In this paper we proved that every near triangulation without separating triangles has a 2-connected spanning subgraph of maximum degree at most 3 which is the best possible.
证明了每一个无可分离三角形的几乎三角剖分图均存在一个2-连通支撑子图，其最大度至多3．并且，这一结果是最佳可能的。
We consider three types of probability measures on Q, the set of subgraphs of g, which govern a random spanning tree, a random spanning forest, and a random connected subgraph respectively.
本文研究图g的子图空间g上的三类概率测度，它们分别刻画图的随机扩张树，随机扩张森林和随机连通子图。
We consider three types of probability measures on Q, the set of subgraphs of g, which govern a random spanning tree, a random spanning forest, and a random connected subgraph respectively.
本文研究图g的子图空间g上的三类概率测度，它们分别刻画图的随机扩张树，随机扩张森林和随机连通子图。
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