Ultra logconcave sequences and negative dependence (Q1364236)
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scientific article; zbMATH DE number 1051484
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Ultra logconcave sequences and negative dependence |
scientific article; zbMATH DE number 1051484 |
Statements
Ultra logconcave sequences and negative dependence (English)
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1 June 1998
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A conjecture by Pemantle, that the convolution of ultra-logconcave sequences is ultra-logconcave, is proved. This is equivalent to the statement, that a suitable negative dependence property is preserved under the operation of sampling uniformly without replacement from two finite exchangeable Bernoulli sequences.
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ultra-logconcave sequence
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negative dependence
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