Modular Curves, Modular Surfaces, and Modular Fourfolds
نویسندگان
چکیده
We begin with some general remarks. Let X be a smooth projective variety of dimension n over a field k. For any positive integer p < n, it is of interest to understand, modulo a natural equivalence, the algebraic cycles Y = ∑ j mjYj lying on X, with each Yj closed and irreducible of codimension p, together with codimension p + 1 algebraic cycles Zj = ∑ i rijZij lying on Yj , for all j. There is a natural setting in which to study such a chain (X ⊃ Yj ⊃ Zij)ij of cycles, namely when the following hold:
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تاریخ انتشار 2006