Sharp bounds on the reduced second Zagreb index of graphs with given number of cut vertices. - Xiaocong He; Shuchao Li; Qin Zhao (Discret. Appl. Math., 2019)

Solutions for two conjectures on the eigenvalues of the eccentricity matrix, and beyond. - Wei Wei; Xiaocong He; Shuchao Li (Discret. Math., 2020)

On the largest and least eigenvalues of eccentricity matrix of trees. - Xiaocong He; Lu Lu (Discret. Math., 2022)

Spectral radius and the 2-power of Hamilton cycle. - Xinru Yan; Xiaocong He; Lihua Feng; Weijun Liu (Discret. Math., 2023)

Spectral Extremal Graphs without Intersecting Triangles as a Minor. - Xiaocong He; Yongtao Li; Lihua Feng (Electron. J. Comb., 2024)

Spectral radius and rainbow Hamilton paths of a graph. - Xiaocong He; Yongtao Li; Lihua Feng (Discret. Math., 2024)

Extremal graphs for the odd prism. - Xiaocong He; Yongtao Li; Lihua Feng (Discret. Math., 2025)