3:38 PM
new-tag A new tag frobenius was created. Generally, tag named just after a mathematician does not seem like a very good tag name.
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I am still studying Deligne and Illusie's paper (https://eudml.org/doc/143480), and I am again stuck, this time on pages 262/263. Assume $Y\longrightarrow S$ is a smooth morphism of $\mathbb{F}_{p}$-schemes, then $\operatorname{Lif}(Y,\tilde{S})$ is the gerbe of liftings to $\tilde{S}=S(\mathbb{Z...
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