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Restriction of Fourier transforms to curves and related oscillatory integrals

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arxiv math/0612752 v2 pith:GRVXBHIR submitted 2006-12-24 math.CA

Restriction of Fourier transforms to curves and related oscillatory integrals

classification math.CA
keywords curvesfourieroscillatoryrelatedrestrictionsharpaffinearclength
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We prove sharp endpoint results for the Fourier restriction operator associated to nondegenerate curves in $\Bbb R^d$, $d\ge 3$, and related estimates for oscillatory integral operators. Moreover, for some larger classes of curves in $\Bbb R^d$ we obtain sharp uniform $L^p\to L^q$ bounds with respect to affine arclength measure, thereby resolving a problem of Drury and Marshall.

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