On trees with equal Roman domination and outer-independent Roman domination numbers

Volume 4, Issue 2, December 2019, Pages 185-199

10.22049/cco.2019.26319.1095

Seyed Mahmoud Sheikholeslami; Sakineh Nazari-Moghaddam


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

Volume 8, Issue 2, June 2023, Pages 411-421

10.22049/cco.2022.27502.1300

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


Total restrained Roman domination

Volume 8, Issue 3, September 2023, Pages 575-587

10.22049/cco.2022.27628.1303

Jafar Amjadi; Babak Samadi; Lutz Volkmann


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

Volume 8, Issue 4, December 2023, Pages 737-749

10.22049/cco.2022.27794.1355

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


1-Edge contraction: Total vertex stress and confluence number

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

10.22049/cco.2023.27338.1238

Shiny Joseph; Johan Kok


A study on some properties of leap graphs

Volume 5, Issue 1, June 2020, Pages 9-17

10.22049/cco.2019.26430.1108

Ahmed M Naji; B. Davvaz; Sultan S. Mahde; N.D. Soner


On the 2-independence subdivision number of graphs

Volume 7, Issue 1, June 2022, Pages 105-112

10.22049/cco.2021.27060.1186

Nacéra Meddah; Mostafa Blidia; Mustapha Chellali


On Equitable Near Proper Coloring of Graphs

Volume 9, Issue 1, March 2024, Pages 131-143

10.22049/cco.2022.27240.1218

Sabitha Jose; Libin Chacko Samuel; Sudev Naduvath


Relationships between Randic index and other topological indices

Volume 6, Issue 1, June 2021, Pages 137-154

10.22049/cco.2020.26751.1138

Z. Du; A. Jahanbai; S. M. Sheikholeslami


On the Zagreb indices of graphs with given Roman domination number

Volume 8, Issue 1, March 2023, Pages 141-152

10.22049/cco.2021.27439.1263

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


On Hop Roman Domination in Trees

Volume 4, Issue 2, December 2019, Pages 201-208

10.22049/cco.2019.26469.1116

Nader Jafari Rad; Abolfazl Poureidi


Triangular Tile Latching System

Volume 9, Issue 2, June 2024, Pages 309-316

10.22049/cco.2022.27994.1415

Kanchan Devi K; Subramanian Arumugam


Coalition Graphs

Volume 8, Issue 2, June 2023, Pages 423-430

10.22049/cco.2022.27916.1394

Teresa W. Haynes; Jason T. Hedetniemi; Stephen T Hedetniemi; Alice McRae; Raghuveer Mohan


A note on odd facial total-coloring of cacti

Volume 8, Issue 3, September 2023, Pages 589-594

10.22049/cco.2022.27895.1388

Julius Czap


Lower bound on the KG-Sombor index

Volume 8, Issue 4, December 2023, Pages 751-757

10.22049/cco.2023.28666.1662

Saeed Kosari; Nasrin Dehgardi; Aysha Khan


Some new families of generalized $k$-Leonardo and Gaussian Leonardo Numbers

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

10.22049/cco.2023.28236.1485

Kalika Prasad; Ritanjali Mohanty; Munesh Kumari; Hrishikesh Mahato


A note on the Roman domatic number of a digraph

Volume 5, Issue 1, June 2020, Pages 19-26

10.22049/cco.2019.26419.1107

Lutz Volkmann; D. Meierling


A note on δ^(k)-colouring of the Cartesian product of some graphs

Volume 7, Issue 1, June 2022, Pages 113-120

10.22049/cco.2021.27114.1211

Sudev Naduvath; Merlin Thomas Ellumkalayil


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

Volume 9, Issue 1, March 2024, Pages 145-157

10.22049/cco.2022.27990.1414

Mohsen Ghasemi; Narges Mehdipoor; Ali Asghar Talebi


Bounds for fuzzy Zagreb Estrada index

Volume 8, Issue 1, March 2023, Pages 153-160

10.22049/cco.2021.27333.1235

Mahesh Kale; Minirani Nair


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

Volume 9, Issue 2, June 2024, Pages 317-327

10.22049/cco.2023.27744.1337

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


Outer-independent total 2-rainbow dominating functions in graphs

Volume 8, Issue 2, June 2023, Pages 431-444

10.22049/cco.2022.27753.1344

Akram Mahmoodi; Lutz Volkmann


Face-magic labelings of some gridded graphs

Volume 8, Issue 3, September 2023, Pages 595-601

10.22049/cco.2023.28208.1478

Bryan Freyberg