Invisibility in billiards is impossible in an infinite number of directions
Dynamical Systems
2012-07-12 v2
Abstract
We consider the billiard in the exterior of a piecewise smooth body in two-dimensional Euclidean space and show that the maximum number of directions of invisibility in such billiard is at most finite.
Keywords
Cite
@article{arxiv.1206.6965,
title = {Invisibility in billiards is impossible in an infinite number of directions},
author = {Alexander Plakhov and Vera Roshchina},
journal= {arXiv preprint arXiv:1206.6965},
year = {2012}
}