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We are interested in a WKB analysis of the Logarithmic Non-Linear Schr\"odinger Equation with "Riemann-like" variables in an analytic framework in semiclassical regime. We show that the Cauchy problem is locally well posed uniformly in the…

Analysis of PDEs · Mathematics 2021-09-13 Guillaume Ferriere

In this paper, we investigate the prescribed scalar curvature problem on a non-compact Riemannian manifold $(M, \langle \, , \, \rangle)$, namely the existence of a conformal deformation of the metric $\langle \, , \, \rangle$ realizing a…

Differential Geometry · Mathematics 2024-10-15 Bruno Bianchini , Luciano Mari , Marco Rigoli

We relate the scattering theory of the focusing AKNS system with vanishing boundary conditions to that of the matrix Schroedinger equation. The corresponding Miura transformation which allows this connection, converts the focusing matrix…

Exactly Solvable and Integrable Systems · Physics 2021-09-27 Francesco Demontis , Cornelis van der Mee

In this paper we study microlocal singularities of solutions to Schrodinger equations on scattering manifolds, i.e., noncompact Riemannian manifolds with asymptotically conic ends. We characterize the wave front set of the solutions in…

Analysis of PDEs · Mathematics 2007-11-22 Kenichi Ito , Shu Nakamura

We study the local and global wellposedness of the initial-boundary value problem for the biharmonic Schr\"odinger equation on the half-line with inhomogeneous Dirichlet-Neumann boundary data. First, we obtain a representation formula for…

Analysis of PDEs · Mathematics 2019-02-08 Türker Özsarı , Nermin Yolcu

We analyze how a short distance boundary condition for the Schrodinger equation must change as a function of the boundary radius by imposing the physical requirement of phase shift independence on the boundary condition. The resulting…

Nuclear Theory · Physics 2008-11-26 M. Pavon Valderrama , E. Ruiz Arriola

The perturbation theory based on the Riemann-Hilbert problem is developed for the modified nonlinear Schr{\"o}dinger equation which describes the propagation of femtosecond optical pulses in nonlinear single-mode optical fibers. A detailed…

solv-int · Physics 2009-10-31 V. S. Shchesnovich , E. V. Doktorov

The present work describes some extensions of an approach, originally developed by V.V. Yatsyk and the author, for the theoretical and numerical analysis of scattering and radiation effects on infinite plates with cubically polarized…

Mathematical Physics · Physics 2026-02-04 Lutz Angermann

We study a non-linear Schroedinger equation with a Hartree-type nonlinearity and a localized random time-dependent external potential. Sharp dispersive estimates for the linear Schroedinger equation with a random time-dependent potential…

Analysis of PDEs · Mathematics 2019-03-11 Marius Beceanu , Avy Soffer

Nonlocal nonlinear Schroedinger-type equation is derived as a model to describe paraxial light propagation in nonlinear media with different `degrees' of nonlocality. High frequency limit of this equation is studied under specific…

Exactly Solvable and Integrable Systems · Physics 2012-10-01 Boris Konopelchenko , Antonio Moro

We further develop the method of dressing the boundary for the focusing nonlinear Schr\"odinger equation (NLS) on the half-line to include the new boundary condition presented by Zambon. Additionally, the foundation to compare the solutions…

Mathematical Physics · Physics 2020-08-10 K. T. Gruner

The paper aims to apply the inverse scattering transform to the defocusing Hirota equation with fully asymmetric non-zero boundary conditions (NZBCs), addressing scenarios in which the solution's limiting values at spatial infinities…

Exactly Solvable and Integrable Systems · Physics 2024-01-31 Rusuo Ye , Peng-Fei Han , Yi Zhang

The multi-component nonlinear Schrodinger equation related to C.I=Sp(2p)/U(p) and D.III=SO(2p)/U(p)-type symmetric spaces with non-vanishing boundary conditions is solvable with the inverse scattering method (ISM). As Lax operator L we use…

Exactly Solvable and Integrable Systems · Physics 2008-03-25 Victor Atanasov , Vladimir Gerdjikov

We consider the cubic nonlinear Schrodinger equation with a potential in one space dimension. Under the assumptions that the potential is generic, sufficiently localized, and does not have bound states, we obtain the long time asymptotic…

Analysis of PDEs · Mathematics 2017-04-04 Pierre Germain , Fabio Pusateri , Frederic Rousset

We investigate the following inhomogeneous nonlinear Schr\"odinger equation in the radial regime, featuring a focusing energy-critical nonlinearity and a defocusing perturbation: $$ i\partial_t u +\Delta u =|x|^{-a} |u|^{p-2} u - |x|^{-b}…

Analysis of PDEs · Mathematics 2025-02-04 Tianxiang Gou , Mohamed Majdoub , Tarek Saanouni

We present a rigorous theory of the inverse scattering transform (IST) for the three-component defocusing nonlinear Schrodinger (NLS) equation with initial conditions approaching constant values with the same amplitude as $x\to\pm\infty$.…

Exactly Solvable and Integrable Systems · Physics 2016-05-25 Gino Biondini , Daniel Kraus , Barbara Prinari

We consider the final state problem for the inhomogeneous nonlinear Schr\"odinger equation with a critical long-range nonlinearity. Given a prescribed asymptotic profile, which has a logarithmic phase correction compared with the free…

Analysis of PDEs · Mathematics 2021-05-05 Kazuki Aoki , Takahisa Inui , Hayato Miyazaki , Haruya Mizutani , Kota Uriya

Here we obtain explicit formulae for bounds on the complex electrical polarizability at a given frequency of an inclusion with known volume that follow directly from the quasistatic bounds of Bergman and Milton on the effective complex…

Mathematical Physics · Physics 2017-09-27 Graeme W. Milton

We consider an inner problem for whispering gallery high-frequency asymptotic mode's scattering by a boundary inflection. The related boundary-value problem for a Schr\"{o}dinger equation on a half-line with a potential linear in both space…

Analysis of PDEs · Mathematics 2021-03-09 V. P. Smyshlyaev , I. V. Kamotski

The initial value problem for the general coupled Hirota system with nonzero boundary conditions at infinity is solved by reporting a rigorous theory of the inverse scattering transform. With the help of a suitable uniformization variable,…

Mathematical Physics · Physics 2023-07-03 Xiu-Bin Wang , Shou-Fu Tian