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Citation: Li, Jian Xi et al., The smallest values of algebraic connectivity for trees, Acta mathematica Sinica. English series (Print) , 28(12), 2012, pp. 2021-2032

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Citation: Guo, Ji Ming et al., On the distribution of Laplacian eigenvalues of a graph, Acta mathematica Sinica. English series (Print) , 27(11), 2011, pp. 2259-2268