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Related papers: Stable manifolds for an orbitally unstable NLS

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Kalu\v{z}a, Kopeck\'a and the author have shown that the best Lipschitz constant for mappings taking a given $n^{d}$-element set in the integer lattice $\mathbb{Z}^{d}$, with $n\in \mathbb{N}$, surjectively to the regular $n$ times $n$ grid…

Functional Analysis · Mathematics 2023-09-14 Michael Dymond

We consider a family of regularized defocusing nonlinear Schrodinger (NLS) equations proposed in the context of the cubic NLS equation with a bounded dispersion relation. The time evolution is well-posed if the black soliton is perturbed by…

Analysis of PDEs · Mathematics 2023-04-12 Dmitry E. Pelinovsky , Michael Plum

In Hamiltonian systems subjected to periodic perturbations the stable and unstable manifolds of the unstable periodic orbits provide the dynamical "skeleton" that drives the mixing process and bounds the chaotic regions of the phase space.…

Plasma Physics · Physics 2016-10-05 David Ciro Taborda , Todd Edwin Evans , Iberê Luiz Caldas

We construct two examples of invariant manifolds that despite being locally unstable at every point in the transverse direction are globally stable. Using numerical simulations we show that these invariant manifolds temporarily repel nearby…

Chaotic Dynamics · Physics 2017-12-05 Phanindra Tallapragada , Senbagaraman Sudarsanam

Two-dimensional (2D) equations describing the nonlinear interaction between upper-hybrid and dispersive magnetosonic waves are presented. Nonlocal nonlinearity in the equations results in the possibility of existence of stable 2D nonlinear…

Plasma Physics · Physics 2009-11-13 V. M. Lashkin

We review the current status of the problem of constructing classical field theory solutions describing stationary vortex rings in Minkowski space in 3+1 dimensions. We describe the known up to date solutions of this type, such as the…

High Energy Physics - Theory · Physics 2008-12-18 Eugen Radu , Mikhail S. Volkov

We show that the quadratic interaction of fundamental and second harmonics in a bulk dispersive medium, combined with self-defocusing cubic nonlinearity, give rise to completely localized spatiotemporal solitons (vortex tori) with vorticity…

Pattern Formation and Solitons · Physics 2009-11-07 D. Mihalache , D. Mazilu , L. C. Crasovan , I. Towers , B. A. Malomed , A. V. Buryak , L. Torner , F. Lederer

We provide a sufficient condition for the local stability of closed Einstein manifolds of positive Ricci curvature under the Ricci iteration in terms of the spectrum of the Lichnerowicz Laplacian acting on divergence-free tensor fields. We…

Differential Geometry · Mathematics 2019-07-25 Timothy Buttsworth , Maximilien Hallgren

In this paper we study the stability of the self-similar solutions of the binormal flow, which is a model for the dynamics of vortex filaments in fluids and super-fluids. These particular solutions $\chi_a(t,x)$ form a family of evolving…

Analysis of PDEs · Mathematics 2009-12-17 Valeria Banica , Luis Vega

We consider the NLS on Schwarzschild manifold.For radial solutions with sufficiently localized initial data,global existence,L^p estimates and asymptotic completeness of the wave operators is proved

Mathematical Physics · Physics 2007-05-23 I. Laba , A. Soffer

We consider the focusing mass supercritical nonlinear Schr\"odinger equation with rotation \begin{equation*} iu_{t}=-\frac{1}{2}\Delta u+\frac{1}{2}V(x)u-|u|^{p-1}u+L_{\Omega}u,\quad (x,t)\in \mathbb{R}^{N}\times\mathbb{R}, \end{equation*}…

Analysis of PDEs · Mathematics 2021-02-22 Alex H. Ardila , Hichem Hajaiej

In a benchmark dynamical-lattice model in three dimensions, the discrete nonlinear Schr{\"{o}}dinger equation, we find discrete vortex solitons with various values of the topological charge $S$. Stability regions for the vortices with…

Other Condensed Matter · Physics 2016-08-16 P. G. Kevrekidis , B. A. Malomed , D. J. Frantzeskakis , R. Carretero-González

We consider the codimension one asymptotic stability problem for the soliton of the focusing cubic Klein-Gordon equation on the line under even perturbations. The main obstruction to full asymptotic stability on the center-stable manifold…

Analysis of PDEs · Mathematics 2024-03-04 Jonas Luhrmann , Wilhelm Schlag

The aim of this paper is to prove the existence and smoothness of stable and unstable invariant manifolds for a stochastic delayed partial differential equation of parabolic type. The stochastic delayed partial differential equation is…

Dynamical Systems · Mathematics 2023-06-13 Wenjie Hu , Quanxin Zhu , Tomás Caraballo

We study local well-posedness and orbital stability/instability of standing waves for a first order system associated with a nonlinear Klein-Gordon equation on a star graph. The proof of the well-posedness uses a classical fixed point…

Spectral Theory · Mathematics 2021-08-17 Nataliia Goloshchapova

The aim of this paper is to study the stability of soliton-like static solutions via non-linear simulations in the context of a special class of massive tensor-multi-scalar-theories of gravity whose target space metric admits Killing…

General Relativity and Quantum Cosmology · Physics 2021-09-22 Riccardo Falcone , Daniela D. Doneva , Kostas D. Kokkotas , Stoytcho S. Yazadjiev

This paper proposes a fairly general new point of view on the question of asymptotic stability of (topological) solitons. Our approach is based on the use of the distorted Fourier transform at the nonlinear level; it does not rely on…

Analysis of PDEs · Mathematics 2023-02-16 Pierre Germain , Fabio Pusateri

We consider the stability issue of the inverse conductivity problem for a conformal class of anisotropic conductivities in terms of the local Dirichlet-to-Neumann map. We extend here the stability result obtained by Alessandrini and…

Analysis of PDEs · Mathematics 2016-11-04 Romina Gaburro , Eva Sincich

The modulational stability of the nonlinear Schr{\"o}dinger (NLS) equation is examined in the cases with linear and quadratic external potential. This study is motivated by recent experimental studies in the context of matter waves in…

Soft Condensed Matter · Physics 2007-05-23 Z. Rapti , P. G. Kevrekidis , V. V. Konotop

The main concern of this paper is to mathematically investigate the formation of a plasma sheath near the surface of nonplanar walls. We study the existence and asymptotic stability of stationary solutions for the nonisentropic…

Analysis of PDEs · Mathematics 2024-03-13 Mingjie Li , Masahiro Suzuki