p-adic Geometry and Homotopy Theory - Département de ...
p-adic Geometry and Homotopy Theory - Département de ...
p-adic Geometry and Homotopy Theory - Département de ...
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• W n Ω·X/S = W nΩ·X /I,I = dg i<strong>de</strong>al generated by image of f −1 W n Ω 1 S→W n Ω 1 X(analyzed by Hesselholt for X/S smooth, S noetherian,p1 S nilpotent)Overconvergent <strong>de</strong> Rham-Witt (Davis-Langer-Zink)gives natural lattices in Berthelot’s rigid cohomologyof X/k smooth (k perfect, char. p)29