New posts in Schemes

When is the global section functor exact?

What is the zero subscheme of a section

On a *ringed space*, show that the non vanishing set of $f$ is open, and that it is invertible there

Definition of degree of finite morphism plus context

Does the inclusion from affine schemes into schemes preserve pushouts?

References for quasi finite and proper implies finite

Intuition on base change of schemes

Why is the affine line with a doubled point not a separated scheme?

Intuition for étale morphisms

morphism from a local ring of a scheme to the scheme