New posts in algebraic-geometry

Equations for double etale covers of the hyperelliptic curve $y^2 = x^5+1$

Product of affine varieties

Is there a better way to find the polynomial equation for this curve?

Geometric meaning of intersection multiplicities?

Hartshorne's Exercise II. 2.15 (fully faithful functor)

Rational parametrization of algebraic variety

Hartshorne II Example 7.6.2:The restriction of a sheaf of modules to a fibre.

Two definitions of Zariski Topology

Is there a "logical algebraic geometry" based on provability rather than truth?

Questions on Reduced Induced Closed Subscheme

Equations of a projective toric variety

Orbit-stabilizer theorem for Lie groups?

Localizations of quotients of polynomial rings (2) and Zariski tangent space

Embeddings of a surface that are given by linear systems of divisors

Projective bundle is projective?

For a (not necessarily affine) scheme $X = \bigcup_{i=1}^n X_{f_i}$, does $(f_1, \ldots, f_n) = (1)$ in $\mathcal{O}_X(X)$?

The distinguished open sets are affine subschemes

Computing Kähler differentials on $\mathbb P^1_A$ (What did Liu intend?)

Zariski vs analytic cohomology of $\mathcal O_X^\times$

What are the irreducible components of $V(xy-z^3,xz-y^3)$ in $\mathbb{A}^3_K$?