Inequalities and bounds for quasi-symmetric 3-designs (Q1193568)
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scientific article; zbMATH DE number 64856
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Inequalities and bounds for quasi-symmetric 3-designs |
scientific article; zbMATH DE number 64856 |
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Inequalities and bounds for quasi-symmetric 3-designs (English)
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27 September 1992
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The author establishes several inequalities that are satisfied by the parameters of a quasi-symmetric 3-design having block intersection numbers \(x\), \(y\) where \(1\leq x<y\). Some of these results are then used to determine all such designs with \(y=x+1\) or \(x+2\).
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inequalities
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quasi-symmetric 3-design
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block intersection numbers
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