Log-concavity of Whitney numbers of Dowling lattices (Q1291061)
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scientific article; zbMATH DE number 1295414
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Log-concavity of Whitney numbers of Dowling lattices |
scientific article; zbMATH DE number 1295414 |
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Log-concavity of Whitney numbers of Dowling lattices (English)
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10 August 1999
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This paper shows that the generating polynomial of Whitney numbers of the Dowling lattices has only real roots. This gives a new proof (through a result of Newton) that these Whitney numbers form strictly log-concave sequences.
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Dowling lattice
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geometric lattice
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log-concave
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generating function
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Stirling numbers of the second kind
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Whitney numbers
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