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Jun 18, 2011 at 22:15 vote accept cduston
May 31, 2011 at 15:48 vote accept cduston
Jun 18, 2011 at 22:15
May 26, 2011 at 19:03 comment added Andy Putman I suspect that's true; I meant canonical in the sense of "any two smoothings are diffeomorphic". However, I don't know a proof that you can't smooth PL surfaces in a functorial way -- do you know one?
May 26, 2011 at 18:42 comment added Tom Goodwillie I don't believe that every PL surface can be given a canonical smooth structure, not in the strong sense in which I understand canonical (functorial w.r.t. PL homeomorphisms). A triangulation can be made to determine a smooth structure, but that's not quite the same.
May 26, 2011 at 18:01 history answered Andy Putman CC BY-SA 3.0