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Journal of Differential Geometry 60 (2002), 345-354.

Cohomology theory in birational geometry

Chin-Lung Wang

Abstract:

This is a continuation of [Wang1], where it was shown that $K$-equivalent complex projective manifolds have the same Betti numbers by using the theory of $p$-adic integrals and Deligne's solution to the Weil conjecture. The aim of this note is to show that with a little more book-keeping work, namely by applying Faltings' $p$-adic Hodge Theory, our $p$-adic method also leads to the equivalence of Hodge numbers --- a result which was previously known via motivic integration.