Monsky–Washnitzer cohomology

From HandWiki

In algebraic geometry, Monsky–Washnitzer cohomology is a p-adic cohomology theory defined for non-singular affine varieties over fields of positive characteristic p introduced by Paul Monsky and Gerard Washnitzer (1968), who were motivated by the work of Bernard Dwork (1960). The idea is to lift the variety to characteristic 0, and then take a suitable subalgebra of the algebraic de Rham cohomology of (Grothendieck 1966). The construction was simplified by (van der Put 1986). Its extension to more general varieties is called rigid cohomology.

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