Timeline for The projective functor $\mathbb{P}^n: \operatorname{CRing} \to \operatorname{Set}$ is not representable: categorical argument
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Feb 3, 2020 at 18:51 | vote | accept | sagirot | ||
| Aug 11, 2019 at 11:38 | comment | added | Angelo | The reason why Grothendieck works with quotients is that this gives a representable functor for any module, not just finitely generated projective modules. | |
| Aug 9, 2019 at 3:34 | history | edited | David E Speyer | CC BY-SA 4.0 |
added 780 characters in body
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| Aug 8, 2019 at 13:45 | history | edited | David E Speyer | CC BY-SA 4.0 |
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| Aug 8, 2019 at 13:38 | history | answered | David E Speyer | CC BY-SA 4.0 |