitable Near Proper Coloring of Graphs

Articles in Press, Accepted Manuscript, Available Online from 03 November 2022

10.22049/cco.2022.27240.1218

Sabitha Jose; Libin Chacko Samuel; Sudev Naduvath


Balance theory: An extension to conjugate skew gain graphs

Articles in Press, Accepted Manuscript, Available Online from 10 November 2022

10.22049/cco.2022.27933.1397

Shahul Hameed Koombail; Ramakrishnan K O


Multiplicative Zagreb indices of trees with given domination number

Articles in Press, Accepted Manuscript, Available Online from 20 November 2022

10.22049/cco.2022.27972.1409

Tomas Vetrik; Marcel Abas


Tetravalent half-arc-transitive graphs of order $12p$

Articles in Press, Accepted Manuscript, Available Online from 20 November 2022

10.22049/cco.2022.27990.1414

Mohsen Ghasemi; Narges Mehdipoor; Ali Asghar Talebi


Triangular Tile Latching System

Articles in Press, Accepted Manuscript, Available Online from 22 November 2022

10.22049/cco.2022.27994.1415

Kanchan Devi K; Subramanian Arumugam


Graphoidally Independent Infinite Cactus

Articles in Press, Accepted Manuscript, Available Online from 30 November 2022

10.22049/cco.2022.27745.1338

Deepti Jain; Purnima Gupta


Total Chromatic Number for Certain Classes of Lexicographic Product Graphs

Articles in Press, Accepted Manuscript, Available Online from 10 December 2022

10.22049/cco.2022.27736.1333

Sandhiya T P; Geetha J; Somasundaram K


Further results on the j-independence number of graphs

Articles in Press, Accepted Manuscript, Available Online from 10 December 2022

10.22049/cco.2022.28012.1417

Ahmed Bouchou; Mustapha Chellali


Maximizing the indices of a class of signed complete graphs

Articles in Press, Accepted Manuscript, Available Online from 17 December 2022

10.22049/cco.2022.28103.1442

Navid Kafai; Farideh Heydari


The Length of the Longest Sequence of Consecutive FS-double Squares in a Word

Articles in Press, Accepted Manuscript, Available Online from 25 December 2022

10.22049/cco.2022.27917.1395

Maithilee Patawar; Kalpesh Kapoor


Extremal Kragujevac trees with respect to Sombor indices

Articles in Press, Accepted Manuscript, Available Online from 03 January 2023

10.22049/cco.2023.28058.1430

Tsend-Ayush Selenge; Batmend Horoldagva


Algorithmic complexity of triple Roman dominating functions on graphs

Articles in Press, Accepted Manuscript, Available Online from 10 January 2023

10.22049/cco.2023.27884.1385

Abolfazl Poureidi; Jafar Fathali


A Counter example on the Conjecture and bounds on χgd-number of Mycielskian of a graph

Articles in Press, Accepted Manuscript, Available Online from 21 January 2023

10.22049/cco.2023.27950.1402

David A Kalarkop; R Rangarajan


Power Dominator Chromatic Numbers of Splitting Graphs of Certain Classes of Graphs

Articles in Press, Accepted Manuscript, Available Online from 22 January 2023

10.22049/cco.2023.27744.1337

K. SATHISH KUMAR; GNANAMALAR DAVID; Atulya K Nagar; Subramanian K G


PI Index of Bicyclic Graphs

Articles in Press, Accepted Manuscript, Available Online from 24 January 2023

10.22049/cco.2023.27817.1360

Manju SC; Somasundaram K


On the rna number of generalized Petersen graphs

Articles in Press, Accepted Manuscript, Available Online from 15 February 2023

10.22049/cco.2023.27973.1408

Deepak Sehrawat; Bikash Bhattacharjya


A new construction for µ-way Steiner trades

Articles in Press, Accepted Manuscript, Available Online from 18 February 2023

10.22049/cco.2023.27862.1373

Saeedeh Rashidi; Nasrin Soltankhah


Optimal Coverage of Borders Using Unmanned Aerial Vehicles

Articles in Press, Accepted Manuscript, Available Online from 21 March 2023

10.22049/cco.2023.27951.1403

Muhammad Etezadi; siamak ashrafi; Mostafa Ghasemi


Signed total Italian $k$-domination in digraphs

Articles in Press, Accepted Manuscript, Available Online from 27 March 2023

10.22049/cco.2023.27872.1377

Lutz Volkmann


New results on Orthogonal Component Graphs of Vector Spaces over $\mathbb{Z}_p$

Articles in Press, Accepted Manuscript, Available Online from 28 March 2023

10.22049/cco.2023.28034.1422

Vrinda Mary Mathew; Sudev Naduvath; Thadathil Joseph Varghese