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New posts in algebraic-geometry
Scheme over S and morphisms
algebraic-geometry
schemes
defining a dominant rational map from an algebra homomorphism (Theorem I 4.4 in Hartshorne)
algebraic-geometry
How should I think about Ihara's Lemma?
algebraic-number-theory
modular-forms
arithmetic-geometry
algebraic-geometry
(Ir)reducibility criteria for homogeneous polynomials
abstract-algebra
algebraic-geometry
commutative-algebra
polynomials
Why is a variety etale locally like affine space?
algebraic-geometry
Continuity of rational functions between affine algebraic sets
algebraic-geometry
continuity
rational-functions
When is the global section functor exact?
algebraic-geometry
sheaf-theory
schemes
Motivation of Localization
algebraic-geometry
ring-theory
commutative-algebra
Hartshorne Exercise II.6.9(a): Picard group of a singular curve
algebraic-geometry
Why can algebraic geometry be applied into theoretical physics?
algebraic-geometry
mathematical-physics
soft-question
Show that the dimention of the intersection of projective linear sub-spaces of dimentions $d_1$ and $d_2$ of $\mathbb{P}^n$ is bigger than $d_1+d_2-n$
algebraic-geometry
vector-spaces
projective-space
krull-dimension
projective-schemes
Why is the Complete Flag Variety an algebraic variety?
linear-algebra
algebraic-geometry
lie-groups
schubert-calculus
How can hypersurfaces "know" the degree of their defining polynomials?
algebraic-geometry
complex-geometry
projective-geometry
Arbitrary products of quasi-coherent sheaves?
algebraic-geometry
category-theory
homological-algebra
abelian-categories
quasicoherent-sheaves
Algebraic Geometry in String Theory?
algebraic-geometry
string-theory
Are the sheaves of $n$-forms well-defined for singular varieties?
algebraic-geometry
sheaf-theory
Action of finite group of automorphisms on Spec A
algebraic-geometry
commutative-algebra
Product of two algebraic varieties is affine... are the two varieties affine?
algebraic-geometry
products
affine-geometry
Explanation of "generic point" with examples?
algebraic-geometry
For what algebraic curves do rational points form a group?
group-theory
number-theory
algebraic-geometry
rational-numbers
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