Tannaka duality for dg categories.

Jonathan Pridham (University of Edinburgh)

Wednesday 16th October, 2013 16:00-17:00 Maths 204


Tannaka duality originally looked at reconstructing compact Lie groups or linear algebraic groups from their categories of representations, and characterised such categories. Joyal and Street generalised this to recover a coalgebra from its finite-dimensional comodules. I will show how to extend this to dg coalgebras and dg categories, via derived Morita theory.

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