An improved discrete Hardy inequality

Autoren: Matthias Keller, Yehuda Pinchover, Felix Pogorzelski (2018)

We improve the classical discrete Hardy inequality

<nobr>n=1a2n(12)2n=1(a1+a2++ann)2,</nobr>

where <nobr>{an}n=1</nobr> is any sequence of non-negative real numbers.

Zeitschrift:
American Mathematics Monthly
Seiten:
347–350
Band:
125

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