English
Related papers

Related papers: The $L^p$ boundedness of wave operators for the th…

200 papers

We consider the higher order Schr\"odinger operator $H=(-\Delta)^m+V(x)$ in $n$ dimensions with real-valued potential $V$ when $n>4m$, $m\in \mathbb N$. We adapt our recent results for $m>1$ to show that when $H$ has a threshold eigenvalue…

Analysis of PDEs · Mathematics 2025-03-12 M. Burak Erdogan , William R. Green , Kevin LaMaster

This paper investigates the $L^p$-bounds of wave operators for higher-order Schr\"odinger operators $H = (-\Delta)^m + V$ on $\mathbb{R}^n$, with $m \ge 2$ and real-valued decaying potentials $V$. Our main objective is to establish the…

Analysis of PDEs · Mathematics 2025-05-13 Han Cheng , Avy Soffer , Zhao Wu , Xiaohua Yao

This paper is dedicated to investigating the $L^p$-bounds of wave operators $W_\pm(H,\Delta^2)$ associated with fourth-order Schr\"odinger operators $H=\Delta^2+V$ on $\mathbb{R}^3$. We consider that real potentials satisfy $|V(x)|\lesssim…

Analysis of PDEs · Mathematics 2024-09-17 Haruya Mizutani , Zijun Wan , Xiaohua Yao

This paper investigates the $L^p$ boundedness of wave operators for the Laplace operator with finite rank perturbations \begin{equation*} H=-\Delta+\sum\limits_{i=1}^N\langle\cdot\,, \varphi_i\rangle \varphi_i \qquad \mbox{on}\,\,\, \R^d.…

Analysis of PDEs · Mathematics 2025-08-08 Han Cheng , Shanlin Huang , Avy Soffer , Zhao Wu

We prove that the wave operators of scattering theory for the fourth order Schr\"odinger operators $\Delta^2 + V(x)$ in ${\mathbb R}^4$ are bounded in $L^p({\mathbb R}^4)$ for the set of $p$'s of $(1,\infty)$ depending on the kind of…

Mathematical Physics · Physics 2023-08-08 Artbazar Galtbayar , Kenji Yajima

We consider the higher order Schr\"odinger operator $H=(-\Delta)^m+V(x)$ in $n$ dimensions with real-valued potential $V$ when $n>2m$, $m\in \mathbb N$, $m>1$. When $n$ is odd, we prove that the wave operators extend to bounded operators on…

Analysis of PDEs · Mathematics 2022-08-15 M. Burak Erdogan , William Green

We give another proof of the $L^p$ boundedness of scattering wave operators, at the low frequency part of the data. The proof also allows the control of the commutator of multiplication by $|x|$ with the wave operator in $L^p$. The method…

Analysis of PDEs · Mathematics 2022-02-08 Avy Soffer , Xiaoxu Wu

We prove that the wave operators for Schr\"odinger operators with multi-center local point interactions are the scaling limits of the ones for Schr\"odinger operators with regular potentials. We simultaneously present a proof of the…

Mathematical Physics · Physics 2019-08-09 Artbazar Galtbayar , Kenji Yajima

We consider fractional Schr\"odinger operators $H=(-\Delta)^\alpha+V(x)$ in $n$ dimensions with real-valued potential $V$ when $n>2\alpha$, $\alpha>1$. We show that the wave operators extend to bounded operators on $L^p(\mathbb R^n)$ for…

Analysis of PDEs · Mathematics 2025-09-23 M. Burak Erdogan , Michael Goldberg , William Green

In this paper we consider $L^p$ boundedness of some commutators of Riesz transforms associated to Schr\"{o}dinger operator $P=-\Delta+V(x)$ on $\mathbb{R}^n, n\geq 3$. We assume that $V(x)$ is non-zero, nonnegative, and belongs to $B_q$ for…

Classical Analysis and ODEs · Mathematics 2015-05-13 Zihua Guo , Pengtao Li , Lizhong Peng

We prove that wave operators of scattering theory for fourth order Schr\"odinger operators $H = \Delta^2 + V (x)$ on $\mathbb{R}^2$ with real potentials $V(x)$ such that $\langle x \rangle^3 V(x) \in L^{\frac43}(\mathbb{R}^2)$ and $\langle…

Mathematical Physics · Physics 2026-02-10 Artbazar Galtbayar , Kenji Yajima

We prove existence of modified wave operators for one-dimensional Schr\"odinger equations with potential in $L^p(\reals)$, $p<2$. If in addition the potential is conditionally integrable, then the usual M\"oller wave operators exist. We…

Spectral Theory · Mathematics 2007-05-23 M. Christ , A. Kiselev

Boundedness of wave operators for Schr\"odinger operators in one space dimension for a class of singular potentials, admitting finitely many Dirac delta distributions, is proved. Applications are presented to, for example, dispersive…

Analysis of PDEs · Mathematics 2021-10-01 Vincent Duchêne , Jeremy L. Marzuola , Michael I. Weinstein

In this paper, we study the $L^{p}$-estimates for the solution to the wave equation with a scaling-critical magnetic potential in Euclidean $R^N$ with $N\geq3$. Inspired by the work of \cite{L}, we show that the operators…

Analysis of PDEs · Mathematics 2025-04-10 Jialu Wang , Chengbin Xu , Fang Zhang

We study the $L^p$ mapping properties of the strong spherical maximal function, which is a multiparameter generalisation of Stein's spherical maximal function. We show that this operator is bounded on $L^p$ for $p > 2$ in all dimensions $n…

Classical Analysis and ODEs · Mathematics 2025-02-06 Jonathan Hickman , Joshua Zahl

The study of dispersive properties of Schr\"odinger operators with point interactions is a fundamental tool for understanding the behavior of many body quantum systems interacting with very short range potential, whose dynamics can be…

Mathematical Physics · Physics 2020-09-22 Felice Iandoli , Raffaele Scandone

This paper investigates the $\ell^p$ boundedness of wave operators $W_\pm(H,\Delta^2)$ associated with discrete fourth-order Schr\"odinger operators $H = \Delta^2 + V$ on the lattice $\mathbb{Z}$, where…

Analysis of PDEs · Mathematics 2025-12-12 Sisi Huang , Xiaohua Yao

We study boundedness on $L^p(R^d)$ of vertical Littlewood-Paley-Stein functions for Schr\"odinger operators $-\Delta + V$ with nonnegative potential $V$. These functions are proved to be bounded on $L^p$ for all $p \in (1, 2]$. The…

Analysis of PDEs · Mathematics 2017-05-22 El Maati Ouhabaz

In this paper, we investigate the $W^{s,p}$-boundedness for stationary wave operators of the Schr\"odinger operator with inverse-square potential $$\mathcal L_a=-\Delta+\tfrac{a}{|x|^2}, \quad a\geq -\tfrac{(d-2)^2}{4},$$ in dimension…

Analysis of PDEs · Mathematics 2023-05-05 Changxing Miao , Xiaoyan Su , Jiqiang Zheng

In this paper, we study the $L^{p}$-estimates for the solution to the $2\mathrm{D}$-wave equation with a scaling-critical magnetic potential. Inspired by the work of \cite{FZZ}, we show that the operators…

Analysis of PDEs · Mathematics 2025-02-06 Jialu Wang , Fang Zhang , Junyong Zhang , Jiqiang Zheng