On covering intersecting set-systems by digraphs (Q5936065)
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scientific article; zbMATH DE number 1612926
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On covering intersecting set-systems by digraphs |
scientific article; zbMATH DE number 1612926 |
Statements
On covering intersecting set-systems by digraphs (English)
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2 July 2001
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The author presents a common generalization of a theorem of Edmonds on the number of disjoint branchings, and a theorem of Frank on kernel systems.
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digraphs
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aborescence
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covering
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branchings
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kernel systems
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