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Diagrammer > Glossaries > Graph layout glossary > N
 
N
neighbor nodes
The nodes that are connected to a given node by a link.
nested graph
A graph that contains nodes that are graphs, that is, a graph that contains nested subgraphs.
node
Another name for a vertex of a graph. In this documentation, the term node is primarily used for vertex.
nonplanar graph
A graph that cannot be drawn without any links crossing other links.
NP-complete
A class of computational problems for which no efficient solution algorithm has been found. Many significant computer science problems, including many graph layout problems, belong to this class.

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