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arXiv 2003-06-02 1 views

The Hodge theory of algebraic maps

de Cataldo, Mark Andrea A. · Migliorini, Luca

Original · EN

We give a geometric proof of the Decomposition Theorem of Beilinson, Bernstein, Deligne and Gabber for the direct image of the intersection cohomology complex under a proper map of complex algebraic varieties. The method rests on new Hodge-theoretic results on the cohomology of projective varieties which extend naturally the classical theory and provide new applications.

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