I have put the 4th lecture of Lacanian topology on YouTube. It is accessible at http://www.youtube.com/watch?v=39muy9esXCU Cheers Jacques -- Jacques B. Siboni mailto:jacsib at Lutecium.org 8 pass. Charles Albert, F75018 Paris, France Tel: +33 142 287 678 Fax: +33 951 720 069 Tel USA: (510) 520-6711 Home Page: http://jacsib.lutecium.org/ Lutecium pages: http://www.lutecium.org http://www.lutecium.us