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We analyse the Gauss-Manin system of differential equations---and its Fourier transform---attached to regular functions satisfying a tameness assupmption on a smooth affine variety over C (e.g. tame polynomials on C^{n+1}). We give a…

代数几何 · 数学 2011-01-04 Claude Sabbah

Most common Optimal Transport (OT) solvers are currently based on an approximation of underlying measures by discrete measures. However, it is sometimes relevant to work only with moments of measures instead of the measure itself, and many…

数值分析 · 数学 2022-12-05 Olga Mula , Anthony Nouy

We consider a class of linear time dependent Schr\"odinger equations and quasi-periodically forced nonlinear Hamiltonian wave/Klein Gordon and Schr\"odinger equations on arbitrary flat tori. For the linear Schr\"odinger equation, we prove a…

偏微分方程分析 · 数学 2018-12-11 Massimiliano Berti , Alberto Maspero

Two finite element approximations of the Oldroyd-B model for dilute polymeric fluids are considered, in bounded 2- and 3-dimensional domains, under no flow boundary conditions. The pressure and the symmetric conformation tensor are…

数值分析 · 数学 2018-05-29 John W. Barrett , Sebastien Boyaval

We give a proof of the soliton resolution conjecture for the Benjamin--Ono equation, namely every solution with sufficiently regular and decaying initial data can be written as a finite sum of soliton solutions with different velocities up…

偏微分方程分析 · 数学 2026-01-16 Louise Gassot , Patrick Gérard , Peter D. Miller

In this manuscript we consider a non-local porous medium equation with non-local diffusion effects given by a fractional heat operator \begin{equation*} \partial_t u = \mbox{div}(u\nabla p),\qquad \partial_t p = -(-\Delta)^s p + u^2,…

偏微分方程分析 · 数学 2018-12-19 Esther S. Daus , Maria Gualdani , Nicola Zamponi

In this paper, we study the Cauchy problem for the linear and semilinear Moore-Gibson-Thompson (MGT) equation in the dissipative case. Concerning the linear MGT model, by utilizing WKB analysis associated with Fourier analysis, we derive…

偏微分方程分析 · 数学 2021-05-17 Wenhui Chen , Ryo Ikehata

In this paper, we mainly study the large time behavior to a 2D micro-macro model for compressible polymeric fluids with small initial data. This model is a coupling of isentropic compressible Navier-Stokes equations with a nonlinear…

偏微分方程分析 · 数学 2023-03-30 Wenjie Deng , Wei Luo , Zhaoyang Yin

The purpose of this paper is to prove the existence of global in time local energy weak solutions to the Navier-Stokes equations in the half-space $\mathbb R^3_+$. Such solutions are sometimes called Lemari\'e-Rieusset solutions in the…

偏微分方程分析 · 数学 2019-02-06 Yasunori Maekawa , Hideyuki Miura , Christophe Prange

In this paper, we study the Cauchy problem for the Benjamin-Ono-Burgers equation $\partial_t u-\epsilon \partial_x^2 u+\mathcal{H}\partial_x^2u+u u_x=0$, where $\mathcal{H}$ denotes the Hilbert transform. We obtain that it is uniformly…

偏微分方程分析 · 数学 2019-03-11 Mingjuan Chen , Boling Guo , Lijia Han

In this paper, we study the nonlinear dissipative Boussinesq equation in the whole space $\mathbb{R}^n$ with $L^1$ integrable data. As our preparations, the optimal estimates as well as the optimal leading terms for the linearized model are…

偏微分方程分析 · 数学 2025-07-14 Wenhui Chen , Hiroshi Takeda

This paper establishes the global well-posedness of solutions to the Oldroyd-B model with purely horizontal viscosity and arbitrarily large initial data in two-dimensional settings, including the full space $\mathbb{R}^2$, the partially…

偏微分方程分析 · 数学 2025-03-13 Zhenrong Nong , Yinghui Wang , Huancheng Yao , Shihao Zhang

The large time behavior for Lions-Feireisl's finite energy weak solutions to the barotropic compressible Navier-Stokes equations with large potential external forces in three-dimensional (3D) bounded domains is considered. Although the…

偏微分方程分析 · 数学 2025-07-22 Lingping Kang , Yanfang Peng , Chengfeng Xiong

In this manuscript we consider an isotropic modification for the Landau equation with Coulomb potential in three space dimensions. Global in time existence of weak solutions for even initial data is shown by employing a time…

偏微分方程分析 · 数学 2017-08-08 Maria Gualdani , Nicola Zamponi

We prove sharp estimates for the decay in time of solutions to a rather general class of non-local in time subdiffusion equations on a bounded domain subject to a homogeneous Dirichlet boundary condition. Important special cases are the…

偏微分方程分析 · 数学 2013-10-02 Vicente Vergara , Rico Zacher

We investigate the existence of weak solutions to a certain system of partial differential equations, modelling the behaviour of a compressible non-Newtonian fluid for small Reynolds number. We construct the weak solutions despite the lack…

偏微分方程分析 · 数学 2023-05-24 Milan Pokorný , Maja Szlenk

We study the non relativistic and ultra relativistic limits in the two-dimensional nonlinear damped Klein-Gordon equation driven by a space-time white noise on the torus. In order to take the limits, it is crucial to clarify the parameter…

偏微分方程分析 · 数学 2022-08-16 Reika Fukuizumi , Masato Hoshino , Takahisa Inui

We consider the Sommerfeld problem of diffraction by an opaque half-plane with a real wavenumber interpreting it as the limiting case, as time tends to infinity, of the corresponding time-dependent diffraction problem. We prove that the…

数学物理 · 物理学 2019-08-06 A. Merzon , P. Zhevandrov , J. E. De la Paz Méndez , T. J. Villalba Vega

We consider the compressible (barotropic) Navier-Stokes system on time-dependent domains, supplemented with slip boundary conditions. Our approach is based on penalization of the boundary behaviour, viscosity, and the pressure in the weak…

偏微分方程分析 · 数学 2015-04-01 Eduard Feireisl , Ondřej Kreml , Šárka Nečasová , Jiří Neustupa , Jan Stebel

We prove existence of solutions for the Benjamin-Ono equation with data in $H^s(\R)$, $s>0$. Thanks to conservation laws, this yields global solutions for $H^\frac 1 2(\R)$ data, which is the natural ``finite energy'' class. Moreover,…

偏微分方程分析 · 数学 2007-05-23 N. Burq , F. Planchon