Peng Xiao

collaborators

2 papers

math.CO2018

The largest signless Laplacian spectral radius of uniform supertrees with diameter and pendent edges (vertices)

Cunxiang Duan, Ligong Wang, Peng Xiao

Let $S_{1} (m, d, k)$ be the $k$ -uniform supertree obtained from a loose path $P : v_{1}, e_{1}, v_{2}, \dots, v_{d}, e_{d}, v_{d + 1}$ with length $d$ by attaching $m - d$ edges at verte…

math.CO2016

5-regular oriented graphs with optimum skew energy

Lifeng Guo, Ligong Wang, Peng Xiao

Let $G$ be a simple undirected graph and $G^{σ}$ be the corresponding oriented graph of $G$ with the orientation $σ$ . The skew energy of $G^{σ}$ , denoted by $ε_{s} (G^{σ})$ , is de…