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We consider the unitary group for the Schr\"odinger operator with inverse-square potential. We adapt Combes-Thomas estimates to show that, when restricted to non-radial functions, the operator enjoys much better estimates that mirror those…

Analysis of PDEs · Mathematics 2017-12-06 Alexander Adam Azzam

The principal purpose of this note is to provide a reconstruction procedure for distributional matrix-valued potential coefficients of Schr\"odinger-type operators on a half-line from the underlying Weyl-Titchmarsh function.

Spectral Theory · Mathematics 2015-03-23 Jonathan Eckhardt , Fritz Gesztesy , Roger Nichols , Alexander Sakhnovich , Gerald Teschl

In this note we give explicit solutions to the wave equation associated to the Schr\"odinger operator with three-inverse square potential on $R_+^3$

Analysis of PDEs · Mathematics 2017-03-16 Yehdhih Mohamed Abdelhaye , Badahi Mohamed , Mohamed Vall Ould Moustapha

Let P be the operator $-\Delta+V$ on R^d, where $V$ is a real potential with several inverse square singularities. The usual non-trapping type high-frequency inequality on the truncated resolvent of $P$ is shown, using semi-classical…

Analysis of PDEs · Mathematics 2007-05-23 Thomas Duyckaerts

Using an extension of the H\"ormander product of distributions, we obtain an intrinsic formulation of one-dimensional Schr\"odinger operators with singular potentials. This formulation is entirely defined in terms of standard {\it Schwartz}…

Spectral Theory · Mathematics 2018-07-17 Nuno Costa Dias , Joao Nuno Prata , Cristina Jorge

Positivity, essential self-adjointness, and spectral properties of a class of Schroedinger operators with multipolar inverse-square potentials are discussed. In particular a necessary and sufficient condition on the masses of singularities…

Analysis of PDEs · Mathematics 2007-07-23 Veronica Felli , Elsa M. Marchini , Susanna Terracini

We prove that the inverse scattering problem for the Schr\"odinger operator with the separable potential can be reduced to the solving of a certain singular integral equation. We establish the uniqueness of the potential corresponding to…

Mathematical Physics · Physics 2007-05-23 Yu. P. Chuburin

We show various $L^p$ estimates for Schr\"odinger operators $-\Delta+V$ on $\RR^n$ and their square roots. We assume reverse H\"older estimates on the potential, and improve some results of Shen \cite{Sh1}. Our main tools are improved…

Analysis of PDEs · Mathematics 2007-05-23 Pascal Auscher , Besma Ben Ali

We obtain weighted mixed inequalities for operators associated to a critical radius function. We consider Schr\"odinger Calder\'on-Zygmund operators of $(s,\delta)$ type, for $1<s\leq \infty$ and $0<\delta \leq 1$. We also give estimates of…

Analysis of PDEs · Mathematics 2022-08-10 Fabio Berra , Gladis Pradolini , Pablo Quijano

In this paper, we classify the fundamental solutions for a class of Schrodinger operators.

Analysis of PDEs · Mathematics 2017-03-14 Huyuan Chen , Suad Alhomedan , Hichem Hajaiej , Peter Markowich

We establish that the potential appearing in a fractional Schr\"odinger operator is uniquely determined by an internal spectral data.

Analysis of PDEs · Mathematics 2023-01-19 Mourad Choulli

The present work aims at obtaining estimates for transformation operators for one-dimensional perturbed radial Schr\"odinger operators. It provides more details and suitable extensions to already existing results, that are needed in other…

Spectral Theory · Mathematics 2019-08-23 Markus Holzleitner

We prove a sharp H\"ormander multiplier theorem for Schr\"odinger operators $H=-\Delta+V$ on $\mathbb{R}^n$. The result is obtained under certain condition on a weighted $L^\infty$ estimate, coupled with a weighted $L^2$ estimate for $H$,…

Classical Analysis and ODEs · Mathematics 2020-02-13 Shijun Zheng

We utilize the theory of de Branges spaces to show when certain Schr\"odinger operators with strongly singular potentials are uniquely determined by their associated spectral measure. The results are applied to obtain an inverse uniqueness…

Spectral Theory · Mathematics 2014-01-14 Jonathan Eckhardt

We consider inverse dynamical, spectral, quantum and acoustical scattering problems for the Schr\"odinger operator on the half line. The goal of the paper is to establish the connections between different types of inverse data for these…

Analysis of PDEs · Mathematics 2025-05-15 A. S. Mikhaylov , V. S. Mikhaylov

In this paper, we provide the boundedness property of the Riesz transforms associated to the Schr\"odinger operator $\mathcal{L}=-\Delta + \mathbf{V}$ in a new weighted Morrey space which is the generalized version of many previous Morrey…

Analysis of PDEs · Mathematics 2019-07-09 Le Xuan Truong , Nguyen Thanh Nhan , Nguyen Ngoc Trong

We study positivity, localization of binding and essential self-adjointness properties of a class of Schroedinger operators with many anisotropic inverse square singularities, including the case of multiple dipole potentials.

Analysis of PDEs · Mathematics 2009-01-22 Veronica Felli , Elsa M. Marchini , Susanna Terracini

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

The Schwartz kernel of the spectral density for the Schr\"{o}dinger operator with magnetic field in the $n-$dimensional complex ball is given. As applications, we compute the heat, resolvent and the wave kernels. Moreover, the resolvent and…

Functional Analysis · Mathematics 2020-02-21 Nour eddine Askour , Mohamed Bouaouid , Abdelkarim Elhadouni

This paper concerns an inverse band structure problem for one dimensional periodic Schr\"odinger operators (Hill's operators). Our goal is to find a potential for the Hill's operator in order to reproduce as best as possible some given…

Optimization and Control · Mathematics 2017-09-22 Athmane Bakhta , Virginie Ehrlacher , David Gontier
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