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On open problems of F. Qi. (English) Zbl 1184.26017
Summary: We give a complete answer to Problem 1 and a partial answer to Problem 2 posed by F. Qi in [JIPAM, J. Inequal. Pure Appl. Math. 8, No. 3, Paper No. 78, 5 p., electronic only (2007; Zbl 1197.26035)] and we propose an open problem.
MSC:
26D15 Inequalities for sums, series and integrals
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