Dynamics of the Collision of Two Nearly Equal Solitary Waves for the Zakharov–Kuznetsov Equation

D Pilod, F Valet - Communications in Mathematical Physics, 2024 - Springer
We study the dynamics of the collision of two solitary waves for the 2 and 3-dimensional
Zakharov–Kuznetsov equation, a high-dimensional non-integrable version of the Korteweg …

Asymptotic stability of a finite sum of solitary waves for the Zakharov–Kuznetsov equation

D Pilod, F Valet - Nonlinearity, 2024 - iopscience.iop.org
We prove the asymptotic stability of a finite sum of well-ordered solitary waves for the
Zakharov–Kuznetsov equation in dimensions two and three. We also derive a qualitative …

On local energy decay for large solutions of the Zakharov-Kuznetsov equation

AJ Mendez, C Muñoz, F Poblete… - Communications in Partial …, 2021 - Taylor & Francis
Abstract We consider the Zakharov-Kutznesov (ZK) equation posed in R d, with d= 2 and 3.
Both equations are globally well-posed in L 2 (R d). In this article, we prove local energy …

On the near soliton dynamics for the 2D cubic Zakharov-Kuznetsov equations

G Chen, Y Lan, X Yuan - arxiv preprint arxiv:2407.00300, 2024 - arxiv.org
In this article, we consider the Cauchy problem for the cubic (mass-critical) Zakharov-
Kuznetsov equations in dimension two: $$\partial_t u+\partial_ {x_1}(\Delta u+ u^ 3) …

Stability and instability of solitary waves in fractional generalized KdV equation in all dimensions

O Riaño, S Roudenko - arxiv preprint arxiv:2210.09159, 2022 - arxiv.org
We study stability properties of solitary wave solutions for the fractional generalized
Korteweg-de Vries equation $$\partial_t u-\partial_ {x_1} D^{\alpha} u+\tfrac {1}{m}\partial …

Whitham modulation theory for the Zakharov–Kuznetsov equation and stability analysis of its periodic traveling wave solutions

G Biondini, A Chernyavsky - Studies in Applied Mathematics, 2024 - Wiley Online Library
We derive the Whitham modulation equations for the Zakharov–Kuznetsov equation via a
multiple scales expansion and averaging two conservation laws over one oscillation period …

On decay properties for solutions of the Zakharov–Kuznetsov equation

AJ Mendez, O Riaño - Nonlinear Analysis: Real World Applications, 2025 - Elsevier
This work mainly focuses on spatial decay properties of solutions to the Zakharov–
Kuznetsov equation. For the two-and three-dimensional cases, it was established that if the …

Dynamics of solutions in the generalized Benjamin-Ono equation: a numerical study

S Roudenko, Z Wang, K Yang - Journal of Computational Physics, 2021 - Elsevier
We consider the generalized Benjamin-Ono (gBO) equation on the real line, u t+∂ x (− H u
x+ 1 mum)= 0, x∈ R, m= 2, 3, 4, 5, and perform numerical study of its solutions. We first …

Numerical study of soliton stability, resolution and interactions in the 3D Zakharov–Kuznetsov equation

C Klein, S Roudenko, N Stoilov - Physica D: Nonlinear Phenomena, 2021 - Elsevier
We present a detailed numerical study of solutions to the Zakharov–Kuznetsov equation in
three spatial dimensions. The equation is a three-dimensional generalization of the …

Nonexistence of minimal mass blow-up solution for the 2D cubic Zakharov-Kuznetsov equation

G Chen, Y Lan, X Yuan - arxiv preprint arxiv:2412.02131, 2024 - arxiv.org
For the 2D cubic (mass-critical) Zakharov-Kuznetsov equation,\begin {equation*}\partial_t\
phi+\partial_ {x_1}(\Delta\phi+\phi^ 3)= 0,\quad (t, x)\in [0,\infty)\times\mathbb {R}^{2},\end …