New posts in algebraic-geometry

Intersection of cones tangent to a common sphere

geometry algebraic-geometry projective-geometry quadratic-forms

Extending regular function on normal variety from a subvariety of codimension 2

algebraic-geometry commutative-algebra

Definition of tamely ramified

number-theory algebraic-geometry algebraic-number-theory arithmetic-geometry

Analog of Vandermonde determinant for fitting a quadratic form?

linear-algebra geometry algebraic-geometry interpolation quadratic-forms

$\mathbb A^n(k)$ and $\mathbb A^n(k)\setminus \{0\}$ are not homeomorphic

general-topology algebraic-geometry commutative-algebra

Hartshorne II prop 6.9

algebraic-geometry

Local Ring of a Subvariety (problem 1.3.13 in Hartshorne)

algebraic-geometry

Is there anything to be learned from the spectrum of a cohomology ring?

algebraic-geometry algebraic-topology homological-algebra homology-cohomology

Is there a "Coalgebra - Cogeometry" duality? Good opposite of a category of coalgebras?

algebraic-geometry soft-question category-theory coalgebras

Intuition behind definition of Stable Bundles?

algebraic-geometry complex-geometry geometric-invariant-theory

Uniformly solvable families of polynomials

abstract-algebra algebraic-geometry commutative-algebra galois-theory

Is there a more elementary proof of this special case of Riemann-Roch?

abstract-algebra algebraic-geometry elliptic-curves

Is it possible that the product of two non-affine schemes becomes affine?

algebraic-geometry

Computing the dimension of a ring [duplicate]

abstract-algebra algebraic-geometry commutative-algebra

maximal linear subspaces contained in the cone over the Clifford torus.

algebraic-geometry differential-geometry quadratic-forms

$\mathbb{C}[x,y]/(f,g)$ is an artinian ring, if $\gcd(f,g)=1$. [closed]

algebraic-geometry commutative-algebra

References: Grothendieck Groups of Spaces and Varieties

abstract-algebra algebraic-geometry k-theory

How do I formally show that the Zariski tangent space of the intersection of two closed subschemes is the intersection of the tangent spaces?

linear-algebra algebraic-geometry commutative-algebra proof-writing solution-verification

Finding basis which is non stable under finite intersection

general-topology algebraic-geometry

Confusion about Positive Curvature in Holomorphic Bundles.

differential-geometry algebraic-geometry complex-geometry vector-bundles holomorphic-bundles