Timeline for Frobenius and mixed characteristic valuation rings
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
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| Dec 4, 2022 at 13:44 | comment | added | Anonymous | I think you could choose an absolute integral closure $R \to R^+$, which is necessarily faithfully flat, and then compare your question for $R$ and $R^+$ to get the desired flatness since $\text{Frob}:R^+/\pi \to R^+/\pi^p$ is an isomorphism. | |
| Dec 3, 2022 at 23:00 | history | edited | LSpice | CC BY-SA 4.0 |
Name of reference
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| Dec 3, 2022 at 22:33 | history | asked | skd | CC BY-SA 4.0 |