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首页> 外文期刊>Annales scientifiques de l'Ecole normale superieure >Sp(2N)-covers for self-contragredient supercuspidal representations of GL(N)
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Sp(2N)-covers for self-contragredient supercuspidal representations of GL(N)

机译:Sp(2N)-涵盖了GL(N)的自矛盾超尖代表

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摘要

Let F be a non-archimedean local field of odd residual characteristic. Let (J,T) be a maximal simple type in GL(N)(F) for the inertial class [GL(N)(F),pi]GL(N(F)) of a self-contragredient supercuspidal irreducible representation pi of GLN(F). Identify GLN(F) to the standard Siegel Levi subgroup in Sp(2N)(F). We construct, in SP2N(F), a type for the inertial class [GL(N)(F),pi](Sp2N(F)), as a Sp(2N)(F)-cover of (J,T), strongly related to the GL(2N)(F)-cover of (J x J,T circle times T) in GL(2N)(F) constructed by Bushnell and Kutzko and which induces to a simple type in GL2N(F). In the process, we show that if T has positive level, then the maximal simple type (J, T) may be attached to a simple stratum [aleph, n, 0, beta] where the field F[beta] is a quadratic extension of F[beta(2)], and to a simple character theta in C (aleph, 0, beta) Galois conjugate of its inverse. (C) 2004 Elsevier SAS.
机译:令F为具有奇数残留特征的非档案局部场。设(J,T)为自反超尖尖不可约表示pi的惯性类[GL(N)(F),piGL(N(F))的GL(N)(F)中的最大简单类型GLN(F)。将GLN(F)识别为Sp(2N)(F)中的标准Siegel Levi子组。我们在SP2N(F)中构造惯性类[GL(N)(F),pi](Sp2N(F))的类型,作为(J,T)的Sp(2N)(F)-盖,与Bushnell和Kutzko构造的GL(2N)(F)中(J x J,T圈乘以T)的GL(2N)(F)-覆盖密切相关,并在GL2N(F)中引发为简单类型。在该过程中,我们表明如果T具有正值,则最大简单类型(J,T)可以附加到简单层[aleph,n,0,beta],其中场Fβ是二次扩展Fβ(2)]的形式,并转换为C(aleph,0,beta)Galois共轭逆数的简单字符theta。 (C)2004 Elsevier SAS。

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