Moon in a puddle and the four-vertex theorem
Differential Geometry
2022-05-12 v1
Abstract
We present a proof of the Moon in a puddle theorem, and use its key lemma to prove a generalization of the four-vertex theorem.
Cite
@article{arxiv.2107.08455,
title = {Moon in a puddle and the four-vertex theorem},
author = {Anton Petrunin and Sergio Zamora Barrera},
journal= {arXiv preprint arXiv:2107.08455},
year = {2022}
}
Comments
5 pges, 6 figure. arXiv admin note: text overlap with arXiv:2012.11814