Cancellative pairs of families of sets
✍ Scribed by Ron Holzman; János Körner
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 198 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0195-6698
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Suppose that any t members (t 2) of a regular family on an n element set have at least k common elements. It is proved that the largest member of the family has at least k 1Ât n 1&1Ât elements. The same holds for balanced families, which is a generalization of the regularity. The estimate is asympto
In [ 31, Tamano raised the question of whether or not a space which admits a closurepreserving cova'r of compact sets is nzce:ssari!y paracon+:t. b cn~~etexamplc to this oonjectuse was given in 161: a completely rqular 1'2 space having a t losIre-preserving cover by compact sets (in fact, by finite