This colloquium, convened by Georgi Parpulov, was held on Saturday 4 June 2011 at the Ioannou Centre. Speakers were Alessia A. Aletta (Rome), Daniele Bianconi (Rome), André Jacob (Rome), Elizabeth Jeffreys (Oxford), Karin Krause (Basle), Mark Lauxtermann (Oxford), John Lowden (London), Lukas A. Schachner (Oxford), Zaza Skhirtladze (Tblisi), and Nigel Wilson (Oxford).