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In this paper we study the fifth order Kadomtsev--Petviashvili II (KP--II) equation on the upper half-plane $U=\{(x,y)\in \R^2: y>0\}$. In particular we obtain low regularity local well-posedness using the restricted norm method of Bourgain…

Analysis of PDEs · Mathematics 2019-03-11 M. B. Erdogan , T. B. Gurel , N. Tzirakis

Local well-posedness for the two-dimensional Zakharov-Kuznetsov equation in the fully periodic case with initial data in Sobolev spaces $H^s$, $s>1$, is proved. Frequency dependent time localization is utilized to control the derivative…

Analysis of PDEs · Mathematics 2021-06-17 Shinya Kinoshita , Robert Schippa

We study McKean-Vlasov equations where the coefficients are locally Lipschitz continuous. We prove the strong well-posedness and a propagation of chaos property in this framework. These questions can be treated with classical arguments…

Probability · Mathematics 2022-03-02 Xavier Erny

These notes are devoted to the notion of well-posedness of the Cauchy problem for nonlinear dispersive equations. We present recent methods for proving ill-posedness type results for dispersive PDE's. The common feature in the analysis is…

Analysis of PDEs · Mathematics 2007-05-23 N. Tzvetkov

We address the Cauchy problem for the $k$-generalized Zakharov-Kuznetsov equation ($k$-gZK) posed on $\mathbb{R}^2$ and on $\mathbb{R} \times \mathbb{T}$. By applying established and recently developed linear and bilinear Strichartz-type…

Analysis of PDEs · Mathematics 2026-03-27 Jakob Nowicki-Koth

We consider the Cauchy problem associated to a class of dispersive perturbations of Burgers' equations, which contains the low dispersion Benjamin-Ono equation, (also known as low dispersion fractional KdV equation), $$…

Analysis of PDEs · Mathematics 2025-07-18 Luc Molinet , Didier Pilod , Stéphane Vento

This paper is concerned with the Cauchy problem of the $2$D Zakharov-Kuznetsov equation. We prove bilinear estimates which imply local in time well-posedness in the Sobolev space $H^s({\mathbb{R}}^2)$ for $s > -1/4$, and these are optimal…

Analysis of PDEs · Mathematics 2020-10-23 Shinya Kinoshita

We consider the modified Zakharov-Kuznetsov (mZK) equation in two space dimensions in both focusing and defocusing cases. Using the $I$-method, we prove the global well-posedness of the $H^s$ solutions for $s>\frac{3}{4}$ for any data in…

Analysis of PDEs · Mathematics 2021-08-26 Debdeep Bhattacharya , Luiz Gustavo Farah , Svetlana Roudenko

We study the dispersion-generalized Benjamin-Ono equation in the periodic setting. This equation interpolates between the Benjamin-Ono equation ($\alpha=1$) and the viscous Burgers' equation ($\alpha=0$). We obtain local well-posedness in…

Analysis of PDEs · Mathematics 2023-05-10 Niklas Jöckel

Recently, there has been a wide interest in the study of aggregation equations and Patlak-Keller-Segel (PKS) models for chemotaxis with degenerate diffusion. The focus of this paper is the unification and generalization of the…

Analysis of PDEs · Mathematics 2015-05-19 Jacob Bedrossian , Nancy Rodríguez , Andrea Bertozzi

The Cauchy-problem for the generalized Kadomtsev-Petviashvili-II equation $$u_t + u_{xxx} + \partial_x^{-1}u_{yy}= (u^l)_x, \quad l \ge 3,$$ is shown to be locally well-posed in almost critical anisotropic Sobolev spaces. The proof combines…

Analysis of PDEs · Mathematics 2009-04-10 Axel Gruenrock

We prove several dispersive estimates for the linear part of the Full Dispersion Kadomtsev-Petviashvili introduced by David Lannes to overcome some shortcomings of the classical Kadomtsev-Petviashvili equations. The proof of these estimates…

Analysis of PDEs · Mathematics 2021-02-24 Didier Pilod , Jean-Claude Saut , Sigmund Selberg , Achenef Tesfahun

We consider the $k$-dispersion generalized Benjamin-Ono ($k$-DGBO) equations. For nonlinearities with power $k \geq 4$, we establish local and global well-posedness results for the associated initial value problem (IVP) in both the critical…

Analysis of PDEs · Mathematics 2024-10-23 Luccas Campos , Felipe Linares , Thyago S. R. Santos

A complete classification of compacton solutions is carried out for a generalization of the Kadomtsev-Petviashvili (KP) equation involving nonlinear dispersion in two and higher spatial dimensions. In particular, precise conditions are…

Mathematical Physics · Physics 2025-10-20 Stephen C. Anco , Maria Gandarias

We consider the global well-posedness for the Cauchy probelem of the Kawahara equation which is one of the fifth order KdV type equations. We first establish the local well-posedness in a more suitable function space for the global…

Analysis of PDEs · Mathematics 2012-03-01 Takamori Kato

We study the initial value problem associated to the dispersion generalized Benjamin-Ono equation. Our aim is to establish well-posedness results in weighted Sobolev spaces via contraction principle under minimal requirements in the…

Analysis of PDEs · Mathematics 2013-09-03 Germán Fonseca , Felipe Linares , Gustavo Ponce

We prove local and global well-posedness results for the Gabitov-Turitsyn or dispersion managed nonlinear Schr\"odinger equation with a large class of nonlinearities and arbitrary average dispersion on $L^2(\mathbb{R})$ and…

Analysis of PDEs · Mathematics 2022-12-15 Mi-Ran Choi , Dirk Hundertmark , Young-Ran Lee

The Euler-Korteweg equations are a modification of the Euler equations that takes into account capillary effects. In the general case they form a quasi-linear system that can be recast as a degenerate Schr\"odinger type equation. Local…

Analysis of PDEs · Mathematics 2017-03-08 Corentin Audiard , Boris Haspot

The Cauchy problem for the Kadomtsev-Petviashvili-II equation (u_t+u_{xxx}+uu_x)_x+u_{yy}=0 is considered. A small data global well-posedness and scattering result in the scale invariant, non-isotropic, homogeneous Sobolev space \dot…

Analysis of PDEs · Mathematics 2010-11-03 Martin Hadac , Sebastian Herr , Herbert Koch

We show that the fifth-order Kadomtsev-Petviashvili II equation is globally well-posed in an anisotropic Gevrey space, which complements earlier results on the well-posedness of this equation in anisotropic Sobolev spaces.

Analysis of PDEs · Mathematics 2020-06-24 Aissa Boukarou , Daniel Oliveira da Silva , Kaddour Guerbati , Khaled Zennir