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In this article our main concern is to prove the quantitative unique estimates for the $p$-Laplace equation, $1<p<\infty$, with a locally Lipschitz drift in the plane. To be more precise, let $u\in W^{1,p}_{loc}(\mathbb{R}^2)$ be a…

Analysis of PDEs · Mathematics 2024-10-15 Chang-Yu Guo , Manas Kar

Given a parameter dependent fixed point equation $x = F(x,u)$, we derive an abstract compactness principle for the fixed point map $u \mapsto x^*(u)$ under the assumptions that (i) the fixed point equation can be solved by the contraction…

Functional Analysis · Mathematics 2022-08-05 Gunther Dirr

We consider the well-posedness and numerical approximation of a Hamilton--Jacobi equation on an evolving hypersurface in $\mathbb R^3$. Definitions of viscosity sub- and supersolutions are extended in a natural way to evolving hypersurfaces…

Numerical Analysis · Mathematics 2018-10-09 Klaus Deckelnick , Charles M. Elliott , Tatsu-Hiko Miura , Vanessa Styles

In this paper, we introduce a framework for the discretization of a class of constrained Hamilton-Jacobi equations, a system coupling a Hamilton-Jacobi equation with a Lagrange multiplier determined by the constraint. The equation is…

Numerical Analysis · Mathematics 2024-03-20 Benoît Gaudeul , Hélène Hivert

We establish the well-posedness of viscosity solutions for a class of semi-linear Hamilton-Jacobi equations set on the space of probability measures on the torus. In particular, we focus on equations with both common and idiosyncratic…

Analysis of PDEs · Mathematics 2023-12-06 Samuel Daudin , Joe Jackson , Benjamin Seeger

We study Jacobi processes $(X_{t})_{t\ge0}$ on the compact spaces $[-1,1]^N$ and on the noncompact spaces $[1,\infty[^N$ which are motivated by the Heckman-Opdam theory for the root systems of type BC and associated integrable particle…

Probability · Mathematics 2024-08-02 Martin Auer , Michael Voit , Jeannette H. C. Woerner

The purpose of this note is to provide an optimal rate of convergence in the vanishing viscosity regime for first-order Hamilton-Jacobi equations with purely quadratic Hamiltonian. We show that for a globally Lipschitz-continuous terminal…

Analysis of PDEs · Mathematics 2025-02-14 Louis-Pierre Chaintron , Samuel Daudin

Let $(M,\omega)$ be a symplectic manifold and $U\subseteq M$ an open subset. We study the natural inclusion of the compactly supported Hamiltonian group of $U$ in the compactly supported Hamiltonian group of $M$. The main result is an upper…

Symplectic Geometry · Mathematics 2021-12-24 Michael Khanevsky , Fabian Ziltener

We study the large time behavior of solutions of first-order convex Hamilton-Jacobi Equations of Eikonal type set in the whole space. We assume that the solutions may have arbitrary growth. A complete study of the structure of solutions of…

Analysis of PDEs · Mathematics 2018-05-23 Guy Barles , Olivier Ley , Thi-Tuyen Nguyen , Thanh Phan

We focus on the global semiconcavity of solutions to first-order Hamilton--Jacobi equations with state constraints, especially for the Hamiltonian $H(x, \beta):=|\beta|^p-f(x)$ with $p \in (1, 2]$. We first show that the solution is locally…

Analysis of PDEs · Mathematics 2022-05-04 Yuxi Han

We establish the existence of smooth critical sub-solutions of the Hamilton-Jacobi equation on compact manifolds for smooth convex Hamiltonians, that is in the context of weak KAM theory, under the assumption that the Aubry set is the union…

Dynamical Systems · Mathematics 2008-07-10 Patrick Bernard

We consider $\sigma$-harmonic mappings, that is mappings $U$ whose components $u_i$ solve a divergence structure elliptic equation ${\rm div} (\sigma \nabla u_i)=0$, for $i=1,\ldots,n $. We investigate whether, with suitably prescribed…

Analysis of PDEs · Mathematics 2015-01-14 Giovanni Alessandrini , Vincenzo Nesi

We study the optimal convergence rate for homogenization problem of convex Hamilton-Jacobi equations when the Hamitonian is periodic with respect to spatial and time variables, and notably time-dependent. We prove a result similar to that…

Analysis of PDEs · Mathematics 2023-01-02 Hoang Nguyen-Tien

This article is devoted to the optimal control of state equations with memory of the form: ?[x(t) = F(x(t),u(t), \int_0^{+\infty} A(s) x(t-s) ds), t>0, with initial conditions x(0)=x, x(-s)=z(s), s>0.]Denoting by $y_{x,z,u}$ the solution of…

Optimization and Control · Mathematics 2011-11-02 Guillaume Carlier , Rabah Tahraoui

We study the regularity properties of the Hamilton-Jacobi flow equation and infimal convolution in the case where initial datum function is continuous and lies in given Sobolev-space $W^{1,p}(\rn)$. We prove that under suitable assumptions…

Analysis of PDEs · Mathematics 2012-08-21 Hannes Luiro

Here we study the nonnegative solutions of the viscous Hamilton-Jacobi problem \[ \left\{\begin{array} [c]{c}% u_{t}-\nu\Delta u+|\nabla u|^{q}=0, u(0)=u_{0}, \end{array} \right. \] in $Q_{\Omega,T}=\Omega\times\left(0,T\right) ,$ where…

Analysis of PDEs · Mathematics 2013-03-25 Marie-Françoise Bidaut-Véron , Nguyen Anh Dao

In this paper we prove a lower bound for the least number of one-periodic solutions of nondegenerate locally Hamiltonian equations on compact symplectic manifolds in terms of the Betti numbers of the Novikov homology associated to the…

Differential Geometry · Mathematics 2015-11-06 HôngVân Lê

We consider the Hamilton-Jacobi equation \[{H}(x,Du)+\lambda(x)u=c,\quad x\in M, \] where $M$ is a connected, closed and smooth Riemannian manifold. The functions ${H}(x,p)$ and $\lambda(x)$ are continuous. ${H}(x,p)$ is convex, coercive…

Analysis of PDEs · Mathematics 2023-04-27 Panrui Ni , Lin Wang

The aim of this work is to deal with a discontinuous Hamilton-Jacobi equation in the whole euclidian N-dimensional space, associated to a possibly unbounded optimal control problem. Here, the discontinuities are located on a hyperplane and…

Optimization and Control · Mathematics 2024-05-16 Emmanuel Chasseigne , Robson Carlos Reis , Silvia Sastre-Gomez

Given two measurable functions $V(r)\geq 0$ and $K(r)> 0$, $r>0$, we define the weighted spaces \[ H_V^1 = \{u \in D^{1,2}(\mathbb{R}^N): \int_{\mathbb{R}^N}V(|x|)u^{2}dx < \infty \}, \quad L_K^q = L^q(\mathbb{R}^N,K(|x|)dx) \] and study…

Functional Analysis · Mathematics 2016-12-08 Marino Badiale , Michela Guida , Sergio Rolando
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