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A Good-Lambda Lemma, two weight T1 theorems without weak boundedness, and a two weight accretive global Tb theorem

2016/09/26 by Eric T. Sawyer, Sawyer, Eric T., Chun‐Yen Shen +3
Mathematics · #Advanced Mathematical Physics Problems #Classical Analysis and ODEs (math.CA) #FOS: Mathematics #Geometric Analysis and Curvature Flows #Navier-Stokes equation solutions

paper · pdf · doi:10.48550/arxiv.1609.08125

openalex publication_date 2016/09/26 · openalex created_date 2022/10/01 · openalex updated_date 2026/07/28

Abstract

The weak boundedness property associated with a standard alpha-fractional Calderon-Zygmund operator and a weight pair is good-lambda controlled by the testing conditions and the Muckenhoupt and energy side conditions. As a consequence, assuming the side conditions, we can eliminate the weak boundedness property from Theorem 1 of arXiv:1603.04332v2 to obtain that T is bounded if and only if the testing conditions hold for T and its dual (an earlier instance of this type of conclusion appears in Lacey and Wick arXiv:1312.6163v3). As a corollary we give a simple derivation of a two weight accretive global Tb theorem from a related T1 theorem. The role of two different parameterizations of the family of dyadic grids, by scale and by translation, is highlighted in simultaneously exploiting both goodness and NTV surgery with families of grids that are common to both measures.

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