Timeline for Milnor excision for algebraic stacks
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
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| Aug 28, 2020 at 14:36 | vote | accept | Harry Gindi | ||
| Aug 28, 2020 at 14:04 | answer | added | David Rydh | timeline score: 9 | |
| Aug 28, 2020 at 13:39 | history | edited | Harry Gindi | CC BY-SA 4.0 |
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| Aug 27, 2020 at 20:44 | history | edited | Harry Gindi | CC BY-SA 4.0 |
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| Aug 27, 2020 at 20:01 | history | edited | YCor | CC BY-SA 4.0 |
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| Aug 27, 2020 at 19:57 | comment | added | Harry Gindi | The standard proof, as far as I'm aware, that schemes satisfy Milnor excision builds an explicit pushout of affine schemes and shows that it is a locally ringed space and also an affine scheme, which then by categorical generalities implies the result. These pushouts are not preserved by the Yoneda embedding into the huge fppf site, so it's a bit tricky. | |
| Aug 27, 2020 at 19:49 | history | edited | Harry Gindi | CC BY-SA 4.0 |
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| Aug 27, 2020 at 19:37 | history | asked | Harry Gindi | CC BY-SA 4.0 |