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Sharp constants in inequalities admitting the Calderón transference principle
Published online by Cambridge University Press: 04 August 2023
Abstract
The aim of this note is twofold. First, we prove an abstract version of the Calderón transference principle for inequalities of admissible type in the general commutative multilinear and multiparameter setting. Such an operation does not increase the constants in the transferred inequalities. Second, we use the last information to study a certain dichotomy arising in problems of finding the best constants in the weak type $(1,1)$ and strong type $(p,p)$ inequalities for one-parameter ergodic maximal operators.
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- © The Author(s), 2023. Published by Cambridge University Press