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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.
math.CO2019
Further results on the least Q-eigenvalue of a graph with fixed domination number
Guanglong Yu, Yarong Wu, Mingqing Zhai
In this paper, we proceed on determining the minimum among the connected nonbipartite graphs on vertices and with domination number $\frac{n+1}{3}<γ\leq \frac{n…