Lifting the Cartier transform of Ogus-Vologodsky modulo $p^n$

Daxin Xu

Let $W$ be the ring of the Witt vectors of a perfect field of characteristic $p$, $\mathfrak{X}$ a smooth formal scheme over $W$, ${\mathfrak{X}}^{\prime }$ the base change of $\mathfrak{X}$…