Journal of Mathematical Inequalities · Volume 11, Issue 3 On the energy of bicyclic signed digraphs 11-65 Pages 845-862 DOI 10.7153/jmi-2017-11-65 Downloads Short PDF Full PDF PNG Authors Mehtab Khan Rashid Farooq Keywords energy of digraph bicyclic signed digraph spectra of a graph Subject classes 05C35 05C50