Dear all, I am regret to announce that the forecasted course of prof. Kondratiev http://www.di.univr.it/?ent=seminario&id=4253&lang=en has been cancelled due to serious health conditions of the speaker. Do not hesitate to contact me if you need further info. Best, LuCa -- __ Luca Di Persio - PhD College of Mathematics Dept. of Computer Science - University of Verona strada le Grazie 15 - 37134 Verona - Italy Tel : +39 045 802 7968 <http://www.hpa8.com/>