Allgemeine Schnittzahlen in t-Designs. (General intersection numbers in t-designs) (Q1824624)
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scientific article; zbMATH DE number 4118382
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Allgemeine Schnittzahlen in t-Designs. (General intersection numbers in t-designs) |
scientific article; zbMATH DE number 4118382 |
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Allgemeine Schnittzahlen in t-Designs. (General intersection numbers in t-designs) (English)
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1989
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The author examines the intersection numbers of t-designs and establishes a formula relating them. He uses his formula to show that a \(t- (v,k,\lambda)\) design does not exist whenever, for twin primes, p and \(p+2\) with \(p\geq 5,\) \(t=p-1,\) \(v=2p+1,\) \(k=p+3,\) \(\lambda =(1/6)(p+7).\)
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intersection numbers
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t-designs
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