The lectures on Mon, 29/2 and Wed, 02/3 are cancelled. We meet again at the usual time (14:00) on Fri, 04/3 ** in the Computer Lab of via (androna) Baciocchi **. On every Friday from now on, this (Baciocchi) will be the location for the lessons; those on Mondays and Wednesdays remain scheduled at 17:00 in Aula 7, via Tigor.