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Rademacher’s reciprocity law for Dedekind sums in function fields

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Abstract

We consider a Dedekind sum \(s(a,c)\) in function fields, defined via the Carlitz module, similar to the classical Dedekind sum \(D(a,c)\). In this paper, we prove an analog of Pommersheim’s three-term reciprocity law for \(s(a,c)\).

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Correspondence to Yoshinori Hamahata.

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Communicated by J. Schoißengeier.

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Hamahata, Y. Rademacher’s reciprocity law for Dedekind sums in function fields. Monatsh Math 174, 449–458 (2014). https://doi.org/10.1007/s00605-013-0559-1

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  • DOI: https://doi.org/10.1007/s00605-013-0559-1

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