Prof. **André Nies, **from University of Auckland, is visiting our department and he will give a seminar on Wednesday, 20th July 2016 at 15:00 in the Aula Riunioni of the DipMat.

Title: Density and randomness.

Abstract: We give an overview of recent connections between the Lebesgue density theorem, randomness, and the complexity of subsets of Cantor space.