Stickelberger series and Main Conjecture for function fields

• Bandini, Andrea ^[1] ; Coscelli, Edoardo
  1. [1] Universit`a degli Studi di Pisa. Dipartimento di Matematica
• Localización: Publicacions matematiques, ISSN 0214-1493, Vol. 65, Nº 2, 2021, págs. 459-498
• Idioma: inglés
• DOI: 10.5565/publmat6522103
• Enlaces
  • Texto completo
• Resumen

  • Let F be a global function field of characteristic p with ring of integers A and let Φ be a Hayes module on the Hilbert class field HA of F. We prove an Iwasawa Main Conjecture for the Z∞p extension F/F generated by the p-power torsion of Φ (p a prime of A). The main tool is a Stickelberger series whose specialization provides a generator for the Fitting ideal of the class group of F. Moreover we prove that the same series, evaluated at complex or p-adic characters, interpolates the Goss Zeta-function or some p-adic L-function, thus providing the link between the algebraic structure (class groups) and the analytic functions, which is the crucial part of Iwasawa Main Conjecture.

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