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math.AG2018
The Chow ring of a cubic hypersurface
Humberto A. Diaz
We study the product structure on the Chow ring (with rational coefficients) of a cubic hypersurface in projective space and prove that the image of the product map is as small as…
math.AG2018
Rost nilpotence and higher unramified cohomology
Humberto A. Diaz
We develop an approach to proving the Rost nilpotence principle involving higher unramified cohomology. We use this to prove the principle for certain varieties of dimension $\leq…