Neighbourhood

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

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At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

In graph theory, the neighbourhood of a vertex v in a graph G is the subgraph of G induced by all the vertices that are connected to v by an edge (vertices that are adjacent to v), i.e., the graph composed of all the vertices adjacent to v and all the edges connecting them.

Excerpt from the Wikipedia article “Neighbourhood (graph theory)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: AzaToth, Public domain, via Wikimedia Commons.