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Higher reciprocity laws
7
votes
1
answer
449
views
Intuition behind centralizers of Langlands parameters
In the description of the Langlands correspondence for $\mathbb{Q}_p$, we consider admissible representations of $G(\mathbb{Q}_p)$ for $G$ a reductive group defined over $\mathbb{Q}_p$, and admissible …
2
votes
0
answers
80
views
Pseudocoefficients and Traces of Standard Representations
Let $G$ be a connected reductive group over $\mathbb{R}$ (you may assume that $G/Z(G)$ is anisotropic if necessary) and suppose $\pi$ is a discrete series representation of $G(\mathbb{R})$ with centra …
2
votes
0
answers
94
views
$p$-adic Harish-Chandra character of a stable virtual character
Let $F$ be a $p$-adic field and let $G$ be a reductive group over $F$. Associated to an irreducible admissible representation of $\pi$ of $G(F)$, we have a distribution character $\Theta_{\pi}$ define …
3
votes
0
answers
87
views
Recovering a $G$-valued representation/parameter
Number theoretic phrasing
Let $G$ be a connected reductive group over a characteristic $0$ field $F$. Associated to $G$ is its Langlands dual group $^{L}G$. For every dominant cocharacter $\mu$ of $G …