TY - JOUR
ID - 13786
TI - New skew equienergetic oriented graphs
JO - Communications in Combinatorics and Optimization
JA - CCO
LA - en
SN - 2538-2128
AU - Liu, Xiangxiang
AU - Wang, Ligong
AU - Duan, Cunxiang
AD - Department of Applied Mathematics, School of Science, Northwestern Polytechnical University, Xi'an, Shaanxi 710072,
People's Republic
of China
AD - Department of Applied Mathematics, School of Science, Northwestern Polytechnical University, Xi&#039;an, Shaanxi 710072, People&#039;s Republic of China.
AD - Department of Applied Mathematics, School of Science, Northwestern Polytechnical University, Xi'an, Shaanxi 710072,
People's Republic
of China
Y1 - 2019
PY - 2019
VL - 4
IS - 1
SP - 15
EP - 24
KW - Oriented graph
KW - Skew energy
KW - Skew equienergetic
DO - 10.22049/cco.2018.26286.1093
N2 - Let $S(G^{sigma})$ be the skew-adjacency matrix of the oriented graph $G^{sigma}$, which is obtained from a simple undirected graph $G$ by assigning an orientation $sigma$ to each of its edges. The skew energy of an oriented graph $G^{sigma}$ is defined as the sum of absolute values of all eigenvalues of $S(G^{sigma})$. Two oriented graphs are said to be skew equienergetic if their skew energies are equal. In this paper, we determine the skew spectra of some new oriented graphs. As applications, we give some new methods to construct new non-cospectral skew equienergetic oriented graphs.
UR - http://comb-opt.azaruniv.ac.ir/article_13786.html
L1 - http://comb-opt.azaruniv.ac.ir/article_13786_f2e382fc36d6b753b4c6c9d7e3b92229.pdf
ER -