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Timeline for Examples of categorification

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Oct 26, 2010 at 13:45 comment added Todd Trimble This is just about the first example given in the paper "Categorification" by Baez and Dolan, so I'd say it fits in quite well with the modern spirit. An excellent example of structural thinking.
Oct 26, 2010 at 3:36 comment added Ian Agol Maybe one should consider the categorification of Euler characteristic to homology groups. This is generalized in the theories of Floer homologies of 3-manifolds and Khovanov homology, whose Euler characteristics give the Alexander polynomial and Jones polynomial, respectively.
Oct 26, 2010 at 1:32 history answered Beren Sanders CC BY-SA 2.5