The twisted trace formula

Author(s):  
Yuval Z. Flicker

2002 ◽  
Vol 54 (2) ◽  
pp. 352-395 ◽  
Author(s):  
Thomas J. Haines

AbstractWe study the cohomology of connected components of Shimura varieties coming from the group GSp2g, by an approach modeled on the stabilization of the twisted trace formula, due to Kottwitz and Shelstad. More precisely, for each character ϖ on the group of connected components of we define an operator L(ω) on the cohomology groups with compact supports Hic(, ), and then we prove that the virtual trace of the composition of L(ω) with a Hecke operator f away from p and a sufficiently high power of a geometric Frobenius , can be expressed as a sum of ω-weighted (twisted) orbital integrals (where ω-weighted means that the orbital integrals and twisted orbital integrals occuring here each have a weighting factor coming from the character ϖ). As the crucial step, we define and study a new invariant α1(γ0; γ, δ) which is a refinement of the invariant α(γ0; γ, δ) defined by Kottwitz. This is done by using a theorem of Reimann and Zink.



1991 ◽  
Vol 98 (1) ◽  
pp. 194-210
Author(s):  
Yuval Z Flicker


2019 ◽  
Vol 292 (1-2) ◽  
pp. 529-567
Author(s):  
Abhishek Parab


1977 ◽  
Vol 53 (3) ◽  
pp. 98-102 ◽  
Author(s):  
Ki-ichiro Hashimoto




2019 ◽  
Vol 357 (1) ◽  
pp. 74-83
Author(s):  
Bingxiao Liu


2004 ◽  
Vol 3 (4) ◽  
pp. 473-530 ◽  
Author(s):  
J.-P. Labesse

This paper deals with the stabilization of the contribution of elliptic elements to the geometric side of the general twisted trace formula. We extend the results of Langlands, Kottwitz and Shelstad to all elliptic elements for the general twisted trace formula.AMS 2000 Mathematics subject classification: Primary 11F72; 11R39; 11R34



2021 ◽  
pp. 108997
Author(s):  
Quanlei Fang ◽  
Yi Wang ◽  
Jingbo Xia
Keyword(s):  


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