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Multi-scale sparse domination

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arxiv 2009.00227 v3 pith:RP3CJQDC submitted 2020-09-01 math.CA math.FA

Multi-scale sparse domination

classification math.CA math.FA
keywords dominationfunctionsmulti-scaleoperatorssparseapplicationsappliesbeyond
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We prove a bilinear form sparse domination theorem that applies to many multi-scale operators beyond Calder\'on-Zygmund theory, and also establish necessary conditions. Among the applications, we cover large classes of Fourier multipliers, maximal functions, square functions and variation norm operators.

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