New posts in algebraic-geometry

Details of gluing sheaves on a cover

Looking for a special class of ideals such that If every ascending chain of ideals from this class stabilizes, then $R$ is a Noetherian ring.

Can every irreducible cubic be proved irreducible using the Eisenstein criterion?

Singular points of orders of a number field

Why do we always need the Schwarz lemma when bounding the trace of a Kähler metric?

Grothendieck connections and jets

Is the composition of blowing-up a blowing-up?

Tropical Machinery

When is the pushforward / direct image of a reflexive sheaf locally free?

There is a bijection between irreducible components of the generic fiber and irreducible components passing through it.

Are vector bundles on $\mathbb{P}_{\mathbb{C}}^n$ of any rank completely classified? (main interest $n=3$)

Solutions to "Vakil - Foundations of Algebraic Geometry" exercises [closed]

Why is the topology on $\operatorname{Proj} B$ induced from that on $\operatorname{Spec}(B)?$

General surface no lines

Coordinate free proof that det is algebraic

Is there a variant of the implicit function theorem covering a branch of a curve around a singular point?

Algebraic Curves and Second Order Differential Equations

Zariski topology irreducible affine curve is same as the cofinite topology

Computing the degree of a finite morphism $\mathbb{P}^n\to \mathbb{P}^n$

Definition of the Ideal Sheaf