Download E-books Chow Rings, Decomposition of the Diagonal, and the Topology of Families (AM-187) (Annals of Mathematics Studies) PDF

By Claire Voisin

In this e-book, Claire Voisin offers an advent to algebraic cycles on complicated algebraic forms, to the foremost conjectures bearing on them to cohomology, or even extra accurately to Hodge buildings on cohomology. the amount is meant for either scholars and researchers, and never basically offers a survey of the geometric equipment built within the final thirty years to appreciate the recognized Bloch-Beilinson conjectures, but in addition examines contemporary paintings through Voisin. The ebook specializes in significant items: the diagonal of a variety—and the partial Bloch-Srinivas style decompositions it can have reckoning on the scale of Chow groups—as good as its small diagonal, that is the fitting item to think about on the way to comprehend the hoop constitution on Chow teams and cohomology. An exploration of a sampling of contemporary works by means of Voisin appears on the relation, conjectured quite often by way of Bloch and Beilinson, among the coniveau of basic whole intersections and their Chow teams and a truly specific estate chuffed through the Chow ring of K3 surfaces and conjecturally by means of hyper-Kähler manifolds. specifically, the booklet delves into arguments originating in Nori's paintings which have been additional constructed by way of others.

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