Finite trees are Ramsey under topological embeddings
Publikation: Vorabdruck/Dokumentation/Bericht › Vorabdruck (Preprint)
Beitragende
Abstract
We show that the class of finite rooted binary plane trees is a Ramsey class (with respect to topological embeddings that map leaves to leaves). That is, for all such trees P,H and every natural number k there exists a tree T such that for every k-coloring of the (topological) copies of P in T there exists a (topological) copy H' of H in T such that all copies of P in H' have the same color. When the trees are represented by the so-called rooted triple relation, the result gives rise to a Ramsey class of relational structures with respect to induced substructures.
Details
Originalsprache | Undefiniert |
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Publikationsstatus | Veröffentlicht - 8 Feb. 2010 |
Extern publiziert | Ja |
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Externe IDs
ORCID | /0000-0001-8228-3611/work/142659287 |
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Schlagworte
Schlagwörter
- math.CO