New posts in algebraic-geometry

Why is the rank of the Picard group of a K3 surface bounded above by 22?

An exercise with Zariski topology

How are $\operatorname{Spec} \mathbb{Q}, \operatorname{Spec}\mathbb{R}, \operatorname{Spec}\mathbb{C}$ etc different?

Tensor product of integral domains over algebraically closed field (Ex. 9.5.O Vakil's FOAG)

Exercise 1.9 in Hartshorne - is my initial attempt a good start?

$R$ Gorenstein implies $\operatorname{Proj}(R)$ Gorenstein

Characterisation of Gorenstein Curve

Do schemes help us understand elliptic curves?

Proper mapping theorem

Is every rigid field perfect?

Find the latus rectum of the Parabola

What is the definition of surjective morphism of schemes?

Why are there no non-trivial regular maps $\mathbb{P}^n \to \mathbb{P}^m$ when $n > m$?

Spectrum of $\mathbb{Z}^\mathbb{N}$

Question on sheafification of a presheaf

Trouble with Vakil's FOAG exercise 11.3.C

Generic zeros of a polynomial according to Lang's IGA

Which functor does the projective space represent?

If a ring is Noetherian, then every subring is finitely generated?

Zariski Topology question