A lower bound on the norm of interpolation with an extended Tchebycheff system
β Scribed by Theodore Kilgore
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 236 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0021-9045
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π SIMILAR VOLUMES
## Abstract A Steiner quadruple system of order 2^__n__^ is __SemiβBoolean__ (SBQS(2^__n__^) in short) if all its derived triple systems are isomorphic to the pointβline design associated with the projective geometry __PG__(__n__β1, 2). We prove by means of explicit constructions that for any __n__
A short proof of the following result of Kleitman is given: the total number of sets contained in some member of an antichain of size (i) over the n-set is at least (E) + l --+ (i) for 0 < k G in. An equally short proof of Harper's isoperimetric theorem is provided as well.