Formulas for Galerkin-Koornwinder (GK) approximations of delay differential equations are summarized. The functional analysis ingredients (semigroups, operators, etc.) are intentionally omitted to focus instead on the formulas required to perform GK approximations in practice.
@article{arxiv.2304.02228,
title = {Galerkin-Koornwinder approximations of delay differential equations for physicists},
author = {Mickaël D. Chekroun and Honghu Liu},
journal= {arXiv preprint arXiv:2304.02228},
year = {2023}
}