Log Bloch conjecture for smooth algebraic surfaces

Let UU be a smooth algebraic surface, let pg(U)p_g(U) denote its geometric genus, and let T(U)T(U) be the Albanese kernel, namely the kernel of the Albanese morphism a:h0(U)0Alb(U)a:h_0(U)^0\to \operatorname{Alb}(U). Log Bloch conjecture. If

pg(U)=0,p_g(U)=0,

then

T(U)=0.T(U)=0.

When UU is projective, this is the classical Bloch conjecture; the paper proves the assertion for open smooth complex surfaces when the Bloch conjecture holds for a compactification, including all Q\mathbb{Q}-homology planes and open smooth surfaces that are not of log general type.

Sources & referencesView supporting material

Primary source

Qizheng Yin and Yi Zhu, “A^1-equivalence of zero cycles on surfaces II”, arXiv:1512.09079 (2015).

Additional references

2 papers in this index state this conjecture (2015). The statement above is taken from the most recent of them; the others are arXiv:1510.01712.

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