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'''Articulation point''' | '''Articulation point''' — [[точка сочленения графа]], [[разделяющая вершина]], | ||
шарнир. | [[шарнир]]. | ||
A vertex <math>v \in V</math> is an '''articulation point''' of a graph <math>G = | A [[vertex]] <math>v \in V</math> is an '''articulation point''' of a [[graph, undirected graph, nonoriented graph|graph]] <math>\,G = (V,E)</math> if <math>G(V \setminus \{v\})</math> is disconnected. A graph <math>\,G</math> is '''2-connected''' if <math>\,G</math> has no '''articulation points'''. The maximal 2-connected [[subgraph|subgraphs]] of <math>\,G</math> are the '''blocks''' of <math>\,G</math>. | ||
(V,E)</math> if <math>G(V \setminus \{v\})</math> is disconnected. A graph <math>G</math> is '''2-connected''' if <math>G</math> has no '''articulation points'''. The maximal 2-connected subgraphs | |||
of <math>G</math> are the '''blocks''' of <math>G</math>. | |||
Other names are '''Cutpoint, Cutting vertex, Cutvertex'''. | Other names are '''[[Cutpoint]], [[Cutting vertex]], [[Cutvertex]]'''. | ||
==Литература== | |||
* Евстигнеев В.А., Касьянов В.Н. Словарь по графам в информатике. — Новосибирск: Сибирское Научное Издательство, 2009. |