Singular Supports for Character Sheaves on a Group Compactification
Name
0511050.pdf
Description
Submitted version
Size
142.61 KB
Format
Adobe PDF
Checksum (MD5)
74b69457d83510d2817a53ba8af458ff
Author(s)
He, Xuhua
Lusztig, George
Date Issued
January 30, 2008
Journal
Geometric and Functional Analysis
Publisher
Springer Nature America, Inc
Citation
He, X., Lusztig, G. Singular Supports for Character Sheaves on a Group Compactification. GAFA Geom. funct. anal. 17, 1915–1923 (2008)
Version
Original manuscript
Abstract
Let G be a semisimple adjoint group over C and Ḡ be the De Concini–Procesi completion of G. In this paper, we define a Lagrangian subvariety Λ of the cotangent bundle of Ḡ such that the singular support of any character sheaf on Ḡ is contained in Λ.
MIT Department
Massachusetts Institute of Technology. Department of Mathematics
Terms of Use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1007/s00039-007-0641-8
