Counting acyclic digraphs by sources and sinks (Q1126301)
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scientific article; zbMATH DE number 955161
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Counting acyclic digraphs by sources and sinks |
scientific article; zbMATH DE number 955161 |
Statements
Counting acyclic digraphs by sources and sinks (English)
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8 December 1996
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The labeled acyclic digraphs have been enumerated by several authors. In this paper these digraphs are counted with respect to the number of their sinks, sources, and edges.
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enumeration
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labeled acyclic digraphs
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