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Jan 6, 2010 at 23:10 comment added Theo Johnson-Freyd (also, apparently, backslash-bracket makes things display-style, rather than escaping the bracket. There really really needs to be a preview for comments.)
Jan 6, 2010 at 23:00 comment added Ilya Nikokoshev You have decompose all knots into primes before saying anything interesting, otherwise too many things to correct for :)
Jan 6, 2010 at 22:58 history edited Ilya Nikokoshev CC BY-SA 2.5
update
Jan 6, 2010 at 22:58 comment added Theo Johnson-Freyd Well, so I think that the coproduct on $V$ agrees with the connect sum of knots, so [unknot] + 2[trefoil] is just [granny knot], although I agree that -[trefoil] is a new point. Or am I wrong?
Jan 6, 2010 at 20:56 history edited Ilya Nikokoshev CC BY-SA 2.5
fixes
Jan 6, 2010 at 20:47 history answered Ilya Nikokoshev CC BY-SA 2.5