Pour une courbe sur un corps -adique , nous étudions le groupe fondamental géométrique abélien de en utilisant la théorie du corps de classes de due à S. Bloch et S. Saito. En particulier, nous étudions un sous-groupe de qui classifie les revêtements géométriques et abéliens de admettant une ramification au-dessus de la fibre spéciale du modèle de . En supposant que a un point rationnel sur , a bonne réduction et sa jacobienne a bonne réduction ordinaire, nous donnons un encadrement de ce sous-groupe de .
For a curve over a -adic field , using the class field theory of due to S. Bloch and S. Saito we study the abelian geometric fundamental group of . In particular, we investigate a subgroup of which classifies the geometric and abelian coverings of which allow possible ramification over the special fiber of the model of . Under the assumptions that has a -rational point, has good reduction and its Jacobian variety has good ordinary reduction, we give some upper and lower bounds of this subgroup of .
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Mots clés : Class field theory, Fundamental groups, and Elliptic curves
@article{JTNB_2023__35_3_905_0, author = {Evangelia Gazaki and Toshiro Hiranouchi}, title = {Abelian geometric fundamental groups for curves over a $p$-adic field}, journal = {Journal de th\'eorie des nombres de Bordeaux}, pages = {905--946}, publisher = {Soci\'et\'e Arithm\'etique de Bordeaux}, volume = {35}, number = {3}, year = {2023}, doi = {10.5802/jtnb.1269}, language = {en}, url = {https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.1269/} }
TY - JOUR AU - Evangelia Gazaki AU - Toshiro Hiranouchi TI - Abelian geometric fundamental groups for curves over a $p$-adic field JO - Journal de théorie des nombres de Bordeaux PY - 2023 SP - 905 EP - 946 VL - 35 IS - 3 PB - Société Arithmétique de Bordeaux UR - https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.1269/ DO - 10.5802/jtnb.1269 LA - en ID - JTNB_2023__35_3_905_0 ER -
%0 Journal Article %A Evangelia Gazaki %A Toshiro Hiranouchi %T Abelian geometric fundamental groups for curves over a $p$-adic field %J Journal de théorie des nombres de Bordeaux %D 2023 %P 905-946 %V 35 %N 3 %I Société Arithmétique de Bordeaux %U https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.1269/ %R 10.5802/jtnb.1269 %G en %F JTNB_2023__35_3_905_0
Evangelia Gazaki; Toshiro Hiranouchi. Abelian geometric fundamental groups for curves over a $p$-adic field. Journal de théorie des nombres de Bordeaux, Tome 35 (2023) no. 3, pp. 905-946. doi : 10.5802/jtnb.1269. https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.1269/
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