881 followers
On the geometric optics side, I've been looking into the contributions by Dragt. E.g. "Foundations of a Lie algebraic theory of geometrical optics" https://t.co/Nofx01vIcL
On the geometric optics side, I've been looking into the contributions by Dragt. E.g. "Foundations of a Lie algebraic theory of geometrical optics" https://t.co/Nofx01vIcL