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Weighted estimates for rough oscillatory singular integrals
Authors:Harri Ojanen
Institution:(1) MathEngine Oy, Melkonkatu 18A, 00120 Helsinki, Finland
Abstract:Weighted Lp estimates (1<p<∞) are shown for oscillatory singular integral operators with polynomial phase and a rough kernel of the form eiP(x,y)Ω(x−y)h(|x−y|)|x−y|−n. We assume that Ω∈L logL(Sn−1) is homogeneous of degree zero and ∫Sn-1Ω=0. The radial factor h has bounded variation. The necessary condition on the weight is similar to the Ap condition but involves rectangles (instead of cubes) arising from a covering of a star-shaped set related to Ω.
Keywords:42B20
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