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We consider Schr\"odinger equation with a non-degenerate metric on the Euclidean space. We study local in time Strichartz estimates for the Schr\"odinger equation without loss of derivatives including the endpoint case. In contrast to the…

Analysis of PDEs · Mathematics 2017-08-08 Kouichi Taira

We prove global well-posedness and scattering in $H^1$ for the defocusing nonlinear Schr\"{o}dinger equations \begin{equation*} \begin{cases} &(i\partial_t+\Delta_\g)u=u|u|^{2\sigma}; &u(0)=\phi, \end{cases} \end{equation*} on the…

Analysis of PDEs · Mathematics 2008-01-21 Alexandru D. Ionescu , Gigliola Staffilani

In this paper, we explore the relations between different kinds of Strichartz estimates and give new estimates in Euclidean space $\mathbb{R}^n$. In particular, we prove the generalized and weighted Strichartz estimates for a large class of…

Analysis of PDEs · Mathematics 2012-07-24 Jin-Cheng Jiang , Chengbo Wang , Xin Yu

In this paper we generalize the classical Strichartz estimation for solutions of initial problem for linear parabolic and Schr\"odinger PDE on many popular classes {\it pairs} of rearrangement invariant(r.i.) spaces and construct some…

Analysis of PDEs · Mathematics 2009-01-20 E. Ostrovsky , E. Rogover

The purpose of this article is to construct global solutions, in a probabilistic sense, for the nonlinear Schr{\"o}dinger equation posed on $\mathbb{R}^d$, in a supercritical regime. Firstly, we establish Bourgain type bilinear estimates…

Analysis of PDEs · Mathematics 2023-04-24 Nicolas Burq , Aurélien Poiret , Laurent Thomann

We study the nonlinear Schr\"odinger equation associated with the sublaplacian L on the unit sphere $S^{2n+1}$ in $C^{n+1}$ equipped with its natural CR structure. We first prove Strichartz estimates with fractional loss of derivatives for…

Analysis of PDEs · Mathematics 2013-05-03 Valentina Casarino , Marco M. Peloso

We prove a general dispersive estimate for a Schroedinger type equation on a product manifold, under the assumption that the equation restricted to each factor satisfies suitable dispersive estimates. Among the applications are the…

Analysis of PDEs · Mathematics 2010-12-03 Vittoria Pierfelice

We study the decay and smoothness of solutions of the dispersion managed non-linear Schr\"odinger equation in the case of zero residual dispersion. Using new x-space versions of bilinear Strichartz estimates, we show that the solutions are…

Mathematical Physics · Physics 2008-04-24 Dirk Hundertmark , Young-Ran Lee

We prove the dispersive and Strichartz estimates for solutions to the wave equation with a class of many-electric potentials in spatial dimension three. To obtain the desired dispersive estimate, based on the spectral properties of the…

Analysis of PDEs · Mathematics 2024-02-14 Haoran Wang

In this paper, we prove new Strichartz estimates for linear Schrodinger equations posed on d-dimensional irrational tori. Then, we use these estimates to prove subcritical and critical local well-posedness results for nonlinear Schrodinger…

Analysis of PDEs · Mathematics 2014-03-11 Zihua Guo , Tadahiro Oh , Yuzhao Wang

We consider the nonlinear Schrodinger equation under a partial quadratic confinement. We show that the global dispersion corresponding to the direction(s) with no potential is enough to prove global in time Strichartz estimates, from which…

Analysis of PDEs · Mathematics 2015-06-17 Paolo Antonelli , Rémi Carles , Jorge Drumond Silva

The purpose of this paper is to illustrate the I-method by studying low-regularity solutions of the nonlinear Schr\'[o]dinger equation in two space dimensions. By applying this method, together with the interaction Morawetz estimate, (see…

Analysis of PDEs · Mathematics 2015-12-09 Changxing Miao , Jiqiang Zheng

We prove smoothing estimates for Schr\"odinger equations $i\partial_t \phi+\partial_x (a(x) \partial_x \phi) =0$ with $a(x)\in \mathrm{BV}$, the space of functions with bounded total variation, real, positive and bounded from below. We then…

Analysis of PDEs · Mathematics 2007-05-23 N. Burq , F. Planchon

In this note we study the eigenvalue problem for a quadratic form associated with Strichartz estimates for the Schr\"{o}dinger equation, proving in particular a sharp Strichartz inequality for the case of odd initial data. We also describe…

Classical Analysis and ODEs · Mathematics 2022-02-08 Felipe Gonçalves , Don Zagier

In this paper we focus on the validity of some fundamental estimates for time-degenerate Schr\"{o}dinger-type operators. On one hand we derive global homogeneous smoothing estimates for operators of any order by means of suitable comparison…

Analysis of PDEs · Mathematics 2024-02-19 Serena Federico , Michael Ruzhansky

In this paper, we prove the decay and scattering in the energy space for nonlinear Schr\"odinger equations with regular potentials in $\Bbb R^d$ namely, $i{\partial _t}u + \Delta u - V(x)u + \lambda |u|^{p - 1}u = 0$. We will prove decay…

Analysis of PDEs · Mathematics 2017-03-13 Ze Li , Lifeng Zhao

We analyze the one-dimensional semi-classical Schr\"odinger equation on the half-line with a linear potential and Dirichlet boundary conditions. Our main focus is on establishing improved dispersive and Strichartz estimates for this model,…

Analysis of PDEs · Mathematics 2025-10-03 Oana Ivanovici

We prove dispersive estimates for linear Schroedinger equations in two space dimensions. The potential is assumed to be real-valued with some polynomial decay (faster than a negative third power), and zero energy is assumed to be a regular…

Analysis of PDEs · Mathematics 2009-11-10 Wilhelm Schlag

We study local-in-time and global-in-time bilinear Strichartz estimates for the Schr\"odinger equation on waveguides. As applications, we apply those estimates to study global well-posedness of nonlinear Schr\"odinger equations on these…

Analysis of PDEs · Mathematics 2024-07-02 Yangkendi Deng , Chenjie Fan , Kailong Yang , Zehua Zhao , Jiqiang Zheng

In this paper we study the Cauchy problem for the elliptic and non-elliptic derivative nonlinear Schr\"odinger equations in higher spatial dimensions ($n\geq 2$) and some global well-posedness results with small initial data in critical…

Analysis of PDEs · Mathematics 2010-06-14 Baoxiang Wang , Yuzhao Wang