Torsion conjecture for Chern classes of flat bundles of geometric origin
Let be a smooth complex quasi-projective variety and let be a local system of geometric origin on . Let be the associated algebraic flat vector bundle. Geometric-origin torsion conjecture. All Chern classes of are torsion in the Chow ring:
This is presented as a strengthening of Esnault's conjecture on Chern classes of Gauss–Manin connections and would imply the properly rigid case assuming Simpson's geometric-origin conjecture. It remains open in general.
References
Primary source
Adrian Langer, “On algebraic Chern classes of flat vector bundles”, arXiv:2107.03127 (2021).
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