English

A Simple Proof of Cauchy's Surface Area Formula

Differential Geometry 2016-04-21 v1 Metric Geometry Probability

Abstract

We give a short and simple proof of Cauchy's surface area formula, which states that the average area of a projection of a convex body is equal to its surface area up to a multiplicative constant in the dimension.

Keywords

Cite

@article{arxiv.1604.05815,
  title  = {A Simple Proof of Cauchy's Surface Area Formula},
  author = {Emmanuel Tsukerman and Ellen Veomett},
  journal= {arXiv preprint arXiv:1604.05815},
  year   = {2016}
}

Comments

4 pages, 1 figure

R2 v1 2026-06-22T13:36:27.723Z