Some Properties of the Psi Function

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Chen, Chao-Ping (2009) Some Properties of the Psi Function. Research report collection, 12 (2).


We obtain some complete monotonicity and strongly complete monotonicity properties of the psi function, which extends some known results due to S.-L.Qiu and M.Vuorinen.

Item type Article
Subjects Historical > FOR Classification > 0101 Pure Mathematics
Current > Collections > Research Group in Mathematical Inequalities and Applications (RGMIA)
Keywords psi function, polygamma functions, complete monotonicity, strongly complete monotonicity, inequality
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