Inequalities for power series with nonnegative coefficients via a reverse of Jensen inequality

S. S. Dragomir

Abstract


Some inequalities for power series with nonnegative coefficients via a reverse oj Jenssen inequality obtained by Dragomir  and  Ionescu   in 1994 are given. Applications for some fundamental functions defined by power series are also provided.

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DOI: https://doi.org/10.2478/tatra.v65i0.370