Nearly-acyclically pushable tournaments (Q2712519)
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scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Nearly-acyclically pushable tournaments |
scientific article |
Statements
6 May 2001
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tournament
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acyclic tournament
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pushing
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Nearly-acyclically pushable tournaments (English)
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A tournament is nearly-acyclic if it can be obtained from an acyclic tournament by substituting a 3-cycle or a single node for each node of the acyclic tournament. The authors give a forbidden subtournament characterization of tournaments that can be transformed into nearly-acyclic tournaments by pushing, that is, by reversing the orientation of all arcs with one end in some subset of nodes of the tournament.
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