New posts in Sheaf Theory

Why isn't every $\mathcal O_X$-module quasi-coherent?

Definition of a morphism of locally ringed spaces

Grothendieck's yoga of six operations - in relatively basic terms?

Universal property of sheafification

Pullback commutes with dual for locally free sheaf of finite rank

When is the pushforward of a quasi-coherent sheaf quasi-coherent? Hartshorne proof

Sheafs of abelian groups are the same as $\underline{\mathbb{Z}}$-modules

Action on sheaf cohomology in Bott-Borel-Weil theorem

What is the inverse image of a sheaf

When is the global section functor exact?