New posts in algebraic-geometry

How to construct the "best" resolution for a multi projective space?

algebraic-geometry quotient-spaces birational-geometry

Proof that an affine scheme is quasi compact [duplicate]

abstract-algebra algebraic-geometry

The Heegner Polynomials

algebraic-geometry polynomials roots recreational-mathematics

Non-surjective but injective real polynomial functions $\mathbb{R}^n\to \mathbb{R}^n$

abstract-algebra algebraic-geometry polynomials

Which number fields allow higher genus curves with everywhere good reduction

algebraic-geometry arithmetic-geometry galois-cohomology

The Chern class of a Kähler manifold

algebraic-geometry complex-geometry kahler-manifolds

Developing intuition in algebraic geometry through differential geometry?

algebraic-geometry differential-geometry reference-request intuition

Can we recover all matrix minors from some of them?

linear-algebra matrices algebraic-geometry determinant exterior-algebra

$(X,\mathcal{O}_X)$ be a locally ringed space, $f\in\mathcal{O}_X(X)$. Show that $D=\{x\in X\mid f(x)\neq0\in\kappa(x)\}\subset X$ is an open subset [duplicate]

algebraic-geometry

How "many" non-reduced spaces with smooth reduction are there?

algebraic-geometry complex-geometry several-complex-variables coherent-sheaves

Where does this elliptic curve come from?

algebraic-geometry elliptic-curves characters arithmetic-geometry k3-surfaces

Preimage of generic fiber

algebraic-geometry commutative-algebra schemes

Nonsingular projective curve model corresponding to $y^2 = x^4+1$

algebraic-geometry curves projective-space

Tensor product of two quotient modules

algebraic-geometry commutative-algebra homological-algebra tensor-products

Order of contact for a general tangent line of a cubic hypersurface

algebraic-geometry

Krull's Principal Ideal Theorem for tangent spaces

algebraic-geometry commutative-algebra tangent-spaces co-tangent-space

geometric meaning of complex cubic polynomial coefficients

algebraic-geometry polynomials complex-numbers

Example I.4.9.1 in Hartshorne (blowing-up)

algebraic-geometry

Weighted projective space and $\mathrm{Proj}$

algebraic-geometry graded-rings

An inverse limit

algebraic-geometry commutative-algebra