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Oct 16, 2016 at 17:50 comment added Allen Knutson @Enrico Consider (the closure of) one connected component of $\mathbb{RP}^1 \setminus \{0,\infty\}$. That's the manifold with boundary that $\mathbb P^1$ is supposed to be analogous, not equal, to.
Oct 12, 2016 at 18:18 answer added Allen Knutson timeline score: 3
Oct 12, 2016 at 11:48 comment added Alex Degtyarev In a sense, a complex manifold with a divisor is an analogue (or a "complexification") of a real manifold with boundary.
Oct 12, 2016 at 11:22 comment added Enrico Simplest example of a Fano: $\mathbb{P}^1$, and $-K_{\mathbb{P}^1} \cong 2p$. Not really an example of manifold with boundary.
Oct 12, 2016 at 10:19 review First posts
Oct 12, 2016 at 10:39
Oct 12, 2016 at 10:18 history asked Noah CC BY-SA 3.0