Polytopes determined by complementfree Sperner families (Q810022)
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scientific article; zbMATH DE number 4212041
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Polytopes determined by complementfree Sperner families |
scientific article; zbMATH DE number 4212041 |
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Polytopes determined by complementfree Sperner families (English)
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1990
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The profile of a family of subsets of an n-element set is a vector \(f=(f_ 0,...,f_ n)\), where \(f_ k\) denotes the number of k-element sets in the family. The authors use a new method to determine the extreme points of the convex hull of the profiles of all complementfree Sperner families over an n-element set.
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polytopes
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n-element set
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Sperner families
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