论文标题

非线性年轻微分方程:评论

Nonlinear Young differential equations: a review

论文作者

Galeati, Lucio

论文摘要

非线性年轻积分首先是在[Catellier,Gubinelli,Spa 2016]中引入的,并提供了经典的年轻人的自然概括,但也提供了通过噪声现象对正则化的途径研究中的多功能工具。我们在这里介绍了对该理论的独立描述,重点是抽象非线性年轻微分方程的良好性结果,以及一些新的扩展。还治疗了数值方案和非线性年轻PDE的收敛性。除非明确说明,否则大多数结果都是针对一般(可能是无限维度)的Banach空间的(可能是无限的)Banach空间,并且不使用紧凑性假设。

Nonlinear Young integrals have been first introduced in [Catellier,Gubinelli, SPA 2016] and provide a natural generalisation of classical Young ones, but also a versatile tool in the pathwise study of regularisation by noise phenomena. We present here a self-contained account of the theory, focusing on wellposedness results for abstract nonlinear Young differential equations, together with some new extensions; convergence of numerical schemes and nonlinear Young PDEs are also treated. Most results are presented for general (possibly infinite dimensional) Banach spaces and without using compactness assumptions, unless explicitly stated.

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