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We give a simple proof of the sharp decay of the Fourier-transform of surface-carried measures of two-dimensional generic surfaces. The estimates are applied to prove Strichartz and resolvent estimates for elliptic operators whose…

Analysis of PDEs · Mathematics 2021-07-29 Jean-Claude Cuenin , Robert Schippa

We consider refinements of the local smoothing estimates for the Schr\"odinger equation in domains which are exterior to a strictly convex obstacle in $\RR^n$. By restricting the solution to small, frequency dependent collars of the…

Analysis of PDEs · Mathematics 2013-03-13 Matthew D Blair

We prove weighted estimates on the linear KdV group, which are scaling sharp. This kind of estimates are in the spirit of that used to prove small data scattering for the generalized KdV equations.

Analysis of PDEs · Mathematics 2013-06-12 Raphaël Côte , Luis Vega

We study the Schr\"odinger equation on a flat euclidean cone $\mathbb{R}_+ \times \mathbb{S}^1_\rho$ of cross-sectional radius $\rho > 0$, developing asymptotics for the fundamental solution both in the regime near the cone point and at…

Analysis of PDEs · Mathematics 2010-10-05 G. Austin Ford

We improve local smoothing estimates for fractional Schr\"{o}dinger equations for $\alpha \in (0,1) \cup (1,\infty)$.

Classical Analysis and ODEs · Mathematics 2022-05-24 Shengwen Gan , Changkeun Oh , Shukun Wu

We prove new lossless Strichartz and spectral projection estimates on asymptotically hyperbolic surfaces, and, in particular, on all convex cocompact hyperbolic surfaces. In order to do this, we also obtain log-scale lossless Strichartz and…

Analysis of PDEs · Mathematics 2026-02-09 Xiaoqi Huang , Christopher D. Sogge , Zhongkai Tao , Zhexing Zhang

We prove local in time Strichartz estimates without loss for the restriction of the solution of the Schroedinger equation, outside a large compact set, on a class of asymptotically hyperbolic manifolds.

Analysis of PDEs · Mathematics 2007-11-28 Jean-Marc Bouclet

We show some new local smoothing estimates of the fractional Schr\"odinger equations with initial data in $\alpha$-modulation spaces via decoupling inequalities. Furthermore, our necessary conditions show that the local smoothing estimates…

Analysis of PDEs · Mathematics 2022-08-16 Yufeng Lu

We use high-low frequency methods developed in the context of decoupling to prove sharp (up to $C_\epsilon R^\epsilon$) square function estimates for the moment curve $(t,t^2,\ldots,t^n)$ in $\mathbb{R}^n$. Our inductive scheme incorporates…

Classical Analysis and ODEs · Mathematics 2023-09-26 Larry Guth , Dominique Maldague

We prove Strichartz estimates for the Schr\"odinger equation with scaling-critical electromagnetic potentials in dimensions $n\geq3$. The decay assumption on the magnetic potentials is critical, including the case of the Coulomb potential.…

Analysis of PDEs · Mathematics 2025-05-20 Qiuye Jia , Junyong Zhang

Recently we have reanalyzed the consistency of the solutions of the space fractional Schr\"odinger equation found in a piecewise manner, and showed that an exact and a proper treatment of the relevant integrals prove that they are…

Mathematical Physics · Physics 2012-08-16 Selçuk Ş. Bayin

We consider the Schr\"odinger equation on a half space in any dimension with a class of nonhomogeneous boundary conditions including Dirichlet, Neuman and the so-called transparent boundary conditions. Building upon recent local in time…

Analysis of PDEs · Mathematics 2017-02-23 Corentin Audiard

In this paper, we prove that Kato smoothing effects for magnetic Schr\"odinger operators can yield the endpoint Strichartz estimates for linear wave equation with magnetic potential on two dimensional hyperbolic spaces. This result serves…

Analysis of PDEs · Mathematics 2018-03-16 Ze Li

We prove $l^p$-improving estimates for the averaging operator along the discrete paraboloid in the sharp range of $p$ in all dimensions $n\ge 2$.

Classical Analysis and ODEs · Mathematics 2020-02-28 Shival Dasu , Ciprian Demeter , Bartosz Langowski

In this paper we obtain some Strichartz estimates for the Schr\"odinger equation associated to the harmonic oscillator and the Laplacian. Our main tool will be some embeddings between Lebesgue spaces and suitable Triebel-Lizorkin spaces.

Analysis of PDEs · Mathematics 2018-08-10 Duván Cardona

In this paper, we establish an optimal dual version of trace estimate involving angular regularity. Based on this estimate, we get the generalized Morawetz estimates and weighted Strichartz estimates for the solutions to a large class of…

Analysis of PDEs · Mathematics 2011-02-08 Daoyuan Fang , Chengbo Wang

We prove the convergence in a strong norm of a finite difference semi-discrete scheme approximating a coupled Schr\"odinger--KdV system on a bounded domain. This system models the interaction of short and long waves. Since the energy…

Numerical Analysis · Mathematics 2012-02-07 Paulo Amorim , Mário Figueira

In this paper, the existence, uniqueness and regularity properties, Strichartz type estimates for solution of multipoint Cauchy problem for linear and nonlinear Schr\"odinger equations with general elliptic leading part is obtained.

Analysis of PDEs · Mathematics 2018-04-30 Veli Shakhmurov

We identify the compactness threshold for optimizing sequences of the Airy-- Strichartz inequality as an explicit multiple of the sharp constant in the Strichartz inequality. In particular, if the sharp constant in the Airy--Strichartz…

Analysis of PDEs · Mathematics 2018-05-03 Rupert L. Frank , Julien Sabin , Rupert Frank

The purpose of this paper is to study the validity of global-in-time Strichartz estimates for the Schr\"odinger equation on $\mathbb{R}^n$, $n\ge3$, with the negative inverse-square potential $-\sigma|x|^{-2}$ in the critical case…

Analysis of PDEs · Mathematics 2017-05-09 Haruya Mizutani