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Using Painleve singularity structure analysis, we show that coupled higher-order nonlinear Schrodinger (CHNLS) equations admit Painleve property. Using the results of Painleve analysis, we succeed in Hirota bilinearizing the CHNLS…

Exactly Solvable and Integrable Systems · Physics 2009-10-31 M. N. Vinoj , V. C. Kuriakose

We investigate a class of nonlinear Schrodinger equations with a generalized Choquard nonlinearity and fractional diffusion. We obtain regularity, existence, nonexistence, symmetry as well as decays properties.

Analysis of PDEs · Mathematics 2014-12-01 Pietro d'Avenia , Gaetano Siciliano , Marco Squassina

By using the Lie's invariance infinitesimal criterion we obtain the continuous equivalence transformations of a class of nonlinear Schr\"{o}dinger equations with variable coefficients. Starting from the equivalence generators we construct…

Exactly Solvable and Integrable Systems · Physics 2009-11-11 M. Senthilvelan , M. Torrisi , A. Valenti

This paper deals with a class of nonlinear elliptic equations involving a critical power-nonlinearity as well as a potential featuring multiple inverse square singularities. When the poles form a symmetric structure, it is natural we wonder…

Analysis of PDEs · Mathematics 2007-05-23 Veronica Felli , Susanna Terracini

Using Lie group theory and canonical transformations, we construct explicit solutions of nonlinear Schrodinger equations with spatially inhomogeneous nonlinearities. We present the general theory, use it to study different examples and use…

Pattern Formation and Solitons · Physics 2008-01-10 J. Belmonte-Beitia , V. M. Perez-Garcia , V. Vekslerchik , P. J. Torres

As a sequel to the paper [9], we study the existence and properties of Lipschitz solutions to the initial-boundary value problem of some forward-backward parabolic equations with diffusion fluxes violating Fourier's inequality.

Analysis of PDEs · Mathematics 2016-02-19 Seonghak Kim , Baisheng Yan

It is proved the existence of multivalent solutions for the Riemann-Hilbert problem in the general settings of finitely connected domains bounded by mutually disjoint Jordan curves, measurable coefficients and measurable boundary data. The…

Complex Variables · Mathematics 2015-10-19 Vladimir Ryazanov

We use a discrete multiscale analysis to study the asymptotic integrability of differential-difference equations. In particular, we show that multiscale perturbation techniques provide an analytic tool to derive necessary integrability…

Mathematical Physics · Physics 2015-05-13 D. Levi , M. Petrera , C. Scimiterna

In this paper we present a reduction technique based on bilinearization and double Wronskians (or double Casoratians) to obtain explicit multi-soliton solutions for the integrable space-time shifted nonlocal equations introduced very…

Exactly Solvable and Integrable Systems · Physics 2022-05-18 Shi-min Liu , Jing Wang , Da-jun Zhang

We study arbitrary order symmetry operators for the linear Schr\"odinger equations with arbitrary number of spatial variables. We deduce determining equations for coefficient functions of such operators and consider in detail some cases…

Mathematical Physics · Physics 2016-03-08 A. G. Nikitin

We show global uniqueness in an inverse problem for the fractional Schr\"odinger equation: an unknown potential in a bounded domain is uniquely determined by exterior measurements of solutions. We also show global uniqueness in the partial…

Analysis of PDEs · Mathematics 2020-03-25 Tuhin Ghosh , Mikko Salo , Gunther Uhlmann

In this paper, we intend to present some already known results about the internal controllability of the linear and nonlinear Schr\"odinger equation. After presenting the basic properties of the equation, we give a self contained proof of…

Analysis of PDEs · Mathematics 2013-07-09 Camille Laurent

We study existence and uniqueness of solutions to a class of nonlinear degenerate parabolic equations, in bounded domains. We show that there exists a unique solution which satisfies possibly inhomogeneous Dirichlet boundary conditions. To…

Analysis of PDEs · Mathematics 2014-12-08 Fabio Punzo , Marta Strani

In this paper we study a mixed problem for the nonlinear Schr\"odinger equation globally that have a nonlinear adding, in which the coefficient is a generalized function. Here is proved a global solvability theorem of the considered problem…

Mathematical Physics · Physics 2012-11-16 Kamal N. Soltanov

We prove the local well-posedness of the initial boundary value problem for the nonlinear quadratic Schr\"odinger equation under low initial-boundary regularity assumption via the boundary integral operator method introduced by…

Analysis of PDEs · Mathematics 2023-09-28 Shenghao Li , Xin Yang

We provide a link between the virial theorem in functional analysis and the method of multipliers in theory of partial differential equations. After giving a physical insight into the techniques, we show how to use them to deduce the…

Spectral Theory · Mathematics 2024-07-18 Lucrezia Cossetti , David Krejcirik

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

This paper is devoted to study a fractional Choquard problem with slightly subcritical exponents on bounded domains. When the exponent of the convolution type nonlinearity tends to the fractional critical one in the sense of…

Analysis of PDEs · Mathematics 2023-02-07 Marco G. Ghimenti , Min Liu , Zhongwei Tang

Given a Schr\"odinger operator with a real-valued potential on a bounded, convex domain or a bounded interval we prove inequalities between the eigenvalues corresponding to Neumann and Dirichlet boundary conditions, respectively. The…

Spectral Theory · Mathematics 2020-03-17 Jonathan Rohleder

We prove bilinear estimates for the Schr\"odinger equation on 3D domains, with Dirichlet boundary conditions. On non-trapping domains, they match the $\mathbb{R}^3$ case, while on bounded domains they match the generic boundary less…

Analysis of PDEs · Mathematics 2021-08-23 Fabrice Planchon
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