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arXiv 1807.01286math.AP
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具有Kirchoff结条件的Hamilton-Jacobi方程的收敛性和速度

Convergence and Rates for Hamilton-Jacobi Equations with Kirchoff Junction Conditions

Peter Morfe

摘要:

本文研究了具有Kirchoff结条件的含时和非含时Hamilton-Jacobi方程的两种近似格式的收敛速度。我们分析了消失粘性极限和单调差分格式。根据Lions和Souganwei最近的工作,我们对Hamilton不作凸性假设。对于定常Hamilton-Jacobi方程,我们得到了经典的$ε^{\frac{1}{2}}$速率,而对于柯西问题的近似,我们得到了一个$ε^{\frac{1}{7}}$速率.此外,我们提出了一些新的技术的独立利益,包括量化的比较证明柯西问题和基尔霍夫交界条件的等价定义。

英文摘要:

We investigate rates of convergence for two approximation schemes of time-independent and time-dependent Hamilton-Jacobi equ-ations with Kirchoff junction conditions. We analyze the vanishing viscosity limit and monotone finite-difference schemes. Following recent work of Lions and Souganidis, we impose no convexity assumptions on the Hamiltonians. For stationary Hamilton-Jacobi equations, we obtain the classical $ε^{\frac{1}{2}}$ rate, while we obtain an $ε^{\frac{1}{7}}$ rate for approximations of the Cauchy problem. In addition, we present a number of new techniques of independent interest, including a quantified comparison proof for the Cauchy problem and an equivalent definition of the Kirchoff junction condition.

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