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On some properties of digamma and polygamma functions |
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| Authors: | Necdet Batir |
| Institution: | Department of Mathematics, Faculty of Arts and Sciences, Yuzuncu Yil University, 65080, Van, Turkey |
| Abstract: | In this note we present some new and structural inequalities for digamma, polygamma and inverse polygamma functions. We also extend, generalize and refine some known inequalities for these important functions. |
| Keywords: | Polygamma functions Digamma function Inverse polygamma functions Complete monotonicity Gautschi inequality Riemann zeta-function and gamma function |
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