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arXiv 1506.09112math.RT
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一个局部相对迹公式的几何边

Geometric side of a local relative trace formula

Patrick Delorme, Pascale Harinck, Sofiane Souaifi

摘要:

按照B. Feigon,我们研究了一个局部相对迹公式的情况下,约化$p$-adic群$G$相对于对称子群$H= \underline{H}(F)$,其中$\underline{H}$是分裂的局部域$F$的特征零和$G = \underline{G} (F)$是限制标量的$\underline{H} _{I E}$相对于二次非分歧扩张$E$的$F$.我们采用了J. Arthur的局部迹公式的证明技术,以得到与$G$的正则表示相关联的截断核的$H \times H$上的积分的几何展开。

英文摘要:

Following a scheme suggested by B. Feigon, we investigate a local relative trace formula in the situation of a reductive $p$ -adic group $G$ relative to a symmetric subgroup $H= \underline{H}(F)$ where $\underline{H}$ is split over the local field $F$ of characteristic zero and $G = \underline{G} (F)$ is the restriction of scalars of $\underline{H} _{I E}$ relative to a quadratic unramified extension $E$ of $F$. We adapt techniques of the proof of the local trace formula by J. Arthur in order to get a geometric expansion of the integral over $H \times H$ of a truncated kernel associated to the regular representation of $G$.

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