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On the optimal relationships between LP-norms for the Hardy operator and its dual for decreasing functions
Journal of Approximation Theory ( IF 0.9 ) Pub Date : 2020-01-07 , DOI: 10.1016/j.jat.2019.105362
V.I. Kolyada

We prove sharp inequalities between Lpnorms (1<p<) of functions Hf and Hf, where H is the Hardy operator, H is its dual, and f is a nonnegative nonincreasing function on (0,). In particular, we extend one result obtained for integer p2 by Boza and Soria (2019), to the whole range of values p2.



中文翻译:

关于之间的最佳关系 大号P-Hardy运算符的范数及其对偶的递减函数

我们证明了 大号p-规范 1个<p< 功能的 HFHF,在哪里 H 是Hardy运算符, H 是它的双重 F 是一个非负非递增函数 0 特别地,我们扩展了整数获得的一个结果 p2 由Boza和Soria(2019)提供 p2

更新日期:2020-01-07
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