Newbetuts
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New posts in algebraic-geometry
(geometric/intuitive) interpretation of ext
algebraic-geometry
modules
homological-algebra
Isotrivial but non-trivial family of elliptic curves
algebraic-geometry
elliptic-curves
Why tensor product of two sheaves of modules is a sheaf of modules?
abstract-algebra
algebraic-geometry
commutative-algebra
sheaf-theory
Is the hyperbola isomorphic to the circle?
abstract-algebra
algebraic-geometry
ring-theory
Characterizing all non-integrally closed subrings of $\mathbb{C}[t]$
algebraic-geometry
polynomials
commutative-algebra
Why did Hartshorne bother on schemes in his textbook when he worked only over an algebraically closed field?
algebraic-geometry
Group of an Elliptic curve.
group-theory
algebraic-geometry
elliptic-curves
Let $X \subseteq \mathbb{P}_k^n$ be a smooth projective variety over $k$ algebraically closed. What is $\text{dim}_k(\mathcal{O}_{X, x}/m_x^2)$?
algebraic-geometry
commutative-algebra
projective-geometry
The double cone is not a surface.
geometry
analysis
algebraic-geometry
differential-geometry
manifolds
Definition of "point at infinity"
algebraic-geometry
Finite implies Quasi-finite
algebraic-geometry
Questions in algebraic geometry related to finding $V_A(X)$
algebraic-geometry
Theorem 3.2, Chapter 1, of Hartshorne's Algebraic Geometry
algebraic-geometry
affine-varieties
Why is the affine line with a doubled point not a separated scheme?
algebraic-geometry
schemes
sheaf-theory
Number of points on a line in a finite projective plane
geometry
algebraic-geometry
projective-geometry
projective-space
What is a left-invariant Vector field? [closed]
geometry
algebraic-geometry
Do the pictures in Hartshorne Ex. 1.5.1 make sense?
algebraic-geometry
Do these definitions of irreducibility of algebraic sets coincide?
algebraic-geometry
Extension of regular function
algebraic-geometry
projective-geometry
How to calculate the Euler class, Euler characteristic and top Chern class of $End(E)$?
algebraic-geometry
vector-bundles
intersection-theory
characteristic-classes
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