Computability in Europe 2008
Logic and Theory of Algorithms

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Regular Talk:
Subrecursive complexity of identifying the Ramsey structure of posets

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Speaker: Willem Fouche
Slot: Mon, 11:00-11:20, Vice-Rector (col. 4)

Abstract

We show that finite ordinal sums of antichains are Ramsey objects in the
category of finite posets aand height-preserving embeddings. Our proof yields a
primitive recursive algorithm for constructing the finite posets which contain
the required homogeneities.

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