Timeline for Extending locally free sheaves and compatibility with fibers
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 10, 2016 at 14:31 | vote | accept | user45397 | ||
| Oct 10, 2016 at 9:30 | answer | added | Jason Starr | timeline score: 1 | |
| Oct 9, 2016 at 17:02 | comment | added | user45397 | @JasonStarr Thank you, this answers my question. | |
| Oct 9, 2016 at 16:32 | comment | added | Jason Starr | In fact, the natural homomorphisms $\mathcal{O}_{X_o}\to (j')_*\mathcal{O}_{U_0}$ and $\mathcal{O}_{X\times B} \to j_*\mathcal{O}_U$ are both isomorphisms. This is the type of result discussed in EGA IV, Section 5.9 and 5.10. If Grothendieck does not convince you, you can also consult Proposition 3.5 of Hassett-Kov'acs, "Reflexive Pull-Backs and Base Extension". | |
| Oct 9, 2016 at 13:26 | history | edited | user45397 | CC BY-SA 3.0 |
added 21 characters in body
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| Oct 9, 2016 at 13:07 | history | asked | user45397 | CC BY-SA 3.0 |