Around rationality of cycles

Details Around rationality of cycles Around rationality of cycles

2011-11-17

arxiv.org/abs/1111.4143v2

Mathematics

Algebraic Geometry

Scientific paper

In this article we prove certain results comparing rationality of algebraic cycles over the function fi?eld of a quadric and over the base field. Those results have already been proved by Alexander Vishik in the case of characteristic 0, which allowed him to work with algebraic cobordism theory. Our proofs use the modulo 2 Steenrod operations in the Chow theory and work in any characteristic different from 2.

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