Title of article :
On some properties of digamma and polygamma
functions
Author/Authors :
Necdet Batir، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2007
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.
© 2006 Elsevier Inc. All rights reserved.
Keywords :
Polygamma functions , Inverse polygamma functions , complete monotonicity , Digamma function , Gautschiinequality , Riemann zeta-function and gamma function
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications
