Jianfeng Wang

collaborators

2 papers

math.CO2026

All limit points of the largest roots of matching polynomials are determined

Zhaoxi Li, Shi-Mei Ma, Jianfeng Wang +1

The largest matching root $I^¼ (G)$ of a graph $G$ is that of its matching polynomial. In this paper, all limit points of the largest matching roots of graphs are determined. More pr…

math.CO2025

Symmetric decompositions and Euler-Stirling statistics on Stirling permutations

Shi-Mei Ma, Jianfeng Wang, Guiying Yan +2

The Stirling permutations introduced by Gessel-Stanley have recently received considerable attention. Motivated by Ji's work on $(I^\pm, I^^{2})$ -Eulerian polynomials (Sci China Math., 202…