Monday    :
	 9:30 M 655, 
	10:30 office hour
	11:30 M 568, 
    Tuesday   :
	 9:30 M 655, 
	 4:30 topology seminar, 
    Wednesday :
	 9:30 M 655, 
	10:30 office hour
	11:30 M 568, 
	 4:30 GGT, 
    Thursday  :
	 9:30 M 655, 
    Friday    :
	 9:30 M 655, 
	10:30 office hour
	11:30 M 568,