A Low Bound for Broadcast in Optical Networks of Bounded Treewidth Using Fewest Converters.

Tong Yi Guoli Ding Bogdan Oporowski A Low Bound for Broadcast in Optical Networks of Bounded Treewidth Using Fewest Converters. 142-149 2007 IPCCC http://dx.doi.org/10.1109/PCCC.2007.358889 conf/ipccc/2007 db/conf/ipccc/ipccc2007.html#YiDO07