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This is the second of two articles in which we prove a sharp $L^p-L^2$ Fourier restriction theorem for a large class of smooth, finite type hypersurfaces in R^3, which includes in particular all real-analytic hypersurfaces.

Classical Analysis and ODEs · Mathematics 2014-10-14 Isroil A. Ikromov , Detlef Müller

This is the first of two articles in which we prove a sharp $L^p-L^2$ Fourier restriction theorem for a large class of smooth, finite type hypersurfaces in $\Bbb R^3$, which includes in particular all real-analytic hypersurfaces. The…

Classical Analysis and ODEs · Mathematics 2014-10-14 Isroil A. Ikomov , Detlef Müller

We prove $L^p \rightarrow L^q$ Fourier restriction estimates for 3-dimensional quadratic surfaces in $\mathbb{R}^5$. Our results are sharp, up to endpoints, for a few classes of surfaces.

Classical Analysis and ODEs · Mathematics 2022-08-30 Shaoming Guo , Changkeun Oh

We present a restriction theorem for the Fourier transform to a 2-dimensional conical surface of finite type, obtaining a sharp result, which improves previous work by Barcelo.

Classical Analysis and ODEs · Mathematics 2019-08-14 Stefan Buschenhenke

We provide $L^p \to L^q$ refinements on some Fourier restriction estimates obtained using polynomial partitioning. Let $S\subset \mathbb{R}^3$ be a compact $C^\infty$ surface with strictly positive second fundamental form. We derive sharp…

Classical Analysis and ODEs · Mathematics 2017-02-10 Jongchon Kim

A Fourier restriction estimate is obtained for a broad class of conic surfaces by adding a weight to the usual underlying measure. The new restriction estimate exhibits a certain affine-invariance and implies the sharp $L^p-L^q$ restriction…

Classical Analysis and ODEs · Mathematics 2019-02-20 Jonathan Hickman

The restriction problem is better understood for hypersurfaces and recent progresses have been made by bilinear and multilinear approaches and most recently polynomial partitioning method which is combined with those estimates. However, for…

Classical Analysis and ODEs · Mathematics 2019-03-13 Juyoung Lee , Sanghyuk Lee

We prove sharp $L^2$ Fourier restriction inequalities for compact, smooth surfaces in $\mathbb{R}^3$ equipped with the affine surface measure or a power thereof. The results are valid for all smooth surfaces and the bounds are uniform for…

Classical Analysis and ODEs · Mathematics 2024-11-08 Jianhui Li

This dissertation studies the Fourier restriction, which is to find the range of the constants p, q such that the L^q norm on a chosen subset of the Fourier domain is bounded above by the L^p norm in a spacial domain, up to some constant…

History and Overview · Mathematics 2025-12-16 Sicheng Zhang

In contrast to elliptic surfaces, the Fourier restriction problem for hypersurfaces of non-vanishing Gaussian curvature which admit principal curvatures of opposite signs is still hardly understood. In fact, even for 2-surfaces, the only…

Classical Analysis and ODEs · Mathematics 2019-07-04 Stefan Buschenhenke , Detlef Müller , Ana Vargas

Let $S$ be a hypersurface in $\Bbb R^3$ which is the graph of a smooth, finite type function $\phi,$ and let $\mu=\rho\, d\si$ be a surface carried measure on $S,$ where $d\si$ denotes the surface element on $S$ and $\rho$ a smooth density…

Classical Analysis and ODEs · Mathematics 2010-10-12 Isroil A. Ikromov , Detlef Müller

Conditional on Fourier restriction estimates for elliptic hypersurfaces, we prove optimal restriction estimates for polynomial hypersurfaces of revolution for which the defining polynomial has non-negative coefficients. In particular, we…

Classical Analysis and ODEs · Mathematics 2017-10-24 Betsy Stovall

The purpose of this paper is to prove a Fourier restriction estimate for certain 2-dimensional surfaces in $\bbR^{2d}$, $d\ge 3$. These surfaces are defined by a complex curve $\gamma(z)$ of simple type, which is given by a mapping of the…

Classical Analysis and ODEs · Mathematics 2013-04-01 Jong-Guk Bak , Seheon Ham

We prove Fourier restriction estimates by means of the polynomial partitioning method for compact subsets of any sufficiently smooth hyperbolic hypersurface in threedimensional euclidean space. Our approach exploits in a crucial way the…

Classical Analysis and ODEs · Mathematics 2020-10-21 Stefan Buschenhenke , Detlef Müller , Ana Vargas

In connection with the restriction problem in $\mathbb R^n$ for hypersurfaces including the sphere and paraboloid, the bilinear (adjoint) restriction estimates have been extensively studied. However, not much is known about such estimates…

Classical Analysis and ODEs · Mathematics 2017-10-23 Jong-Guk Bak , Jungjin Lee , Sanghyuk Lee

We prove global Fourier restriction estimates for elliptic, or two-sheeted, hyperboloids of arbitrary dimension $d \geq 2$, extending recent joint work with Oliveira e Silva and Stovall. Our results are unconditional in the (adjoint)…

Classical Analysis and ODEs · Mathematics 2020-08-04 Benjamin Bruce

We study the boundedness problem for maximal operators $\M$ associated to smooth hypersurfaces $S$ in 3-dimensional Euclidean space. For $p>2,$ we prove that if no affine tangent plane to $S$ passes through the origin and $S$ is analytic,…

Classical Analysis and ODEs · Mathematics 2007-06-08 Isroil A. Ikromov , Michael Kempe , Detlef Müller

This result sharpens the bilinear to linear deduction of Lee and Vargas for extension estimates on the hyperbolic paraboloid in $\mathbb R^3$ to the sharp line, leading to the first scale-invariant restriction estimates, beyond the…

Classical Analysis and ODEs · Mathematics 2018-12-19 Betsy Stovall

A local two-dimensional resolution of singularities theorem and arguments based on the Van der Corput lemma are used to give new estimates for the decay rate of the Fourier transform of a locally defined smooth hypersurface measure in R^3,…

Classical Analysis and ODEs · Mathematics 2014-11-04 Michael Greenblatt

In this article we revisit some classical conjectures in harmonic analysis in the setting of mixed norm spaces $L^p_{rad} L^2_{ang} (\mathbb{R}^n)$. We produce sharp bounds for the restriction of the Fourier transform to compact…

Classical Analysis and ODEs · Mathematics 2016-01-20 Antonio Córdoba , Eric Latorre
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