A formula for the geometric Jacquet functor and its character sheaf analogue

Let ( G , K ) be a symmetric pair over the complex numbers, and let X = K \ G be the corresponding symmetric space. In this paper we study a nearby cycles functor associated to a degeneration of X to M N \ G , which we call the “wonderful degeneration”. We show that on the category of character shea...

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Veröffentlicht in:	Geometric and functional analysis 2017-07, Vol.27 (4), p.772-797
Hauptverfasser:	Chen, Tsao-Hsien, Yom Din, Alexander
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Complex numbers Degeneration Mathematics Mathematics and Statistics Modules Sheaves Theorem proving
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