New posts in Algebraic Geometry

Generic question about commutative algebra

What does Hartshorne mean by an (open) affine subset?

Sheafification of a subpresheaf

Elliptic Curve Point Doubling

Ring theory conventions - Zero ring, local homomorphisms

Computing the genus of $y^2=x(x^2-1)$ using 1-forms

Closedness in scheme theory

How to show $k[x]$ is not isomorphic to $k[x,y]/(xy+x^3+y^3)$?

Are algebraic varieties strictly more general than (differentiable) manifolds?

Showing the support of a sheaf may not be closed (Liu 2.5)