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Oct 17, 2010 at 22:46 history edited Bruce Bartlett CC BY-SA 2.5
latex fix
Oct 17, 2010 at 22:41 history edited Bruce Bartlett CC BY-SA 2.5
added 2 characters in body
Oct 17, 2010 at 20:53 answer added Sam Nead timeline score: 3
Oct 17, 2010 at 20:32 comment added Tim Perutz Ghys's work starts from the fact that non-degenerate lattices up to scale form the complement of a trefoil knot in $S^3$. That knot is not preserved by the Hopf $S^1$-action, which instead traces out unknots. This seems inauspicious for a nice lattice interpretation of the circle-action...
Oct 17, 2010 at 20:31 comment added Sam Nead Line 3 - shouldn't $\mathbb{C}−0$ be $\mathbb{C}^2−0$?
Oct 17, 2010 at 19:19 comment added Robin Chapman No, you didn't :-)
Oct 17, 2010 at 19:19 history edited Robin Chapman CC BY-SA 2.5
minor correction
Oct 17, 2010 at 19:15 history edited Bruce Bartlett CC BY-SA 2.5
Corrected latex
Oct 17, 2010 at 13:17 comment added Torsten Ekedahl I guess you mean lattices in $\mathbb C$ not in $\mathbb C^2$.
Oct 17, 2010 at 9:57 history asked Bruce Bartlett CC BY-SA 2.5