06100988

j

06100988 Shen, Xiaoling Hou, Yoaping Zhang, Chongyan Bicyclic digraphs with extremal skew energy. Electron. J. Linear Algebra 23, 340-355, electronic only (2012). 2012 ILAS - The International Linear Algebra Society c/o Daniel Hershkowitz, Department of Mathematics, Technion - Israel Institute of Techonolgy, Haifa EN bicyclic digraph skew-adjacency matrix extremal skew energy

http://www.math.technion.ac.il/iic/ela/ela-articles/articles/vol23_pp340-355.pdf

Summary: Let $\vec G$ be a digraph and $S(\vec G)$ be the skew-adjacency matrix of $\vec G$. The skew energy of $\vec G$ is the sum of the absolute values of eigenvalues of $S(\vec G )$. In this paper, the bicyclic digraphs with minimal and maximal skew energy are determined.