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We consider backward problems for semilinear coupled parabolic systems in bounded domains. We prove conditional stability estimates for linear and semilinear systems of strongly coupled parabolic equations involving general semilinearities.…

偏微分方程分析 · 数学 2024-05-07 S. E. Chorfi , M. Yamamoto

This paper investigates a well-posedness property of parametric constraint systems named here Robinson stability. Based on advanced tools of variational analysis and generalized differentiation, we derive first-order and second-order…

最优化与控制 · 数学 2016-12-02 Helmut Gfrerer , Boris Mordukhovich

We consider an inverse problem of reconstructing two spatially varying coefficients in an acoustic equation of hyperbolic type using interior data of solutions with suitable choices of initial condition. Using a Carleman estimate, we prove…

偏微分方程分析 · 数学 2018-01-17 L. Beilina , M. Cristofol , S. Li , M. Yamamoto

In this paper, a linear hyperbolic system of balance laws with boundary disturbances in one dimension is considered. An explicit candidate Input-to-State Stability (ISS)-Lyapunov function in $ L^2- $norm is considered and discretised to…

最优化与控制 · 数学 2020-06-05 Gediyon Yemane Weldegiyorgis , Mapundi Kondwani Banda

We rigorously show that a local spin system giving rise to a slow Hamiltonian dynamics is stable against generic, even time-dependent, local perturbations. The sum of these perturbations can cover a significant amount of the system's size.…

量子物理 · 物理学 2024-11-12 Daniele Toniolo , Sougato Bose

Hybrid systems with memory are dynamical systems exhibiting both hybrid and delay phenomena. In this note, we study the asymptotic stability of hybrid systems with memory using generalized concepts of solutions. These generalized solutions,…

动力系统 · 数学 2015-07-22 Jun Liu , Andrew R. Teel

We study steady solutions to the relativistic Boltzmann equation with hard-sphere interactions in a slab geometry. Under a spatial symmetry assumption in the transverse variables $x_2$ and $x_3$, the problem reduces to a one-dimensional…

偏微分方程分析 · 数学 2026-03-17 Jin Woo Jang , Seok-Bae Yun

We study weakly stable hyperbolic boundary problems with highly oscillatory coefficients that are large, $O(1)$, compared to the small wavelength $\eps$ of oscillations. Such problems arise, for example, in the study of classical questions…

偏微分方程分析 · 数学 2019-06-11 Mark Williams

Cannone \cite{Cannone} proved the global well-posedness of the incompressible Navier-Stokes equations for a class of highly oscillating data. In this paper, we prove the global well-posedness for the compressible Navier-Stokes equations in…

偏微分方程分析 · 数学 2010-07-06 Qionglei Chen , Changxing Miao , Zhifei Zhang

We introduce a system of equations that models a non-isothermal magnetoviscoelastic fluid. We show that the model is thermodynamically consistent, and that the critical points of the entropy functional with prescribed energy correspond…

偏微分方程分析 · 数学 2023-05-24 Hengrong Du , Yuanzhen Shao , Gieri Simonett

We prove some $C^\infty$ and Gevrey well-posedness results for hyperbolic equations with singular coefficients.

偏微分方程分析 · 数学 2007-05-23 Martino Prizzi , Daniele Del Santo

Well-posedness and uniform-in-time boundedness of classical solutions are investigated for a three-component parabolic system which describes the dynamics of a population of cells interacting with a chemoattractant and a nutrient. The…

偏微分方程分析 · 数学 2021-06-07 Jie Jiang , Philippe Laurençot , Yanyan Zhang

In this paper, we establish the well-posedness of Cauchy problems for weak solutions to second-order degenerate parabolic equations with a non-smooth, time-dependent degenerate elliptic part that includes both bounded and unbounded…

偏微分方程分析 · 数学 2025-12-04 Khalid Baadi

Consider stochastic partial differential equations (SPDEs) with fully local monotone coefficients in a Gelfand triple $V\subseteq H \subseteq V^*$: \begin{align*} \left\{ \begin{aligned} dX(t) & = A(t,X(t))dt + B(t,X(t))dW(t), \quad t\in…

概率论 · 数学 2025-08-07 Michael Röckner , Shijie Shang , Tusheng Zhang

We study stability criteria for discrete-time switched systems and provide a meta-theorem that characterizes all Lyapunov theorems of a certain canonical type. For this purpose, we investigate the structure of sets of LMIs that provide a…

最优化与控制 · 数学 2018-01-24 Raphael M. Jungers , Amirali Ahmadi , Pablo Parrilo , Mardavij Roozbehani

We are concerned with the nonlinear stability of vortex sheets for the relativistic Euler equations in three-dimensional Minkowski spacetime. This is a nonlinear hyperbolic problem with a characteristic free boundary. In this paper, we…

偏微分方程分析 · 数学 2020-09-24 Gui-Qiang Chen , Paolo Secchi , Tao Wang

This paper investigates the large-time behavior of a buoyancy-driven fluid without thermal diffusion under Navier-slip boundary conditions in a bounded domain with Lipschitz-continuous second derivatives. After establishing improved…

偏微分方程分析 · 数学 2025-02-14 Fabian Bleitner , Elizabeth Carlson , Camilla Nobili

We prove a topological stability result for the actions of hyperbolic groups on their Bowditch boundaries. More precisely, we show that a sufficiently small perturbation of the standard boundary action, if assumed on each parabolic subgroup…

群论 · 数学 2025-09-16 Kathryn Mann , Jason Fox Manning , Theodore Weisman

This paper establishes the global well-posedness of the linearized regularized 13-moment (R13) equations for rarefied gas flows. We first derive an entropy inequality for the system on bounded domains subject to Onsager boundary conditions.…

偏微分方程分析 · 数学 2026-05-20 Shuang Hu , Bo Lin , Huini Liu , Zhenning Cai

Convergence to stationary solutions in fully nonlinear parabolic systems with general nonlinear boundary conditions is shown in situations where the set of stationary solutions creates a $C^2$-manifold of finite dimension which is normally…

偏微分方程分析 · 数学 2014-09-10 Helmut Abels , Nasrin Arab , Harald Garcke