On the Steinberg character of a semisimple p-adic group
We show that the character of the Steinberg representation of a split semisimple p-adic group at a very regular element is given (up to sign) by a power of q, the number of elements in the residue field. We also show that (under an assumption on the characteristic) the character of an Iwahori-spheri...
Main Authors: | Lusztig, George, Kim, Ju-Lee |
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Other Authors: | Massachusetts Institute of Technology. Department of Mathematics |
Format: | Article |
Language: | en_US |
Published: |
Mathematical Sciences Publishers
2015
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Online Access: | http://hdl.handle.net/1721.1/92975 https://orcid.org/0000-0002-9184-0114 https://orcid.org/0000-0001-9414-6892 |
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