The Kolmogorov N-width for linear transport: Exact representation and the influence of the data

F Arbes, C Greif, K Urban - arXiv preprint arXiv:2305.00066, 2023 - arxiv.org
The Kolmogorov $ N $-width describes the best possible error one can achieve by elements
of an $ N $-dimensional linear space. Its decay has extensively been studied in …