Ya-Lei Jin

activity

20122025

most citedOn the Two Conjectures of the Wiener Index

11 citations · 21 across the 10 of their papers we have counts for

collaborators

Showing 2015Show all

2 papers · 1 filter

math.CO2015

Laplacian Coefficient, Matching Polynomial and Incidence Energy of of Trees with Described Maximum Degree

Ya-Lei Jin, Yeong-Nan Yeh, Xiao-Dong Zhang

Let $L (T, λ) = \sum_{k = 0}^{n} (- 1)^{k} c_{k} (T) λ^{n - k}$ be the characteristic polynomial of its Laplacian matrix of a tree $T$ . This paper studied some properties of the generat…

math.CO2015

On the spectral radius of simple digraphs with prescribed number of arcs

Ya-Lei Jin, Xiao-Dong Zhang

This paper presents a sharp upper bound for the spectral radius of simple digraphs with described number of arcs. Further, the extremal graphs which attain the maximum spectral rad…