Volume & Issue: Articles in Press

The stress of a graph

Articles in Press, Accepted Manuscript, Available Online from 13 August 2021

10.22049/cco.2021.27320.1231

Raksha Poojary; Arathi Bhat K; Subramanian Arumugam; Manjunatha Prasad Karantha


Some new bounds on the modified first Zagreb index

Articles in Press, Accepted Manuscript, Available Online from 14 August 2021

10.22049/cco.2021.27159.1205

Igor Milovanovic; Emina Milovanovic; Marjan Matejic; Akbar Ali


Vertex-Edge Roman Domination in Graphs: Complexity and Algorithms

Articles in Press, Accepted Manuscript, Available Online from 15 August 2021

10.22049/cco.2021.27163.1206

Manjay Kumar; Venkata Subba Reddy P


Signed total Italian k-domatic number of a graph

Articles in Press, Accepted Manuscript, Available Online from 20 August 2021

10.22049/cco.2021.27165.1207

Lutz Volkmann


Restrained double Italian domination in graphs

Articles in Press, Accepted Manuscript, Available Online from 04 September 2021

10.22049/cco.2021.27334.1236

Lutz Volkmann


On the distance spectra of product of signed graphs

Articles in Press, Accepted Manuscript, Available Online from 20 September 2021

10.22049/cco.2021.27304.1227

Shijin T.V.; Soorya P.; Shahul Hameed K.; Germina K. A.


Some families of $\alpha$-labeled subgraphs of the integral grid

Articles in Press, Accepted Manuscript, Available Online from 11 October 2021

10.22049/cco.2021.26989.1175

Christian Barrientos; Sarah Minion


On Randić spectrum of zero divisor graphs of commutative ring $\mathbb{Z}_{n} $

Articles in Press, Accepted Manuscript, Available Online from 21 October 2021

10.22049/cco.2021.27202.1212

Bilal Rather; Shariefuddin Pirzada; Imran Bhat; Tariq Chishti


Covering total double Roman domination in graphs

Articles in Press, Accepted Manuscript, Available Online from 10 November 2021

10.22049/cco.2021.27443.1265

Atieh Teymourzadeh; Doost Ali Mojdeh


Efficient algorithms for independent Roman domination on some classes of graphs

Articles in Press, Accepted Manuscript, Available Online from 10 November 2021

10.22049/cco.2021.27305.1228

Abolfazl Poureidi


On the Zagreb indices of graphs with given Roman domination number

Articles in Press, Accepted Manuscript, Available Online from 21 November 2021

10.22049/cco.2021.27439.1263

Ayu Ameliatul Shahilah Ahmad Jamri; Roslan Hasni; Sharifah Kartini Said Husain


Bounds for fuzzy Zagreb Estrada index

Articles in Press, Accepted Manuscript, Available Online from 01 December 2021

10.22049/cco.2021.27333.1235

Mahesh Kale; Minirani Nair


Unicyclic graphs with maximum Randić indices

Articles in Press, Accepted Manuscript, Available Online from 03 December 2021

10.22049/cco.2021.27230.1216

Roslan Hasni; Nor Hafizah Md Husin; Zhibin Du


On perfectness of annihilating-ideal graph of $\mathbb{Z}_n$

Articles in Press, Accepted Manuscript, Available Online from 05 December 2021

10.22049/cco.2021.27382.1252

Manideepa Saha; Sucharita Biswas; Angsuman Das


Remarks on the restrained Italian domination number in graphs

Articles in Press, Accepted Manuscript, Available Online from 13 December 2021

10.22049/cco.2021.27471.1269

Lutz Volkmann


Sombor index of some graph transformations

Articles in Press, Accepted Manuscript, Available Online from 04 January 2021

10.22049/cco.2021.27484.1272

Harishchandra S. Ramane; Ivan Gutman; Kavita Bhajantri; Deepa V. Kitturmath


Signed bicyclic graphs with minimal index

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

10.22049/cco.2022.27346.1241

Maurizio Brunetti; Adriana Ciampella


Improved bounds for Kirchhoff index of graphs

Articles in Press, Accepted Manuscript, Available Online from 12 January 2022

10.22049/cco.2022.27492.1275

Ş. Burcu Bozkurt Altındağ; Marjan Matejić; Igor Milovanović; Emina Milovanović


Further study on "an extended shortest path problem A data envelopment analysis approach"

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

10.22049/cco.2022.27510.1280

Javad Tayyebi; Alireza Amirteymoori


A new upper bound on the independent $2$-rainbow domination number in trees

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

10.22049/cco.2022.27641.1305

Nader Jafari Rad; Elham Gholami; A Tehranian; Hamid Rasouli


Pareto-efficient strategies in 3-person games played with staircase-function strategies

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

10.22049/cco.2022.27434.1261

Vadim Romanuke


New bounds on Sombor index

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

10.22049/cco.2022.27600.1296

Ivan Gutman; Necla Kircali Gürsoy; Arif Gürsoy; Alper Ülker


Line signed graph of a signed unit graph of commutative rings

Articles in Press, Accepted Manuscript, Available Online from 26 February 2022

10.22049/cco.2022.27327.1234

Pranjali Pranjali


Unit $\mathbb{Z}_q$-Simplex codes of type α and zero divisor $\mathbb{Z}_q$-Simplex codes

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

10.22049/cco.2022.27363.1247

J. Mahalakshmi; J. Prabu; S. Santhakumar


Roman domination in signed graphs

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

10.22049/cco.2022.27438.1264

James Joseph; MAYAMMA JOSEPH


Cop-edge critical generalized Petersen and Paley graphs

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

10.22049/cco.2022.27308.1229

Charles Dominic; Łukasz Witkowski; Marcin Witkowski


More on the bounds for the skew Laplacian energy of weighted digraphs

Articles in Press, Accepted Manuscript, Available Online from 31 March 2022

10.22049/cco.2022.27357.1244

Bilal Ahmad Chat; Uma Tul Samee; Shariefuddin Pirzada


A lower bound for the second Zagreb index of trees with given Roman domination number

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

10.22049/cco.2022.27553.1288

Ayu Ameliatul Shahilah Ahmad Jamri; Fateme Movahedi; Roslan Hasni; Mohammad Hadi Akhbari


A study on graph topology

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

10.22049/cco.2022.27399.1253

Sudev Naduvath; Achu Aniyan


2S3 transformation for Dyadic fractions in the interval (0, 1)

Articles in Press, Accepted Manuscript, Available Online from 07 May 2022

10.22049/cco.2022.27502.1300

K.G. Sreekumar; Manilal K; John. K. Rajan


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


Outer-independent total 2-rainbow dominating functions in graphs

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

10.22049/cco.2022.27753.1344

Akram Mahmoodi; Lutz Volkmann


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 12 August 2022

10.22049/cco.2022.27628.1303

Lutz Volkmann; Jafar Amjadi; Babak Samadi