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Mixed $A_{p}-A_{∞}$ estimates with one supremum

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Lerner A., Moen K.

Studia Mathematica

2013

tom 219

nr 3

247-267

We establish several mixed $A_{p}-A_{∞}$ bounds for Calderón-Zygmund operators that only involve one supremum. We address both cases when the $A_{∞}$ part of the constant is measured using the exponential-logarithmic definition and using the Fujii-Wilson definition. In particular, we answer a question of the first author and provide an answer, up to a logarithmic factor, to a conjecture of Hytönen and Lacey. Moreover, we give an example to show that our bounds with the logarithmic factors can be arbitrarily smaller than the previously known bounds (both with one supremum and two suprema).

Ograniczanie wyników

1 Studia Mathematica

1 Lerner A.

1 Moen K.

1 2013

Wyniki wyszukiwania

Mixed $A_{p}-A_{∞}$ estimates with one supremum