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Enriched categories, topoi, abelian categories, monoidal categories, homological algebra.

41 votes

The unification of Mathematics via Topos Theory

I can't really answer the question, but I attended Olivia's talk today at CT2010 in Genova where she was presenting this paper, and I asked her some questions afterwards. Any errors or misrepresentati …
Peter Selinger's user avatar
8 votes
Accepted

180˚ vs 360˚ Twists in String Diagrams for Ribbon Categories

The completeness result, which I conjectured in "Autonomous categories in which A is isomorphic to A*" (as cited by Dave above), has been proven last month. I talked about this at QPL 2010 in May, but …
Peter Selinger's user avatar