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Related papers: Weighted restriction estimates using polynomial pa…

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We provide a general scheme for proving $L^p$ estimates for certain bilinear Fourier restrictions outside the locally $L^2$ setting. As an application, we show how such estimates follow for the lacunary polygon. In contrast with prior…

Classical Analysis and ODEs · Mathematics 2012-01-16 Ciprian Demeter , S. Zubin Gautam

We obtain improved Fourier restriction estimate for the truncated cone using the method of polynomial partitioning in dimension $n\geq 3$, which in particular solves the cone restriction conjecture for $n=5$, and recovers the sharp range…

Classical Analysis and ODEs · Mathematics 2021-01-07 Yumeng Ou , Hong Wang

To prove Fourier restriction estimate using polynomial partitioning, Guth introduced the concept of $k$-broad part of regular $L^p$ norm and obtained sharp $k$-broad restriction estimates. To go from $k$-broad estimates to regular $L^p$…

Classical Analysis and ODEs · Mathematics 2017-11-30 Xiumin Du , Xiaochun Li

If $f$ is a function supported on the truncated paraboloid in $\mathbb{R}^3$ and $E$ is the corresponding extension operator, then we prove that for all $p> 3+ 3/13$, $\|Ef\|_{L^p(\mathbb{R}^3)}\leq C \|f\|_{L^{\infty}}$. The proof combines…

Classical Analysis and ODEs · Mathematics 2020-08-13 Hong Wang

We prove $L^p$ bounds for the Fourier extension operators associated to surfaces in $\mathbb{R}^3$ with negative Gaussian curvatures for every $p>3.25$.

Classical Analysis and ODEs · Mathematics 2023-03-09 Shaoming Guo , Changkeun Oh

In this paper we study the restriction estimate for the flat disk over finite fields. Mockenhaupt and Tao initially studied this problem but their results were addressed only for dimensions $n=4,6$. We improve and extend their results to…

Classical Analysis and ODEs · Mathematics 2022-10-05 Doowon Koh

Recently, L. Guth improved the restriction estimate for the surfaces with strictly positive Gaussian curvature in R3. In this paper we generalize his restriction estimate to the surfaces with strictly negative Gaussian curvature.

Classical Analysis and ODEs · Mathematics 2016-11-04 Chuhee Cho , Jungjin Lee

We prove a Fourier restriction estimate under the assumption that certain convolution power of the measure admits an $r$-integrable density.

Classical Analysis and ODEs · Mathematics 2014-04-15 Xianghong Chen

We establish optimal $(p,q)$ ranges for two types of estimates associated to three dimensional complex polynomial curves. These are the estimates for the weighted restriction of the Fourier Transform to a complex polynomial curve, and the…

Complex Variables · Mathematics 2020-12-18 Conor Meade

We establish weighted $L^p$-Fourier-extension estimates for $O(N-k) \times O(k)$-invariant functions defined on the unit sphere $\mathbb{S}^{N-1}$, allowing for exponents $p$ below the Stein-Tomas critical exponent $\frac{2(N+1)}{N-1}$.…

Analysis of PDEs · Mathematics 2021-01-20 Tobias Weth , Tolga Yesil

We prove weighted versions of the 2D Restriction Conjecture for the unit sphere in $\mathbb{R}^2$. Our results involve the weight functions $(1+|x|)^\alpha(1+|y|)^\beta$ and $(1+|x|+|y|)^\gamma$ with $\alpha,\beta,\gamma\geq 0$.

Analysis of PDEs · Mathematics 2024-12-31 Rainer Mandel

We improve the estimates in the restriction problem in dimension $n \ge 4$. To do so, we establish a weak version of a $k$-linear restriction estimate for any $k$. The exponents in this weak $k$-linear estimate are sharp for all $k$ and…

Classical Analysis and ODEs · Mathematics 2017-11-06 Larry Guth

In this paper we consider adjoint restriction estimates for space curves with respect to general measures and obtain optimal estimates when the curves satisfy a finite type condition. The argument here is new in that it doesn't rely on the…

Classical Analysis and ODEs · Mathematics 2015-03-17 Seheon Ham , Sanghyuk Lee

We propose to study the restriction conjecture using decoupling theorems and two-ends Furstenberg inequalities. Specifically, we pose a two-ends Furstenberg conjecture, which implies the restriction conjecture. As evidence, we prove this…

Classical Analysis and ODEs · Mathematics 2024-12-20 Hong Wang , Shukun Wu

We improve the best known exponent for the restriction conjecture in R^6. Our idea is applicable to any dimension n satisfying n = 0 mod 3, though we do not explicitly calculate the improvement for n > 6. This improves the recent results of…

Classical Analysis and ODEs · Mathematics 2012-09-03 Faruk Temur

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 explore the extent to which the Fourier transform of an $L^p$ density supported on the sphere in $\mathbb{R}^n$ can have large mass on affine subspaces, placing particular emphasis on lines and hyperplanes. This involves establishing…

Classical Analysis and ODEs · Mathematics 2020-01-07 Jonathan Bennett , Shohei Nakamura

The Fourier restriction conjecture is a fundamental problem in harmonic analysis. In this paper, we investigate restriction estimates for degenerate higher codimensional quadratic surfaces and obtain sharp results for some types of…

Classical Analysis and ODEs · Mathematics 2026-03-06 Zhenbin Cao , Changxing Miao , Yixuan Pang

Using Guth's polynomial partitioning method, we obtain $L^p$ estimates for the maximal function associated to the solution of Schr\"odinger equation in $\mathbb R^2$. The $L^p$ estimates can be used to recover the previous best known result…

Classical Analysis and ODEs · Mathematics 2016-11-10 Xiumin Du , Xiaochun Li

We obtain sharp weighted estimates for solutions of the equation $\partial$ u = f in a lineally convex domain of finite type. Precisely we obtain estimates in the spaces L p ($\Omega$,$\delta$ $\gamma$), $\delta$ being the distance to the…

Complex Variables · Mathematics 2017-04-13 Ph. Charpentier , Y Dupain