Undirected (symmetric) | Directed/digraph (asymmetric) | Mixed |
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![]() | ![]() | ![]() |
Simple | Multigraph |
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Undirected, unweighted graph that has no loops and no more than one edge between any two different vertices![]() | Multiple edges connecting the same two vertices within a simple graph![]() |
A graph may also have a connected component
Connected | Disconnected |
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If there is for any two given vertices a path between them![]() | If not all pairs of vertices have a path between them![]() |