Extremal cases of the Ahlswede-Cai inequality (Q1924240)
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scientific article; zbMATH DE number 934994
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Extremal cases of the Ahlswede-Cai inequality |
scientific article; zbMATH DE number 934994 |
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Extremal cases of the Ahlswede-Cai inequality (English)
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14 October 1996
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The extremal families are described in matroid theory terms of an inequality of Ahlswede and Cai [\textit{R. Ahlswede} and \textit{N. Cai}, A generalization of the AZ identity, Combinatorica 13, No. 3, 341-247 (1993; Zbl 0789.05088)] on pairs of set systems having the property that every member of the first system has exactly one superset in the other.
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extremal families
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inequality of Ahlswede and Cai
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AZ identity
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set systems
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