On the 2-Domination Number of Complete Grid Graphs
Ramy Shaheen, Suhail Mahfud, Khames Almanea

Open J. Discrete Math. Vol.7 No.1, January 23, 2017
DOI:10.4236/ojdm.2017.71004

Number in Mathematical Cryptography
Nathan Hamlin

Open J. Discrete Math. Vol.7 No.1, January 23, 2017
DOI:10.4236/ojdm.2017.71003

Competition Numbers of a Kind of Pseudo-Halin Graphs
Zhijun Cao, Yonggang Cui, Guoyan Ye, Yongqiang Zhao

Open J. Discrete Math. Vol.7 No.1, December 30, 2016
DOI:10.4236/ojdm.2017.71002

A Note on a Natural Correspondence of a Determinant and Pfaffian
Gary Miller

Open J. Discrete Math. Vol.7 No.1, December 06, 2016
DOI:10.4236/ojdm.2016.71001