An Extremal Problem for a Divisor Lattice
碩士 === 輔仁大學 === 數學系研究所 === 87 === D. Kleitman confirmed a conjecture ( proposed by Erd\H{o}s and Katona ) that for any family ${\cal F}$ of subsets of $\{ 1,2,\cdots,n \}$ with $|{\cal F}|={n \choose { \lfloor \frac{n}2 \rfloor }}+a,~$ the numb...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | en_US |
| Published: |
1999
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| Online Access: | http://ndltd.ncl.edu.tw/handle/08220153336036210469 |