Hilbert模p形式与Galoisiennes扩张值
Formes modulaires de Hilbert modulo p et valeurs d'extensions galoisiennes
摘要:
设F是一个全实域,v是F除p的非分歧位,rho是G_F的连续不可约二维模p表示,使得rho对G_{F_v}的限制是可约的且充分泛的.如果rho是模的(并且满足一些较弱的技术假设),我们展示了如何根据GL_2(F_v)对上同调模p的作用来恢复G_{F_v}的两个特征之间的相应扩展。
英文摘要:
Let F be a totally real field, v an unramified place of F dividing p and rho a continuous irreducible two-dimensional mod p representation of G_F such that the restriction of rho to G_{F_v} is reducible and sufficiently generic. If rho is modular (and satisfies some weak technical assumptions), we show how to recover the corresponding extension between the two characters of G_{F_v} in terms of the action of GL_2(F_v) on the cohomology mod p.
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