Posted by Neil on Sunday, November 1, 2009 at 8:23pm.
What is the geometrical meaning of the central extension of the algebra
of diffeomorphisms of the circle?

math  Frank, Tuesday, January 3, 2012 at 12:56pm
Pi
Posted by Neil on Sunday, November 1, 2009 at 8:23pm.
What is the geometrical meaning of the central extension of the algebra
of diffeomorphisms of the circle?
Pi