Lasry-Lions, Lax-Oleinik and generalized characteristics

Lasry-Lions, Lax-Oleinik and generalized characteristics
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Lasry-Lions、Lax-Oleinik 和广义特征

DOI:
10.1007/s11425-016-5143-4
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发表时间:
2015-09
影响因子:
1.4
通讯作者:
Cheng Wei
Cheng Wei
中科院分区:
数学1区
文献类型:
--
作者:
Chen Cui;Cheng Wei

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在最近的工作中,即使在全局情况下,也通过与相关哈密尔顿-雅可比方程的基本解的核的超卷积过程,获得了沿广义特征传播奇点的内在方法。在本文中,我们探讨了 Lasry-Lions 正则化、Lax-Oleinik 算子(或 inf/sup 卷积)和广义特征之间的关系,这些关系在 Tonelli Hamiltonian 动力学的变分设置的背景下进行了讨论,例如 Mather 理论和弱 KAM(Kolmogorov-Arnold-Moser)理论。
In the recent works, an intrinsic approach of the propagation of singularities along the generalized characteristics was obtained, even in global case, by a procedure of sup-convolution with the kernel the fundamental solutions of the associated Hamilton-Jacobi equations. In the present paper, we exploit the relations among Lasry-Lions regularization, Lax-Oleinik operators (or inf/sup-convolution) and generalized characteristics, which are discussed in the context of the variational setting of Tonelli Hamiltonian dynamics, such as Mather theory and weak KAM (Kolmogorov-Arnold-Moser) theory.
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