Exact Bounds on Cross-Intersecting Families |
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| Authors: | Ákos Kisvölcsey |
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| Affiliation: | (1) Mathematical Institute of the Hungarian Academy of Sciences, H-1053 Budapest, Reáltanoda u. 13-15, Hungary. e-mail: ksvlcs@renyi.hu, HU |
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| Abstract: | ![]()
Let ?, ℬ be cross-intersecting families, where ? is a k-uniform, ℬ is an l-uniform family on a finite underlying set. A tight bound is given on |?|+|ℬ|, if c≤|?|≤d holds for some natural numbers c,d. Received: February 8, 1999 Final version received: May 17, 2000 |
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