Convolution of Almost Characters

Convolution of Almost Characters

In this paper we show that the convolution product of "almost characters" of a connected reductive group over a finite field is given by "structure constants" whose leading coefficients can be interpreted in K-theoretic terms and in particular are natural numbers. I wish to thank...

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Bibliographic Details
Main Author: Lusztig, G (Author)
Format: Article
Language:English
Published: International Press of Boston, 2022-02-09T18:12:32Z.
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Online Access:Get fulltext
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100 1 0 |a Lusztig, G  |e author 
245 0 0 |a Convolution of Almost Characters 
260 |b International Press of Boston,   |c 2022-02-09T18:12:32Z. 
856 |z Get fulltext  |u https://hdl.handle.net/1721.1/140241 
520 |a In this paper we show that the convolution product of "almost characters" of a connected reductive group over a finite field is given by "structure constants" whose leading coefficients can be interpreted in K-theoretic terms and in particular are natural numbers. I wish to thank M. Finkelberg and V. Ostrik for comments on an earlier version of this paper. 
546 |a en 
655 7 |a Article 
773 |t 10.4310/AJM.2004.V8.N4.A23 
773 |t Asian Journal of Mathematics 

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