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COMBINATORICS
2004
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COMBINATORICS 2004
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Antichains on Three Levels
13 years 11 months ago
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www.emis.de
An antichain is a collection of sets in which no two sets are comparable under set inclusion. An antichain A is flat if there exists an integer k 0 such that every
Paulette Lieby
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DM
2008
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DM 2008
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On multipartite posets
13 years 11 months ago
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math.gmu.edu
Let m 2 be an integer. We say that a poset P = (X, ) is m-partite if X has a partition X = X1
Geir Agnarsson
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