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The $\chi $-part of the Analytic Class Number Formula, for Global Function Fields

Volume 60 / 2012

Stéphane Viguié Bulletin Polish Acad. Sci. Math. 60 (2012), 113-122 MSC: 11R58, 11R29, 11M06. DOI: 10.4064/ba60-2-2


Let $F/k$ be a finite abelian extension of global function fields, totally split at a distinguished place $\infty $ of $k$. We show that a complex Gras conjecture holds for Stark units, and we derive a refined analytic class number formula.


  • Stéphane ViguiéLaboratoire de Mathématiques de Besançon
    UMR CNRS 6623
    Université de Franche-Comté
    16 route de Gray
    25030 Besançon Cedex, France

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