@article{d82477b13f994a4a8bc4b565918f5e23,
title = "A proof of Culter's theorem on the existence of periodic orbits in polygonal outer billiards",
abstract = "We prove a recent theorem by C. Culter every polygonal outer billiard in the affine plane has a periodic trajectory.",
author = "Serge Tabachnikov",
note = "Funding Information: Acknowledgements Many thanks to C. Culter for numerous discussions, to R. Schwartz for his interest and support, and to the referee for many a useful suggestion. The author was partially supported by an NSF grant DMS-0555803. Funding Information: 1The program was supported by an NSF grant; the problem solved by Culter was proposed by the author of this note.",
year = "2007",
month = oct,
doi = "10.1007/s10711-007-9196-y",
language = "English (US)",
volume = "129",
pages = "83--87",
journal = "Geometriae Dedicata",
issn = "0046-5755",
publisher = "Springer Netherlands",
number = "1",
}