The following publications are possibly variants of this publication:
- About Ungatherability of Oblivious and Asynchronous Robots on Anonymous RingsGabriele Di Stefano, Pietro Montanari, Alfredo Navarra. iwoca 2016: 136-147 [doi]
- Gathering six oblivious robots on anonymous symmetric ringsGianlorenzo D'Angelo, Gabriele Di Stefano, Alfredo Navarra. jda, 26:16-27, 2014. [doi]
- Optimal gathering of oblivious robots in anonymous graphs and its application on trees and ringsGabriele Di Stefano, Alfredo Navarra. dc, 30(2):75-86, 2017. [doi]
- Taking Advantage of Symmetries: Gathering of Asynchronous Oblivious Robots on a RingRalf Klasing, Adrian Kosowski, Alfredo Navarra. opodis 2008: 446-462 [doi]
- Taking advantage of symmetries: Gathering of many asynchronous oblivious robots on a ringRalf Klasing, Adrian Kosowski, Alfredo Navarra. TCS, 411(34-36):3235-3246, 2010. [doi]