Timeline for Representability of morphism of stacks
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Mar 30, 2015 at 1:40 | comment | added | user74230 | Using pullback to an algebraic space over $Y$, your question is whether a DM stack $X$ (or more generally Artin stack) separated and finite type over an algebraic space $Y$ is itself an algebraic space when its geometric points have trivial Aut-schemes. This is true without char-0 hypotheses (so no need for Cartier!). See Theorem 2.2.5 in journals.cambridge.org/action/… (where Artin stacks are assumed to have diagonal separated and finite type); is this in the Stacks Project (maybe with weaker diagonal hypotheses)? | |
| Mar 29, 2015 at 14:04 | answer | added | Niels | timeline score: 4 | |
| Mar 29, 2015 at 12:17 | review | First posts | |||
| Mar 29, 2015 at 12:19 | |||||
| Mar 29, 2015 at 12:14 | history | asked | user234 | CC BY-SA 3.0 |