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Generalised Solutions for Fully Nonlinear PDE Systems and Existence-Uniqueness Theorems
| Content Provider | Semantic Scholar |
|---|---|
| Author | Katzourakis, Nikos |
| Copyright Year | 2015 |
| Abstract | We introduce a new theory of generalised solutions which applies to fully nonlinear PDE systems of any order and allows for merely measurable maps as solutions. This approach bypasses the standard problems arising by the application of Distributions to PDEs and is not based on either integration by parts or on the maximum principle. Instead, our starting point builds on the probabilistic representation of derivatives via limits of difference quotients in the Young measures over a toric compactification of the space of jets. After developing some basic theory, as a first application we consider the Dirichlet problem and we prove existence-uniqueness-partial regularity of solutions to fully nonlinear degenerate elliptic 2nd order systems and also existence of solutions to the $\infty$-Laplace system of vectorial Calculus of Variations in $L^\infty$. |
| Starting Page | 641 |
| Ending Page | 686 |
| Page Count | 46 |
| File Format | PDF HTM / HTML |
| DOI | 10.1016/j.jde.2017.02.048 |
| Alternate Webpage(s) | https://arxiv.org/pdf/1501.06164v8.pdf |
| Alternate Webpage(s) | https://doi.org/10.1016/j.jde.2017.02.048 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
