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How to categorify the ring of integers localized at two

Presented by: 
Mikhail Khovanov Columbia University
Tuesday 27th June 2017 - 10:00 to 11:00
INI Seminar Room 1
We construct a triangulated monoidal idempotent complete category with the
Grothendieck ring naturally isomorphic to the ring of integers with two inverted.
This is a joint work with Yin Tian.
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons