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Results tagged with blow-ups
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user 70593
3
votes
0
answers
144
views
Which blow ups in the base of a conic bundle preserve the "standard" condition?
Assume we are given a nontrivial standard conic bundle $\pi: X\rightarrow S$, that is $X$ and $S$ are smooth projective varieties (say over $\mathbb{C}$), $\pi$ is flat and furthermore we have $Pic(X) …
- 1,025
2
votes
1
answer
221
views
What finite groups are stabilizers in Kirwan's desingularization construction?
Assume $X$ is a smooth projective curve of genus $g\geq 3$ over $\mathbb{C}$ and let $M$ be the (singular) moduli space of semistable rank two vector bundles with trivial determinant on $X$. Then ther …
- 1,025