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arxiv: 1707.03563 · v1 · pith:VCOBON7Jnew · submitted 2017-07-12 · 💻 cs.DM · math.CO

Strong immersion is a well-quasi-ordering for semi-complete digraphs

classification 💻 cs.DM math.CO
keywords classdigraphsimmersionsemi-completestrongwell-quasi-orderingchudnovskyholds
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We prove that the strong immersion order is a well-quasi-ordering on the class of semi-complete digraphs, thereby strengthening a result of Chudnovsky and Seymour that this holds for the class of tournaments.

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