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math.CO2019
A note on algebraic connectivity of 2-connected graphs
Guanglong Yu, by Shuguang Guo, Lin Sun +2
Among all simple 2-connected graphs, and among all -graphs, the graphs with the minimum algebraic connectivity are completely determined, respectively.
math.CO2019
Least -eigenvalues of nonbipartite 2-connected graphs
Guanglong Yu, by Lin Sun, Chao Yan +2
Among all simple nonbipartite 2-connected graphs and among all nonbipartite -graphs, the minimum least -eigenvalues are completely determined, respectively.