English
Related papers

Related papers: Weighted wave envelope estimates for the parabola

200 papers

We extend the $L^4$-square function estimates for the parabola and the half-cone to quadratic manifolds in higher dimensions and their conical extensions. To this end, we require transversality for the tangent spaces of the quadratic…

Classical Analysis and ODEs · Mathematics 2025-02-20 Robert Schippa

We obtain some sharp $L^p$ weighted Fourier restriction estimates of the form $\|Ef\|_{L^p(B^{n+1}(0,R),Hdx)} \lessapprox R^{\beta}\|f\|_2$, where $E$ is the Fourier extension operator over the truncated paraboloid, and $H$ is a weight…

Classical Analysis and ODEs · Mathematics 2024-04-18 Xiumin Du , Jianhui Li , Hong Wang , Ruixiang Zhang

We establish some weighted $L^2$ estimates for the Fourier extension operator in $\mathbb{R}^2$ and discuss several applications to $L^p$ problems. These include estimates for the maximal Schr\"odinger operator and the maximal extension…

Classical Analysis and ODEs · Mathematics 2025-06-04 Shukun Wu

We show sharp square function estimates for curves in the plane whose curvature degenerates at a point and estimates sharp up to endpoints for cones over these curves. To this end, for curves of finite type we extend the classical…

Classical Analysis and ODEs · Mathematics 2024-08-15 Robert Schippa

The paper contains the proof of $L^p$-weighted norm inequalities for both, martingales square functions and the classical square functions in harmonic analysis of Littlewood-Paley and Lusin. Furthermore, the bounds are completely explicit…

Probability · Mathematics 2017-11-27 Rodrigo Banuelos , Adam Osekowski

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

A new decomposition for frequency-localized solutions to the Schrodinger equation is given which describes the evolution of the wavefunction using a weighted sum of Lipschitz tubes. As an application of this decomposition, we provide a new…

Analysis of PDEs · Mathematics 2015-07-28 Felipe Hernandez

We prove weighted $L^2$ and refined $L^p$ decoupling estimates for functions whose Fourier transforms are supported in a small neighborhood of the unit sphere or the truncated paraboloid with an additional lower-dimensional frequency…

Classical Analysis and ODEs · Mathematics 2026-05-05 Jongchon Kim

We derive dispersion estimates for solutions of the one-dimensional discrete perturbed Schr\"odinger and wave equations. In particular, we improve upon previous works and weaken the conditions on the potentials. To this end we also provide…

Spectral Theory · Mathematics 2015-12-18 Iryna Egorova , Elena Kopylova , Gerald Teschl

Quantitative formulations of Fefferman's counterexample for the ball multiplier are naturally linked to square function estimates for conical and directional multipliers. In this article we develop a novel framework for these square…

Classical Analysis and ODEs · Mathematics 2023-09-27 Natalia Accomazzo , Francesco Di Plinio , Paul Hagelstein , Ioannis Parissis , Luz Roncal

In this paper we consider weighted $L^2$ integrability for solutions of the wave equation. For this, we obtain some weighed $L^2$ estimates for the solutions with weights in Morrey-Campanato classes. Our method is based on a combination of…

Analysis of PDEs · Mathematics 2015-09-08 Youngwoo Koh , Ihyeok Seo

In this paper we extend a Calderon-Zygmund commutator-type estimate. This estimate enables us to prove an embedding result concerning weighted function spaces.

Functional Analysis · Mathematics 2015-06-26 Mirko Tarulli , J. Michael Wilson

We prove $L^{p}$ and weighted $L^{p}$ estimates for bounded functions of a selfadjoint operator satisfying both a pointwise gaussian estimate for its heat kernel and a finite speed of propagation property. As an application, we obtain…

Analysis of PDEs · Mathematics 2011-04-15 Federico Cacciafesta , Piero D'Ancona

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 prove a H\"{o}rmander type multiplier theorem for multilinear Fourier multipiers with multiple weights. We also give weighted estimates for their commutators with vector $BMO$ functions.

Classical Analysis and ODEs · Mathematics 2017-08-01 Kangwei Li , Wenchang Sun

For cylindrically symmetric functions dyadically supported on the paraboloid, we obtain a family of sharp linear and bilinear adjoint restriction estimates. As corollaries, we first extend the ranges of exponents for the classical…

Classical Analysis and ODEs · Mathematics 2008-06-01 Shuanglin Shao

This paper is a comprehensive study of $L_p$ estimates for time fractional wave equations of order $\alpha \in (1,2)$ in the whole space, a half space, or a cylindrical domain. We obtain weighted mixed-norm estimates and solvability of the…

Analysis of PDEs · Mathematics 2021-08-31 Hongjie Dong , Yanze Liu

In this paper we obtain sharp weighted estimates for solutions of the $\partial$-equation in a lineally convex domains of finite type. Precisely we obtain estimates in spaces of the form L p ({\Omega},$\delta$ $\gamma$), $\delta$ being the…

Complex Variables · Mathematics 2016-05-10 Philippe Charpentier , Y Dupain , M Mounkaila

The goal of this paper is to prove bilinear $L^p$ estimates for rough dispersive evolutions satisfying non-degeneracy and transversality assumptions. The estimates generalize the sharp Fourier extension estimates for the cone and the…

Analysis of PDEs · Mathematics 2026-02-05 Robert Schippa , Daniel Tataru

Let $\vec{P}=(p_1,\dotsc,p_m)$ with $1<p_1,\dotsc,p_m<\infty$, $1/p_1+\dotsb+1/p_m=1/p$ and $\vec{w}=(w_1,\dotsc,w_m)\in A_{\vec{P}}$. In this paper, we investigate the weighted bounds with dependence on aperture $\alpha$ for multilinear…

Classical Analysis and ODEs · Mathematics 2015-04-28 The Anh Bui , Mahdi Hormozi
‹ Prev 1 2 3 10 Next ›