Finite-order automorphism conjecture for surfaces with vanishing irregularity

Let SS be a surface with irregularity q=h0,1=0q=h^{0,1}=0, and let f:SSf:S\to S be an automorphism of finite order acting trivially on

H0(S,ΩS2).H^0(S,\Omega_S^2).

Finite-order automorphism conjecture. The induced map

f:CH0(S)CH0(S)f_*:\mathrm{CH}_0(S)\to\mathrm{CH}_0(S)

acts as the identity. This is presented as a special case of the generalized Bloch conjecture, motivated by the study of automorphisms of surfaces; the source does not give a resolution status, so the assertion remains open in this record.

Sources & referencesView supporting material

Primary source

Hsueh-Yung Lin, “Rational maps from punctual Hilbert schemes of K3 surfaces”, arXiv:1311.0743 (2016).

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