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New posts in algebraic-geometry
Show a scheme is integral if and only if it is irreducible and reduced.
algebraic-geometry
schemes
Software for solving geometry questions
algebraic-geometry
logic
euclidean-geometry
math-software
quantifier-elimination
To what extent is a scheme morphism determined by its topological map?
algebraic-geometry
soft-question
schemes
sheaf-theory
Hilbert polynomial Twisted cubic
algebraic-geometry
Advice: Algebra and category theory for geometry?
abstract-algebra
algebraic-geometry
reference-request
differential-geometry
category-theory
What is the geometric meaning of representability?
algebraic-geometry
category-theory
intuition
schemes
Why isn't every finite locally free morphism etale?
algebraic-geometry
schemes
Proving coefficients of a polynomial form a subvariety
algebraic-geometry
Algebraic geometry in representation theory?
abstract-algebra
algebraic-geometry
representation-theory
intuition
big-list
Positivity of a quartic form
algebraic-geometry
inequality
polynomials
real-algebraic-geometry
Example of an ample line bundle $L$ with $L^{\otimes m}$ very ample and $L^{\otimes (m+1)}$ not very ample
algebraic-geometry
Can an algebraic variety be described as a category, in the same way as a group?
algebraic-geometry
category-theory
dimension of a vector space seen as a variety
algebraic-geometry
Why do we need prime ideals in the spectrum of a ring?
algebraic-geometry
ring-theory
commutative-algebra
solution-verification
What's the difference between cohomology theories of varieties and topological spaces
algebraic-geometry
algebraic-topology
homology-cohomology
Local-Global Principle and the Cassels statement.
number-theory
algebraic-geometry
algebraic-number-theory
elliptic-curves
locally-compact-groups
The group $E(\mathbb{F}_p)$ has exactly $p+1$ elements
abstract-algebra
group-theory
algebraic-geometry
elliptic-curves
What is the dimension of this Grassmannian?
linear-algebra
matrices
algebraic-geometry
differential-geometry
lie-groups
There is a unique quadric through three disjoint lines
algebraic-geometry
analytic-geometry
Tetrahedron inequality
geometry
algebraic-geometry
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