## Sheaf Theory

### Prof. Ugo Bruzzo

1. Sheaves

Presheaves and sheaves. Etale' space. Natural operations on
sheaves. Cech cohomology. Flabby sheaves and sheaf cohomology.
Leray's theorem.

2. Spectral sequences

Filtered complexes and associated spectral sequences. The spectral
sequence associated with a double complex. Applications to algebraic
topology and sheaf cohomology