Transactions of the American Mathematical Society

ISSN 1088-6850(online) ISSN 0002-9947(print)



Characteristic cycles of discrete series for $ {\bf R}$-rank one groups

Author: Jen-Tseh Chang
Journal: Trans. Amer. Math. Soc. 341 (1994), 603-622
MSC: Primary 22E46; Secondary 22E47
MathSciNet review: 1145961
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Abstract: We determine the characteristic cycles of the discrete series representations for connected $ \mathbb{R}$-rank one linear groups. The computation is made through the moment maps; we determine their fibers and the cohomology in question case by case. The multiplicity of the discrete series, in terms of their Harish-Chandra parameters, is given by recursive formulae; for groups of type $ A$ and $ B$ closed formulae are obtained.

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Article copyright: © Copyright 1994 American Mathematical Society