Let F/k be a finite abelian extension of global function fields, totally split at a distinguished place ∞ of k. We show that a complex Gras conjecture holds for Stark units, and we derive a refined analytic class number formula.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-ba60-2-2, author = {St\'ephane Vigui\'e}, title = {The $\chi$-part of the Analytic Class Number Formula, for Global Function Fields}, journal = {Bulletin of the Polish Academy of Sciences. Mathematics}, volume = {60}, year = {2012}, pages = {113-122}, zbl = {1295.11130}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ba60-2-2} }
Stéphane Viguié. The χ-part of the Analytic Class Number Formula, for Global Function Fields. Bulletin of the Polish Academy of Sciences. Mathematics, Tome 60 (2012) pp. 113-122. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ba60-2-2/