Nous prouvons la conjecture de compatibilité des droites fondamentales -adiques avec les spécialisations aux points motiviques pour une large classe de familles -adiques de représentations galoisiennes (par exemple, les familles provenant de familles -adiques de représentations automorphes du groupe des unités d’une algèbre de quaternions ou d’un groupe unitaire totalement défini) et en déduisons la compatibilité de la Conjecture Équivariante sur les Nombres de Tamagawa pour ces spécialisations. Néanmoins, nous montrons également que les droites fondamentales ne sont en général pas compatibles avec les spécialisations arbitraires à valeurs dans un anneau intègre de caractéristique zéro. Ceci indique qu’il est nécessaire de modifier la conjecture de [73] en utilisant la cohomologie complétée.
We prove the conjectured compatibility of -adic fundamental lines with specializations at motivic points for a wide class of -adic families of -adic Galois representations (for instance, the families which arise from -adic families of automorphic representations of the unit group of a quaternion algebra or of a totally definite unitary group) and deduce the compatibility of the Equivariant Tamagawa Number Conjectures for them. However, we also show that fundamental lines are not compatible with arbitrary characteristic zero specializations with values in a domain in general. This points to the need to modify the conjectures of [73] using completed cohomology.
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DOI : 10.5802/jep.38
Keywords: Iwasawa theory, $p$-adic automorphic forms
Mot clés : Théorie d’Iwasawa, formes automorphes $p$-adiques
Olivier Fouquet 1
@article{JEP_2017__4__37_0, author = {Olivier Fouquet}, title = {$p$-adic properties of motivic~fundamental~lines}, journal = {Journal de l{\textquoteright}\'Ecole polytechnique {\textemdash} Math\'ematiques}, pages = {37--86}, publisher = {\'Ecole polytechnique}, volume = {4}, year = {2017}, doi = {10.5802/jep.38}, zbl = {06754323}, mrnumber = {3611099}, language = {en}, url = {https://jep.centre-mersenne.org/articles/10.5802/jep.38/} }
TY - JOUR AU - Olivier Fouquet TI - $p$-adic properties of motivic fundamental lines JO - Journal de l’École polytechnique — Mathématiques PY - 2017 SP - 37 EP - 86 VL - 4 PB - École polytechnique UR - https://jep.centre-mersenne.org/articles/10.5802/jep.38/ DO - 10.5802/jep.38 LA - en ID - JEP_2017__4__37_0 ER -
Olivier Fouquet. $p$-adic properties of motivic fundamental lines. Journal de l’École polytechnique — Mathématiques, Tome 4 (2017), pp. 37-86. doi : 10.5802/jep.38. https://jep.centre-mersenne.org/articles/10.5802/jep.38/
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