Title of article :
Note on the skew energy of oriented graphs
Author/Authors :
He, Jun University of Electronic Science and Technology of China - School of Mathematical Sciences, China , Huang, Ting-Zhu University of Electronic Science and Technology of China - School of Mathematical Sciences, China
Abstract :
The skew energy of oriented graphs is defined as the sum of the norms of allthe eigenvalues of the skew adjacency matrix. In this note, we obtain some upperbounds for the skew energy of any oriented graphs, which improve the known upperbound obtained by Adiga et al.
Keywords :
oriented graph , skew adjacency matrix , skew spectral radius , skew energy
Journal title :
Transactions on Combinatorics
Journal title :
Transactions on Combinatorics