Decomposition of Perverse Sheaves on Plane Line Arrangements

Rikard Bøgvad, Iara Gonçalves

On the complement $X={\mathbb{C}}^2-{\bigcup }_{i=1}^n{L}_i$ to a central plane line arrangement ${\bigcup }_{i=1}^n{L}_i\subset {\mathbb{C}}^2$, a locally constant sheaf of complex vect…