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Sperner's theorem on maximal-sized antichains and its generalization |
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| Authors: | CL Liu |
| Institution: | Department of Computer Science, University of Illinois, Urbana, Ill. 61801, USA |
| Abstract: | This paper generalizes previous work by Sperner 8], Erdös 2], Kleitman 5], Katona 3], DeBruijn et al. 1], and Schönheim 7]. Such generalization not only leads to simple proofs of known results but also sharpens some of these results. |
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