a (complex) hyperplane arrangement?
Arnau Padrol Sureda (FU Berlin)
Before the BMS Friday Colloquium by Prof. Anders Björner
Urania Berlin, at the BMS Loft (3rd floor)
Every arrangement of real linear hyperplanes induces a decomposition of the sphere into cells. We will study the combinatorics of such a decomposition (explained by an oriented matroid) and define an analogous notion for complex hyperplane arrangements.