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Results tagged with intersection-theory
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user 3377
3
votes
Accepted
Positivity question on K3 surfaces
Let me prove that $(L,D)\geq 0$.
Consider the set of all (1,1)-classes which satisfy
$\eta^2\geq 0$. It is a union of two components $P_+$ and $P_-$,
intersecting in 0. If $\eta, \eta'$ are in the …
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