The generalized Bloch conjecture for zero-cycles

Let XX and YY be smooth projective varieties of dimension nn, and let ZCHn(X×Y)QZ\in CH^n(X\times Y)_{\mathbb Q} be a correspondence. Let FF^\bullet be the Bloch–Beilinson filtration and GrFGr_F^\bullet its graded pieces. Generalized Bloch conjecture for zero-cycles. If, for some ini\leq n, the map [Z]:Hi,0(Y)Hi,0(X)[Z]^*:H^{i,0}(Y)\to H^{i,0}(X) vanishes, then the induced pushforward Z:GrFiCH0(X)QGrFiCHmk(Y)QZ_*:Gr_F^iCH_0(X)_{\mathbb Q}\to Gr_F^iCH_{m-k}(Y)_{\mathbb Q} also vanishes for that ii. This formulation links holomorphic forms to the Bloch–Beilinson filtration; the source gives no resolution.

Sources & referencesView supporting material

Primary source

Chenyu Bai, “Hodge theory, algebraic cycles of hyper-Kähler manifolds”, arXiv:2407.19488 (2024).

Additional references

3 papers in this index state this conjecture (2008–2024). The statement above is taken from the most recent of them; the others are arXiv:2404.10138, arXiv:0809.5070.

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