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Related papers: Local well posedness of the Euler-Korteweg equatio…

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We prove local in time well-posedness for a class of quasilinear Hamiltonian KdV-type equations with periodic boundary conditions, more precisely we show existence, uniqueness and continuity of the solution map. We improve the previous…

Analysis of PDEs · Mathematics 2022-02-15 Felice Iandoli

In the field of differential equations, particularly fluid dynamics, many researchers have shown an interest in the behavior of time periodic solutions. In this paper, we study isentropic gas flow in a bounded interval and apply a time…

Analysis of PDEs · Mathematics 2023-03-17 Naoki Tsuge

This is the first of several planned papers that study the existence and local-in-time persistence of phase fronts in the Lorentz invariant Euler equations for gases of van der Waals type, aiming at transferring earlier results of Slemrod…

Analysis of PDEs · Mathematics 2023-08-24 Heinrich Freistuhler

In this paper we provide a complete local well-posedness theory for the free boundary relativistic Euler equations with a physical vacuum boundary on a Minkowski background. Specifically, we establish the following results: (i) local…

Analysis of PDEs · Mathematics 2022-07-08 Marcelo M. Disconzi , Mihaela Ifrim , Daniel Tataru

In this paper, we prove the local well-posedness of the free boundary problem for the incompressible Euler equations in low regularity Sobolev spaces, in which the velocity is a Lipschtiz function and the free surface belongs to…

Analysis of PDEs · Mathematics 2015-07-10 Chao Wang , Zhifei Zhang , Weiren Zhao , Yunrui Zheng

The present paper aims to establish the local well-posedness of Euler's fluid equations on geometric rough paths. In particular, we consider the Euler equations for the incompressible flow of an ideal fluid whose Lagrangian transport…

Analysis of PDEs · Mathematics 2022-07-01 Dan Crisan , Darryl D. Holm , James-Michael Leahy , Torstein Nilssen

This paper is concerned with the three dimensional compressible Euler--Poisson equations with moving physical vacuum boundary condition. This fluid system is usually used to describe the motion of a self-gravitating inviscid gaseous star.…

Analysis of PDEs · Mathematics 2014-05-20 Xumin Gu , Zhen Lei

We consider the Cauchy problem for the spatially inhomogeneous non-cutoff Boltzmann equation with polynomially decaying initial data in the velocity variable. We establish short-time existence for any initial data with this decay in a fifth…

Analysis of PDEs · Mathematics 2020-03-11 Christopher Henderson , Stanley Snelson , Andrei Tarfulea

We prove the local well-posedness for the generalized Korteweg-de Vries equation in $H^s(\mathbb{R})$, $s>1/2$, under general assumptions on the nonlinearity $f(x)$, on the background of an $L^\infty_{t,x}$-function $\Psi(t,x)$, with…

Analysis of PDEs · Mathematics 2021-05-03 José Manuel Palacios

In this work we prove that the initial-boundary value problem (IBVP) for the fifth order Korteweg-de Vries equation \begin{align*} \left. \begin{array}{rlr} u_t+\partial_x^5 u+u\partial_x u&\hspace{-2mm}=0,&\quad x\in\mathbb R^+,\;…

Analysis of PDEs · Mathematics 2024-05-15 Eddye Bustamante , José Jiménez Urrea , Jorge Mejía

We prove the existence of a local time, the continuity of the local time about $t$, and the regular property for $a.e.$ $x\in R$ of a Ornstein-Uhlenbeck type $\{X_t,\ t\in R^+\}$ driven by a general L\'{e}vy process, under mild regularity…

Probability · Mathematics 2010-09-16 Jing Zheng

In this paper we prove full local well-posedness for the Cauchy problem for the compressible 3D Euler equation, i.e. local existence, uniqueness, and continuous dependence on initial data, with initial velocity, density and vorticity…

Analysis of PDEs · Mathematics 2026-02-05 Lars Andersson , Huali Zhang

This manuscript concerns the dynamics of non-isentropic compressible Euler equations in a physical vacuum. We establish the Hadamard-style local well-posedness in low-regularity weighted Sobolev spaces, where the gas-vacuum interface is…

Analysis of PDEs · Mathematics 2025-08-04 Sicheng Liu , Tao Luo

We prove the local well-posedness for the Cauchy problem of the Korteweg-de Vries equation in a quasi periodic function space. The function space contains functions such that f=f_1+f_2+...+f_N where f_j is in the Sobolev space of order…

Analysis of PDEs · Mathematics 2012-08-21 Kotaro Tsugawa

We prove the existence of local-in-time smooth solutions of the incompressible semi-geostrophic equations expressed in Eulerian co-ordinates in 3-dimensional smooth bounded simply-connected domains. Our solutions adhere to Cullen's…

Analysis of PDEs · Mathematics 2018-07-26 Mark Wilkinson

We study the free boundary problem for the equations of compressible Euler equations with a vacuum boundary condition. Our main goal is to recover in Eulerian coordinates the earlier well-posedness result obtained by Lindblad [Lindblad H.,…

Analysis of PDEs · Mathematics 2009-02-04 Yuri Trakhinin

This paper is a continuation of the paper \emph{Low regularity Cauchy problem for the fifth-order modified KdV equations on $\mathbb{T}$}. In this paper, we consider the fifth-order equation in the Korteweg-de Vries (KdV) hierarchy as…

Analysis of PDEs · Mathematics 2016-02-12 Chulkwang Kwak

We study special regularity properties of solutions to the initial-boundary value problem associated with the Korteweg-de Vries equations posed on the positive half-line. In particular, for initial data $u_0 \in…

Analysis of PDEs · Mathematics 2025-11-11 Márcio Cavalcante , Aílton C. Nascimento

In this article we study the principle of energy conservation for the Euler-Korteweg system. We formulate an Onsager-type sufficient regularity condition for weak solutions of the Euler-Korteweg system to conserve the total energy. The…

Analysis of PDEs · Mathematics 2018-01-03 Tomasz Dębiec , Piotr Gwiazda , Agnieszka Świerczewska-Gwiazda , Athanasios Tzavaras

We consider the spatially inhomogeneous non-cutoff Boltzmann equation with hard potentials in the non-perturbative setting. For initial data with polynomial decay in the velocity variable, we establish the local-in-time existence and…

Analysis of PDEs · Mathematics 2026-02-24 Hao-Guang Li , Wei-Xi Li , Chao-Jiang Xu