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Oct 15, 2016 at 18:21 vote accept CommunityBot
Oct 15, 2016 at 18:21 vote accept CommunityBot
Oct 15, 2016 at 18:21
Sep 8, 2016 at 19:25 comment added SashaP @JasonStarr Of course, you are right, thank you! I edited the post.
Sep 8, 2016 at 15:30 history edited SashaP CC BY-SA 3.0
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Sep 8, 2016 at 12:21 comment added Jason Starr For the most part this is correct, but there is a mistake. The pushforward sheaf of algebras $\pi_*\mathcal{O}_{\mathbb{C}^n\setminus 0}$ is Zariski locally isomorphic to $\mathcal{O}\otimes_{\mathbb{C}}\mathbb{C}[t,t^{-1}]$. However, the globally twisted sheaf is not $\mathcal{O}(-1)\otimes_{\mathbb{C}}\mathbb{C}[t,t^{-1}]$, but rather $\bigoplus_{d\in \mathbb{Z}} \mathcal{O}(-d)t^d$.
Sep 8, 2016 at 9:07 history answered SashaP CC BY-SA 3.0