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 publication, Claire Voisin presents an advent to algebraic cycles on advanced algebraic forms, to the key conjectures referring to them to cohomology, or even extra accurately to Hodge buildings on cohomology. the amount is meant for either scholars and researchers, and never simply offers a survey of the geometric equipment constructed within the final thirty years to appreciate the recognized Bloch-Beilinson conjectures, but additionally examines fresh paintings by means of Voisin. The e-book specializes in significant gadgets: the diagonal of a variety—and the partial Bloch-Srinivas style decompositions it could possibly have looking on the scale of Chow groups—as good as its small diagonal, that's the best item to contemplate as a way to comprehend the hoop constitution on Chow teams and cohomology. An exploration of a sampling of modern works by way of Voisin appears to be like on the relation, conjectured ordinarily through Bloch and Beilinson, among the coniveau of basic entire intersections and their Chow teams and a really specific estate chuffed via the Chow ring of K3 surfaces and conjecturally through hyper-Kähler manifolds. particularly, the publication delves into arguments originating in Nori's paintings which were extra built via others.

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