English
Related papers

Related papers: Spectral Stability of Inviscid Roll Waves

200 papers

We investigate a number of complex patterns driven by the electro-convection instability in a planarly aligned layer of a nematic liquid crystal. They are traced back to various secondary instabilities of the ideal roll patterns bifurcating…

Soft Condensed Matter · Physics 2015-12-23 Alexei Krekhov , Bernd Dressel , Werner Pesch , Vladimir Delev , Eduard Batyrshin

In order to understand the nonlinear stability of many types of time-periodic travelling waves on unbounded domains, one must overcome two main difficulties: the presence of embedded neutral eigenvalues and the time-dependence of the…

Analysis of PDEs · Mathematics 2015-05-13 Margaret Beck , Bjorn Sandstede , Kevin Zumbrun

The main goal of this paper is to present orbital stability results of periodic standing waves for the one-dimensional logarithmic Klein-Gordon equation. To do so, we first use compactness arguments and a non-standard analysis to obtain the…

Analysis of PDEs · Mathematics 2019-11-26 Fábio Natali , Eleomar Cardoso

The nonlinear Schroedinger equation possesses three distinct six-parameter families of complex-valued quasi-periodic travelling waves, one in the defocusing case and two in the focusing case. All these solutions have the property that their…

Analysis of PDEs · Mathematics 2007-05-23 Thierry Gallay , Mariana Haragus

This paper is concerned with the study of the nonlinear stability of the contact discontinuity of the Navier-Stokes-Poisson system with free boundary in the case where the electron background density satisfies an analogue of the Boltzmann…

Analysis of PDEs · Mathematics 2015-08-07 Shuangqian Liu , Haiyan Yin , Changjiang Zhu

In this note, we announce a general result resolving the long-standing question of nonlinear modulational stability, or stability with respect to localized perturbations, of periodic traveling-wave solutions of the generalized…

Analysis of PDEs · Mathematics 2010-12-22 Blake Barker , Mathew A. Johnson , Pascal Noble , L. Miguel Rodrigues , Kevin Zumbrun

This paper concerns the instability and stability of the trivial steady states of the incompressible Navier-Stokes equations with Navier-slip boundary conditions in a slab domain in dimension two. The main results show that the stability…

Analysis of PDEs · Mathematics 2022-04-28 Shijin Ding , Quanrong Li , Zhouping Xin

We study the behaviour of eigenvalues, below the bottom of the essential spectrum, of the Laplacian under finite Riemannian coverings of complete and connected Riemannian manifolds. We define spectral stability and instability of such…

Differential Geometry · Mathematics 2024-06-26 Sugata Mondal , Werner Ballmann

In this paper we address the stability of resonantly forced density waves in dense planetary rings. Already by Goldreich & Tremaine (1978) it has been argued that density waves might be unstable, depending on the relationship between the…

Earth and Planetary Astrophysics · Physics 2018-04-23 Marius Lehmann , Juergen Schmidt , Heikki Salo

We establish long-time stability of multi-dimensional noncharacteristic boundary layers of a class of hyperbolic--parabolic systems including the compressible Navier--Stokes equations with inflow [outflow] boundary conditions, under the…

Mathematical Physics · Physics 2008-08-01 Toan Nguyen , Kevin Zumbrun

We consider the existence and spectral stability of periodic multi-pulse solutions in Hamiltonian systems which are translation invariant and reversible, for which the fifth-order Korteweg-de Vries equation is a prototypical example. We use…

Dynamical Systems · Mathematics 2022-07-08 Ross Parker , Björn Sandstede

In a companion paper, we established nonlinear stability with detailed diffusive rates of decay of spectrally stable periodic traveling-wave solutions of reaction diffusion systems under small perturbations consisting of a nonlocalized…

Analysis of PDEs · Mathematics 2015-05-28 Mathew Johnson , Pascal Noble , L. Miguel Rodrigues , Kevin Zumbrun

We determine the modulational stability of standing waves with small group velocity in quasi-onedimensional systems slightly above the threshold of a supercritical Hopf bifurcation. The stability limits are given by two different…

patt-sol · Physics 2009-09-25 Hermann Riecke , Lorenz Kramer

As described in the classic works of Lee--Stewart and Short--Stewart, the numerical evaluation of linear stability of planar detonation waves is a computationally intensive problem of considerable interest in applications. Reexamining this…

Numerical Analysis · Mathematics 2017-06-09 Jeffrey Humpherys , Kevin Zumbrun

The present contribution proves the asymptotic orbital stability of viscous regularizations of stable Riemann shocks of scalar balance laws, uniformly with respect to the viscosity/diffusion parameter $\epsilon$. The uniformity is…

Analysis of PDEs · Mathematics 2022-02-01 Paul Blochas , L. Miguel Rodrigues

We establish spectral, linear, and nonlinear stability of the vanishing and slow-moving travelling waves that arise as time asymptotic solutions to the Fisher-Stefan equation. Nonlinear stability is in terms of the limiting equations that…

Analysis of PDEs · Mathematics 2024-03-18 T. T. H. Bui , P. van Heijster , R. Marangell

We establish nonlinear stability and asymptotic behavior of traveling periodic waves of viscous conservation laws under localized perturbations or nonlocalized perturbations asymptotic to constant shifts in phase, showing that long-time…

Analysis of PDEs · Mathematics 2012-11-12 Mathew A. Johnson , Pascal Noble , L. Miguel Rodrigues , Kevin Zumbrun

A free boundary problem for the one-dimensional compressible Navier-Stokes equations is investigated. The asymptotic stability of the viscous shock wave is established under some smallness conditions. The proof is given by an elementary…

Analysis of PDEs · Mathematics 2009-12-25 Feimin Huang , Xiaoding Shi , Yi Wang

This paper investigates the stability of traveling wave solutions to the free boundary Euler equations with a submerged point vortex. We prove that sufficiently small-amplitude waves with small enough vortex strength are conditionally…

Analysis of PDEs · Mathematics 2019-07-30 Kristoffer Varholm , Erik Wahlén , Samuel Walsh

In this paper we consider the stability for a type of stochastic McKean-Vlasov equations with non-Lipschitz coefficients. First, sufficient conditions are given for the exponential stability of the second moments for their solutions in…

Probability · Mathematics 2020-03-31 Xiaojie Ding , Huijie Qiao
‹ Prev 1 8 9 10 Next ›