Applied and computational complex analysis. Vol. 3: discrete Fourier analysis—Cauchy integrals—construction of conformal maps---univalent functions
A refinement of Carleman's inequality
Journal of Approximation Theory
On strengthened Hardy and Pólya-Knopp's inequalities
Journal of Approximation Theory
Basics of diamond-α partial dynamic calculus on time scales
Mathematical and Computer Modelling: An International Journal
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A sharpened version of Carleman's inequality is proved. This result unifies and generalizes some recent results of this type. Also the "ordinary" sum that serves as the upper bound is replaced by the corresponding Cesaro sum. Moreover, a Carleman-type inequality with a more general measure is proved and this result may also be seen as a generalization of a continuous variant of Carleman's inequality, which is usually referred to as Knopp's inequality. A new elementary proof of (Carleman-) Knopp's inequality and a new inequality of Hardy-Knopp type is pointed out.