Folding of quadrilaterals, zigzags, and Arnold-Liouville integrability
Published: Jul 23, 2025
Last Updated: Jul 23, 2025
Authors:Anton Izosimov
Abstract
We put Darboux's porism on folding of quadrilaterals, as well as closely related Bottema's zigzag porism, in the context of Arnold-Liouville integrability.