Seminar Algebra and Geometry: Alvaro Liendo (Talca)

Additive group actions on algebraic varieties

This is a joint work with A. Dubouloz.
In this talk we present some recent results about additive group actions on non-necessarily affine algebraic varieties that generalize the usual description of additive group actions on affine varieties via locally nilpotent derivations. In particular, we provide a characterization of additive group actions on a wide class of algebraic varieties in terms of a certain type of integrable vector fields.

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