The Number of Minimum Roman and Minimum Total Dominating Sets for Some Chessboard Graphs
Paul A. Burchett

Open J. Discrete Math. Vol.10 No.1, January 16, 2020
DOI:10.4236/ojdm.2020.101004

Improved Approximation of Layout Problems on Random Graphs
Kevin K. H. Cheung, Patrick Girardet

Open J. Discrete Math. Vol.10 No.1, January 10, 2020
DOI:10.4236/ojdm.2020.101003

Some Results on Cordial Digraphs
Mohammed M. Ali Al-Shamiri, Shokry I. Nada, Ashraf I. Elrokh, Yasser Elmshtaye

Open J. Discrete Math. Vol.10 No.1, December 10, 2019
DOI:10.4236/ojdm.2020.101002

Infinite Sets of Related b-wARH Pairs
Catalin Nitica, Viorel Nitica

Open J. Discrete Math. Vol.10 No.1, November 11, 2019
DOI:10.4236/ojdm.2020.101001