New posts in Algebraic Geometry

Doubling Point Formula of Elliptic Curve is Not Working

Why is every smooth quartic in $\Bbb{P}^3$ a K3 surface?

Coarse moduli space of relative Picard functor for affine line

Part of proof of Yoneda's Lemma from Vakil

Smoothness of total spaces with nice singular fibers

What is an algebraic variety?

What is a simple definition of the pullback of a section?

Change of Variables -- is it always an isomorphism?

$A$ reduced implies $A\otimes_k K$ reduced, for $k$ perfect.

How to prove that automorphisms of $\mathbb P^n$ arise from linear maps in $\mathbb A^{n+1}$?