On the existence of regular antichains
A k-regular antichain in the Boolean lattice of subsets is one in which each point occurs in exactly k sets. The existence and construction of k-regular antichains on m points for each positive integer pair (k,m) is determined for all m and most k.
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Published in | Discrete mathematics Vol. 313; no. 4; pp. 348 - 356 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
Elsevier B.V
28.02.2013
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Subjects | |
Online Access | Get full text |
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Summary: | A k-regular antichain in the Boolean lattice of subsets is one in which each point occurs in exactly k sets. The existence and construction of k-regular antichains on m points for each positive integer pair (k,m) is determined for all m and most k. |
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ISSN: | 0012-365X 1872-681X |
DOI: | 10.1016/j.disc.2012.10.022 |