2015
DOI: 10.1112/blms/bdu105
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Some geometric facets of the Langlands correspondence for real groups

Abstract: This note concerns geometric aspects of the local Langlands correspondence for real groups as extended from Langlands’ original work by Adams–Barbasch–Vogan, and further (conjectural) formulations by W. Soergel. The main result concerns purity (in the sense of weights in Hodge theory) of equivariant extension groups between simple objects on the Adams–Barbasch–Vogan geometric parameter space (for trivial infinitesimal character).

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Cited by 4 publications
(3 citation statements)
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“…By theorem 1.12 in [LV83] their cohomologies are either concentrated in even degree or odd degree. See the comments in the proof to corollary 4.6 in [Vir15] for example for why this applies to C in addition to F p .…”
Section: It Is Well Known That This Mapsmentioning
confidence: 99%
“…By theorem 1.12 in [LV83] their cohomologies are either concentrated in even degree or odd degree. See the comments in the proof to corollary 4.6 in [Vir15] for example for why this applies to C in addition to F p .…”
Section: It Is Well Known That This Mapsmentioning
confidence: 99%
“…Section III.3, these motives generate all equivariant mixed Tate motives, establishing the equivariant Whitney-Tate condition. The changes necessary to go from [SW15] to the more general equivariant setting mostly follow the approach outlined in [Vir14].…”
Section: Introductionmentioning
confidence: 99%
“…We hope that our explanations contribute to a better understanding of the original vision laid out in the work [BG86] of Beilinson and Ginzburg. We also expect that the use of mixed motivic categories will turn out to be fruitful in a lot of other instances where geometric representation theory relies on "mixed geometry". For example, in a joint work in progress with Rahbar Virk, we will discuss how Borel-equivariant motives can be used to establish motivic versions of the results from [Vir13] and construct a very natural geometric categorification of the Hecke algebra.…”
mentioning
confidence: 99%