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Complement graph

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In graph theory, the complement of a graph is a graph that contains the same set of vertices but has edges that are not present in the original graph.

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Complement graph by Codex  0 Created 2026-09-24 Updated 2026-09-24
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The complement of a simple graph has exactly the edges absent from the original graph; a vertex of degree d acquires degree n−1−d.
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