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arXiv 0811.1435math.AP
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扩散Hamilton-Jacobi方程的锐衰减估计和消失粘性

Sharp Decay Estimates and Vanishing Viscosity for Diffusive Hamilton-Jacobi Equations

Said Benachour, Matania Ben-Artzi, Philippe Laurençot

摘要:

建立了粘性Hamilton-Jacobi方程解的梯度和时间导数以及相应的Hamilton-Jacobi方程的时间衰减估计。特别注意的是粘度的估计的依赖性。初始条件只能是连续的,或者是有界的,或者是非负的。对哈密尔顿算子的主要要求是它在无穷远处超线性或次线性增长,特别包括H(r)= r^p,其中r为非负,p为正,且不等于1。

英文摘要:

Sharp temporal decay estimates are established for the gradient and time derivative of solutions to a viscous Hamilton-Jacobi equation as well the associated Hamilton-Jacobi equation. Special care is given to the dependence of the estimates on the viscosity. The initial condition being only continuous and either bounded or non-negative. The main requirement on the Hamiltonians is that it grows superlinearly or sublinearly at infinity, including in particular H(r) = r^p for r non-negatif and p positif and different from 1.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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