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Timeline for Self intersection and deformations

Current License: CC BY-SA 3.0

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Oct 28, 2015 at 17:34 vote accept IMeasy
Oct 28, 2015 at 11:34 history edited Francesco Polizzi CC BY-SA 3.0
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Oct 28, 2015 at 11:30 answer added Francesco Polizzi timeline score: 8
Oct 28, 2015 at 11:21 comment added Francesco Polizzi One must be careful, since $C'$ could disappear in deformations, for instance because its class might not remain of type $(1, \, 1)$ in $H^2(S'', \, \mathbb{C})$. For example, if you deform a $K3$ surface containing a $(-2)$ curve to a general one, the $(-2)$ curves disappears.
Oct 28, 2015 at 11:16 history asked IMeasy CC BY-SA 3.0