Wiktionary英語版

出典:Wiktionary

edge contraction

出典:『Wiktionary』 (2024/11/26 03:08 UTC )

名詞

edge contraction (plural edge contractions)

  1. (graph theory) An operation performed on an edge in a graph which deletes the edge, replaces its endpoints with a single new vertex, and replaces edges incident to either endpoint with an edge incident to the new vertex.
    Performing an edge contraction on an edge in a path graph results in a path graph with one fewer vertex.

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ウィキペディア英語版

出典:Wikipedia

Edge contraction

出典:『Wikipedia』 (2011/04/22 04:18 UTC 版)

英語による解説

ウィキペディア英語版からの引用
引用

In graph theory, an edge contraction is an operation which removes an edge from a graph while simultaneously merging together the two vertices it previously connected. Edge contraction is a fundamental operation in the theory of graph minors. Vertex identification is a less restrictive form of this operation.

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