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Results tagged with ag.algebraic-geometry
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user 12969
Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
8
votes
1
answer
447
views
Computing H^2(X, T_X(-\log D))
Let $X\subset \mathbb P^3$ be a smooth variety and $D \subset X$ be an effective, reduced, irreducible divisor. My question is the following.
If I know the defining equations of $X$ and $D$ then is t …
- 325
7
votes
0
answers
566
views
How can you spot the blow-up of $\mathbb P^3$ at a set of points not in general position?
In a previous question, it appears that a collection of points in $\mathbb P^2$ is in general position precisely when the blow-up of $\mathbb P^2$ at those points has no $(-2)$-curve. Is there a simil …
- 325
4
votes
1
answer
275
views
QQ-Gorenstein smoothing of a surface and a finite group action
Let S be a singular complex algebraic surface. Let $\psi: \chi \rightarrow \Delta$ be a QQ-Gorenstein smoothing of S (central fibre is isomorphic to S). Let G be a finite group acting on the fibres of …
- 325
3
votes
0
answers
102
views
Hilbert scheme of curves in weighted projective spaces
I am trying to learn about Hilbert scheme of curves in a weighted protective space.
In my next step I am interested in Hilbert scheme of curves in a complete intersection in a weighted protective sp …
- 325