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replaced http://mathoverflow.net/ with https://mathoverflow.net/

edited Apr 13, 2017 at 12:58

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What precisely Is "Categorification"?

(And what's it good for.)

Related MO questions (with some very nice answers): examples-of-categorification; can-we-categorify-the-equation $(1-t)(1+t+t^2+\dots)=1$?; categorification-request.

categorification ct.category-theory big-picture

asked Nov 10, 2009 at 11:22

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