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The Hodge Filtration and Cyclic Homology
Authors:Charles Weibel
Abstract:We relate the lsquoHodge filtrationrsquo of the cohomology of a complex algebraic variety X to the lsquoHodge decompositionrsquo of its cyclic homology. If X is smooth and projective, 
$$HC_n^{(i)} (X) $$
is the quotient of the Betti cohomology 
$$H^{2i - n} (X(\mathbb{C});\mathbb{C}) $$
by the 
$$(i + 1)^{st} $$
piece of the Hodge filtration.
Keywords:Cyclic homology  Hodge theory  hypercohomology  
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