Complete monotonicity of functions involving the \(q\)-trigamma and \(q\)-tetragamma functions (Q496381)
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scientific article; zbMATH DE number 6272116
- Complete monotonicity of a function involving the divided difference of digamma functions
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Complete monotonicity of functions involving the \(q\)-trigamma and \(q\)-tetragamma functions |
scientific article; zbMATH DE number 6272116 |
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Statements
Complete monotonicity of functions involving the \(q\)-trigamma and \(q\)-tetragamma functions (English)
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Complete monotonicity of a function involving the divided difference of digamma functions (English)
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21 September 2015
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21 March 2014
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completely monotonic function
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monotonicity
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inequality
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\(q\)-digamma function
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\(q\)-trigamma function
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\(q\)-tetragamma function
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necessary and sufficient condition
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logarithmically completely monotonic function
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divided difference
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psi function
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inequality for sums
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bound for the ratio of two gamma functions
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0.947314977645874
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0.9294403195381165
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0.9288880228996276
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