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09/15/2023
Forbidden Tournaments and the Orientation Completion Problem
For a fixed finite set of finite tournaments ℱ, the ℱ-free orientation p...
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03/12/2020
Orientations without forbidden patterns on three vertices
Given a set of oriented graphs F, a graph G is an F-graph if it admits a...
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03/12/2020
Duality pairs and homomorphisms to oriented and unoriented cycles
In the homomorphism order of digraphs, a duality pair is an ordered pair...
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03/12/2020