Least $Q$-eigenvalues of nonbipartite 2-connected graphs
Guanglong Yu, by Lin Sun, Chao Yan, Yarong Wu, Hailiang Zhang·2019-11-28·via math.CO updates on arXiv.org
Among all simple nonbipartite 2-connected graphs and among all nonbipartite $θ$-graphs, the minimum least $Q$-eigenvalues are completely determined, respectively.