Endoscopy
References
Arthur, J. "Stability and Endoscopy: Informal Motivation." In Representation
Theory and Automorphic Forms: Papers from the Instructional Conference Held in Edinburgh,
March 17-29, 1996 (Ed. T. N. Bailey and Knapp, A. W.). Providence,
RI: Amer. Math. Soc., pp. 433-442, 1997.Hales, T. "On the
Fundamental Lemma for Standard Endoscopy: Reduction to Unit Elements." Canad.
J. Math. 47, 974-994, 1995.