New posts in algebraic-geometry

Constructing the 11-gon by splitting an angle in five

trigonometry algebraic-geometry polynomials polygons minimal-polynomials

Every affine variety in $\mathbb A^n$ consisting of finitely many points can be written as the zero locus of $n$ polynomials

algebraic-geometry polynomials commutative-algebra

Flat morphism preserves associated points

algebraic-geometry pullback

Is a finitely generate $k$-algebra that has no nilpotent element ($k$ is a field) an integral domain?

abstract-algebra algebraic-geometry affine-geometry affine-varieties

Rational Points on the genus $2$ curve $y^2 = x^6 - 4x^2+4$.

algebraic-geometry elliptic-curves

Proof Verification: $\Omega_{X \times Y/S} \cong p_1^* \Omega_{X/S} \oplus p_2^* \Omega_{Y/S} $

algebraic-geometry commutative-algebra solution-verification

tensor product of sheaves commutes with inverse image

algebraic-geometry sheaf-theory

Why is the hard Lefschetz theorem "hard"?

algebraic-geometry math-history complex-geometry kahler-manifolds

How is Category Theory used to study differential equations?

ordinary-differential-equations algebraic-geometry reference-request category-theory synthetic-differential-geometry

Is the set of closed points of a $k$-scheme of finite type dense?

algebraic-geometry

Tensor product of domains is a domain

algebraic-geometry commutative-algebra tensor-products

Motivating (iso)morphism of varieties

algebraic-geometry intuition motivation

Does there exist a regular map $\mathbb{A}^1\to\mathbb{P}^1$ which is surjective?

algebraic-geometry projective-space

Original works of great mathematician Évariste Galois

number-theory reference-request algebraic-geometry galois-theory

How to generalize the tangent cone at X at regular point p?

algebraic-geometry

What geometrical obstructions to $M$ being flat do elements which map to 0 in $M \otimes I$ represent?

algebraic-geometry

Geometry or topology behind the "impossible staircase"

algebraic-topology soft-question algebraic-geometry projective-geometry

A Geometric Description of Injective Modules

algebraic-geometry commutative-algebra homological-algebra

if R is a commutative ring in which all the prime ideals are finitely generated then R is Noetherian [duplicate]

abstract-algebra algebraic-geometry ring-theory commutative-algebra ideals

Has SGA 4½ been typeset in TeX?

algebraic-geometry reference-request arithmetic-geometry etale-cohomology