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An improved one-dimensional Hardy inequality (2204.00877v1)
Published 2 Apr 2022 in math.AP, math.CA, math.FA, and math.SP
Abstract: We prove a one-dimensional Hardy inequality on the halfline with sharp constant, which improves the classical form of this inequality. As a consequence of this new inequality we can rederive known doubly weighted Hardy inequalities. Our motivation comes from the theory of Schr\"odinger operators and we explain the use of Hardy inequalities in that context.
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