A duality for permutations (Q1114702)
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scientific article; zbMATH DE number 4083649
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A duality for permutations |
scientific article; zbMATH DE number 4083649 |
Statements
A duality for permutations (English)
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1988
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The concept of separation of an ordered pair of permutations is introduced and a discrete analogue of Jordan curve theorem, based on this separation, is proved. As the author mentions, his result provides an elementary though somewhat involved proof of the original topological version of this theorem.
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permutation pair
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duality
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semicycle
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separation
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