Voisin–Pura Bloch–Beilinson filtration conjecture modulo algebraic equivalence

Let YY be a smooth projective variety and let FF be a Bloch–Beilinson filtration with rational coefficients on its Chow groups. Assume that FF also induces a filtration on Chow groups modulo algebraic equivalence. Voisin–Pura's conjecture. For every kk, the kk-th Chow group modulo algebraic equivalence has trivial kk-th filtration step:

FkCHk(Y)/alg=0.F^k\operatorname{CH}^k(Y)/\operatorname{alg}=0.

The conjecture generalizes Nori's conjecture on CH2\operatorname{CH}^2. It strengthens the expected property Fk+1CHk(Y)Q=0F^{k+1}\operatorname{CH}^k(Y)_\mathbb{Q}=0 and is presented as an open conjecture whose consequences include restrictions on infinitesimal invariants.

Sources & referencesView supporting material

Primary source

Claire Voisin, “Infinitesimal invariants for cycles modulo algebraic equivalence and 1-cycles on Jacobians”, arXiv:1304.4095 (2013).

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