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6 votes
0 answers
630 views

On the Erratum to P. Scholze's "$p$-adic Hodge theory for rigid-analytic varieties"

I am trying to understand section (3) of the Erratum to P. Scholze's "$p$-adic Hodge theory for rigid-analytic varieties" in detail. In particular, there is the following sentence on page ...
user141099's user avatar
3 votes
1 answer
390 views

The kernel from $A_\mathrm{inf}$ to $\mathcal{O}_{\mathbb{C}_K}$

I tried to understand this paper on page 31. Let $K$ be an finite extension of $\mathbb Q_p$ and $\overline{K}$ be its algebraic closure; $\mathcal{O}_{\overline{K}}$ is the ring of integers of $\...
CO2's user avatar
  • 275
10 votes
2 answers
1k views

periodic cyclic homology and tilting in the sense of Scholze

Suppose $R$ is a perfectoid ring in mixed characteristic, and $R'$ its characteristic-$p$ tilt. Scholze's results on tilting say that the étale theories over $R$ and $R'$ are equivalent in an almost ...
Dmitry Vaintrob's user avatar