Grothendieck Topologies

Other Talks
Wednesday, November 18, 2009 - 13:00
1 hour (actually 50 minutes)
Skiles 255
Ga Tech
In the 60s, Grothendieck had the remarkable idea of introducing a new kind of topology where open coverings of X are no longer collections of subsets of X, but rather certain maps from other spaces to X.  I will give some examples to show why this is reasonable and what one can do with it.