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Nilpotent Orbits and Whittaker Functions for Derived Functor Modules of $\Sp(2,\mathbb{R})$

  Published:2002-08-01
 Printed: Aug 2002
  • Takuya Miyazaki
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Abstract

We study the moderate growth generalized Whittaker functions, associated to a unitary character $\psi$ of a unipotent subgroup, for the non-tempered cohomological representation of $G = \Sp (2,\mathbb{R})$. Through an explicit calculation of a holonomic system which characterizes these functions we observe that their existence is determined by the including relation between the real nilpotent coadjoint $G$-orbit of $\psi$ in $\mathfrak{g}_{\mathbb{R}}^\ast$ and the asymptotic support of the cohomological representation.
MSC Classifications: 22E46, 22E30 show english descriptions Semisimple Lie groups and their representations
Analysis on real and complex Lie groups [See also 33C80, 43-XX]
22E46 - Semisimple Lie groups and their representations
22E30 - Analysis on real and complex Lie groups [See also 33C80, 43-XX]
 

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