Abstract:We construct a collection of families of higher Chow cycles of type (2, 1) on a 2-dimensional family of Kummer surfaces, and prove that for a very general member, they generate a subgroup of rank ≥ 18 in the indecomposable part of the higher Chow group. Construction of the cycles uses a finite group action on the family, and the proof of their linear independence uses Picard-Fuchs differential operators.
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