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In the paper, we consider the Cauchy problem to the Euler equations in $\mathbb{R}^d$ with $d\geq2$. We construct an initial data $u_0\in B^\sigma_{p,\infty}$ showing that the corresponding solution map of the Euler equations starting from…

Analysis of PDEs · Mathematics 2022-04-06 Jinlu Li , Yanghai Yu , Weipeng Zhu

The global regularity for the viscous Boussinesq equations is proved.

Analysis of PDEs · Mathematics 2009-11-10 Yanguang Charles Li

In this paper, we investigate the Cauchy problem for the tridimensional Boussinesq equations with horizontal dissipation. Under the assumption that the initial data is an axisymmetric without swirl, we prove the global well-posedness for…

Analysis of PDEs · Mathematics 2013-06-10 Changxing Miao , Xiaoxin Zheng

In this paper we study the regularity properties of the "good" Boussinesq equation on the half line. We obtain local existence, uniqueness and continuous dependence on initial data in low-regularity spaces. Moreover we prove that the…

Analysis of PDEs · Mathematics 2016-11-29 Erin Compaan , Nikolaos Tzirakis

This article studies the global well-posedness for a class of defocusing, generalized sixth-order Boussinesq equations, extending a previous result obtained by Wang and Esfahani for the case when the nonlinear term is cubic.

Analysis of PDEs · Mathematics 2019-07-09 Dan-Andrei Geba , Evan Witz

We study the well-posedness of the initial-value problem for the periodic nonlinear "good" Boussinesq equation. We prove that this equation is local well-posed for initial data in Sobolev spaces \textit{$H^s(\T)$} for $s>-1/4$, the same…

Analysis of PDEs · Mathematics 2010-09-30 Luiz Gustavo Farah , Marcia Scialom

In this paper, our goal is to improve the local well-posedness theory for certain generalized Boussinesq equations by revisiting bilinear estimates related to the Schr\"{o}dinger equation. Moreover, we propose a novel, automated procedure…

Analysis of PDEs · Mathematics 2019-12-30 Dan-Andrei Geba , Evan Witz

The paper is devoted to investigating the well-posedness, stability and large-time behavior near the hydrostatic balance for the 2D Boussinesq equations with partial dissipation. More precisely, the global well-posedness is obtained in the…

Analysis of PDEs · Mathematics 2024-07-30 Kyungkeun Kang , Jihoon Lee , Dinh Duong Nguyen

We consider higher order viscous Burgers' equations with generalized nonlinearity and study the associated initial value problems for given data in the $L^2$-based Sobolev spaces. We introduce appropriate time weighted spaces to derive…

Analysis of PDEs · Mathematics 2015-06-02 Xavier Carvajal , Mahendra Panthee

We study the two dimensional viscous Boussinesq equations, which model stratified flows in a circular domain under the influence of a general gravitational potential $f$. First, we show that the Boussinesq equations admit steady-state…

Analysis of PDEs · Mathematics 2026-01-13 Song Jiang , Quan Wang

We study smoothness of generalized solutions of nonlocal elliptic problems in plane bounded domains with piecewise smooth boundary. The case where the support of nonlocal terms can intersect the boundary is considered. We find conditions…

Analysis of PDEs · Mathematics 2014-04-22 Pavel Gurevich

In this paper we obtain global well-posedness in low order Sobolev spaces of higher order KdV type equations with dissipation. The result is optimal in the sense that the flow-map is not twice continuously differentiable in rougher spaces.…

Analysis of PDEs · Mathematics 2015-01-09 Mikael Signahl

The concern of this paper is the Cauchy problem for the Prandtl equation. This problem is known to be well-posed for analytic data, or for data with monotonicity properties. We prove here that it is linearly ill-posed in Sobolev type…

Analysis of PDEs · Mathematics 2015-05-13 David Gerard-Varet , Emmanuel Dormy

For $\mathbb{R}^2$, the stability of smooth solutions of 2D anisotropic Boussinesq equations with horizontal dissipation is an open problem. In this work, we present a partial answer to this problem in a rougher function space…

Analysis of PDEs · Mathematics 2024-01-29 Hong Sung Jin , Minkyu Kwak , Bataa Lkhagvasuren

In this paper, we consider the viscous, incompressible, nonlinear Boussinesq system in two and three spatial dimension. We study the existence and regularity of solutions to the Boussinesq system with nonhomogeneous boundary conditions for…

Analysis of PDEs · Mathematics 2023-06-21 Arnab Roy

This paper concerns the local well-posedness for the "good" Boussinesq equation subject to quasi-periodic initial conditions. By constructing a delicately and subtly iterative process together with an explicit combinatorial analysis, we…

Analysis of PDEs · Mathematics 2020-07-13 Yixian Gao , Yong Li , Chang Su

We regard the Cauchy problem for a particular Whitham-Boussinesq system modelling surface waves of an inviscid incompressible fluid layer. The system can be seen as a weak nonlocal dispersive perturbation of the shallow water system. The…

Analysis of PDEs · Mathematics 2020-06-24 Evgueni Dinvay

In this paper, we consider a modified Levenberg--Marquardt method for solving an ill-posed inverse problem where the forward mapping is not G\^ateaux differentiable. By relaxing the standard assumptions for the classical smooth setting, we…

Numerical Analysis · Mathematics 2019-09-10 Christian Clason , Vu Huu Nhu

We consider the initial value problem (IVP) associated to a Boussinesq type system. After rewriting the system in an equivalent form of coupled KdV-type equations, we prove that this is locally well-posed in $(H^s(\R^2))^4$, $s>3/2$, using…

Analysis of PDEs · Mathematics 2012-06-19 Felipe Linares , Mahendra Panthee , Jorge Drumond Silva

We present a comprehensive introduction and overview of a recently derived model equation for waves of large amplitude in the context of shallow water waves and provide a literature review of all the available studies on this equation.…

Analysis of PDEs · Mathematics 2020-11-04 Nilay Duruk Mutlubas , Anna Geyer , Ronald Quirchmayr