On the critical group of graph Möbius ladder. - Pingge Chen; Yaoping Hou; Ching-Wah Woo (Australas. J Comb., 2006)

On the sandpile group of P4×Cn. - Pingge Chen; Yaoping Hou (Eur. J. Comb., 2008)

Inversion Formulae on Permutations Avoiding 321. - Pingge Chen; Zhousheng Mei; Suijie Wang (Electron. J. Comb., 2015)

Connection Between Polynomial Optimization and Maximum Cliques of Non-Uniform Hypergraphs. - Pingge Chen; Yuejian Peng (Order, 2018)

The Lagrangian density of{123, 234, 456} and the Turán number of its extension. - Pingge Chen; Jinhua Liang; Yuejian Peng (Discuss. Math. Graph Theory, 2021)

A note on a conjecture of Bene Watts-Norin-Yepremyan for Lagrangian. - Pingge Chen; Biao Wu 001; Qianju Zhang (Appl. Math. Comput., 2022)