Extremizers and sharp weak-type estimates for positive dyadic shifts
classification
🧮 math.CA
keywords
dyadiclocalpositiveshiftsweak-typebellmandescribeestimates
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We find the exact Bellman function for the weak $L^1$ norm of local positive dyadic shifts. We also describe a sequence of functions, self-similar in nature, which in the limit extremize the local weak-type (1,1) inequality.
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