Necessary and sufficient conditions for functions involving the tri- and tetra-gamma functions to be completely monotonic (Q1036522)
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scientific article; zbMATH DE number 5632579
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Necessary and sufficient conditions for functions involving the tri- and tetra-gamma functions to be completely monotonic |
scientific article; zbMATH DE number 5632579 |
Statements
Necessary and sufficient conditions for functions involving the tri- and tetra-gamma functions to be completely monotonic (English)
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13 November 2009
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monotonicity
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convexity
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psi function
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