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math.FA2019
Weighted inequalities for discrete iterated Hardy operators
Amiran Gogatishvili, Martin Křepela, Rastislav Oľhava +1
We characterize a three-weight inequality for an iterated discrete Hardy-type operator. In the case when the domain space is a weighted space with , we develop…
math.FA2018
Weighted inequalities for iterated Copson integral operators
Martin Křepela, Luboš Pick
We solve a long-standing open problem in theory of weighted inequalities concerning iterated Copson operators. We use a constructive approximation method based on a new discretizat…