Prismatic cohomology and de Rham-Witt forms

Semen Molokov

For any prism $(A,d)$, we construct an analogue of Fontaine's map $W_r(A/d)\to A/d\varphi (d)\cdots {\varphi }^{r-1}(d)$. Subsequently, we define a canonical map from de Rham-Witt forms to prisma…