The second largest eigenvalue of trees. - Shangwang Tan; Ji-Ming Guo (Australas. J Comb., 2006)

The Laplacian spectral radius of a graph under perturbation. - Ji-Ming Guo (Comput. Math. Appl., 2007)

The kth Laplacian eigenvalue of a tree. - Ji-Ming Guo (J. Graph Theory, 2007)

On the minimal energy ordering of trees with perfect matchings. - Ji-Ming Guo (Discret. Appl. Math., 2008)

A conjecture on the algebraic connectivity of connected graphs with fixed girth. - Ji-Ming Guo (Discret. Math., 2008)

On the spectral radii of unicyclic graphs with fixed matching number. - Ji-Ming Guo (Discret. Math., 2008)

The Orderings of Bicyclic Graphs and Connected Graphs by Algebraic Connectivity. - Jianxi Li; Ji-Ming Guo; Wai Chee Shiu (Electron. J. Comb., 2010)

The smallest values of algebraic connectivity for unicyclic graphs. - Jianxi Li; Ji-Ming Guo; Wai Chee Shiu (Discret. Appl. Math., 2010)

On the spectral radius of unicyclic graphs with fixed girth. - Jianxi Li; Ji-Ming Guo; Wai Chee Shiu (Ars Comb., 2013)

Laplacian eigenvalues of the second power of a graph. - Kinkar Chandra Das; Ji-Ming Guo (Discret. Math., 2013)

An edge-separating theorem on the second smallest normalized Laplacian eigenvalue of a graph and its applications. - Jianxi Li; Ji-Ming Guo; Wai Chee Shiu; An Chang (Discret. Appl. Math., 2014)

The Signless Laplacian specttral radius of bicyclic graphs with order n and girth g. - Jing-Ming Zhang; Ji-Ming Guo (Ars Comb., 2015)

On the minimum spectral radius of trees with given matching number. - Weiling Sun; Tianmei Song; Ji-Ming Guo; Shangwang Tan (Ars Comb., 2017)

Coefficients of the Characteristic Polynomial of the (Signless, Normalized) Laplacian of a Graph. - Ji-Ming Guo; Jianxi Li; Peng Huang; Wai Chee Shiu (Graphs Comb., 2017)

Bounding the sum of powers of normalized Laplacian eigenvalues of a graph. - Jianxi Li; Ji-Ming Guo; Wai Chee Shiu; S. Burcu Bozkurt; Durmus Bozkurt (Appl. Math. Comput., 2018)

No graph with nullity η(G)=|V(G)|-2m(G)+2c(G)-1. - Xin Li; Ji-Ming Guo (Discret. Appl. Math., 2019)

Sharp upper bounds of the spectral radius of a graph. - Ji-Ming Guo; Zhi-Wen Wang; Xin Li (Discret. Math., 2019)

A sharp lower bound of the spectral radius with application to the energy of a graph. - Ji-Ming Guo; Meng-Ni Yu (Discret. Appl. Math., 2021)

Maxima of L-index and Q-index: Graphs with given size and diameter. - Zhenzhen Lou; Ji-Ming Guo; Zhiwen Wang (Discret. Math., 2021)

The nullity of a graph with fractional matching number. - Qian-Qian Chen; Ji-Ming Guo (Discret. Math., 2022)

On the full Brouwer's Laplacian spectrum conjecture. - Wen-Jun Li; Ji-Ming Guo (Discret. Math., 2022)

The spectral radius of graphs with given independence number. - Zhenzhen Lou; Ji-Ming Guo (Discret. Math., 2022)

Nordhaus-Gaddum type inequality for the integer k-matching number of a graph. - Qian-Qian Chen; Ji-Ming Guo (Discret. Appl. Math., 2023)

The effect on the spectral radius by attaching a pendant starlike tree. - Xin Li; Ji-Ming Guo (Appl. Math. Comput., 2024)

Nordhaus-Gaddum Type Inequalities for the $k$th Largest Laplacian Eigenvalues. - Wen-Jun Li; Ji-Ming Guo (Electron. J. Comb., 2024)

The T1,2-free planar graphs whose second largest eigenvalue does not exceed 1. - Zihao Geng; Ji-Ming Guo; Zhiwen Wang (Discret. Math., 2024)

The second smallest normalized Laplacian eigenvalue of unicyclic graphs. - Ji-Ming Guo; Enying Liu; Jianxi Li; Wai Chee Shiu (Comput. Appl. Math., 2024)

A relation between multiplicity of 1 as a Laplacian eigenvalue and induced matching numbers in trees. - Zhiwen Wang; Qian-Qian Chen; Ji-Ming Guo; Xiao-Meng Li (Discret. Math., 2025)

The algebraic connectivity of graphs with given induced matching number. - Ji-Ming Guo; Li-Ting Huang; Zhiwen Wang (Comput. Appl. Math., 2025)