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Digraph Source

Source

A local source is a node of a directed graph with no entering edges (Borowski and Borwein 1991, p. 401; left figure), and a global source (often simply called a source) is a node in a directed graph which reaches all other nodes (Harary 1994, p. 201; right figure).

See also

Digraph Sink, Directed Graph, Network

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References

Borowski, E. J. and Borwein, J. M. (Eds.). The HarperCollins Dictionary of Mathematics. New York: HarperCollins, 1991.Harary, F. Graph Theory. Reading, MA: Addison-Wesley, 1994.

Cite this as:

Weisstein, Eric W. "Digraph Source." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/DigraphSource.html

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