In this paper, we obtain two methods to compare the algebraic connectivity of two graphs, and we also give some graph operations that increase or decrease the algebraic connectivity of a graph.

中文翻译：

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代数连通性的一些性质

在本文中，我们获得了两种方法来比较两个图的代数连通性，并且还给出了一些增加或减小图的代数连通性的图操作。