Abstract
A recent paper by Castagnino, Giacomini and Lara concludes that there is no chaos in a conformally coupled closed Friedmann-Robertson-Walker universe, which is in apparent contradiction with previous works. We point out that although nonchaotic the quoted system is nonintegrable.
- Received 12 November 2001
DOI:https://doi.org/10.1103/PhysRevD.65.068502
©2002 American Physical Society
