Date
Tue, 22 May 2012
Time
15:45 - 16:45
Location
L3
Speaker
Timo Schurg
Organisation
Bonn

A perfect obstruction theory for a commutative ring is a morphism from a perfect complex to the cotangent complex of the ring

satisfying some further conditions. In this talk I will present work in progress on how to associate in a functorial manner commutative

differential graded algebras to such a perfect obstruction theory. The key property of the differential graded algebra is that its zeroth homology

is the ring equipped with the perfect obstruction theory. I will also indicate how the method introduced can be globalized to work on schemes

without encountering gluing issues.

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