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Results tagged with line-bundles
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user 38823
A continuously varying family of one-dimensional vector spaces over a topological space. A related tag is the vector-bundles tag.
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Ample divisor of degree two on a blow-up of $\mathbb P^2$ at nine points
Let $\pi:S \rightarrow \mathbb P^2$ be a blow-up at nine points in general position.
I am finding an ample divisor $L$ on $S$ of degree two ($L^2=2$).
Since $Pic(S) = \mathbb Z h \oplus \mathbb Z e_1 …
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