on the fundamental lemma - MathOverflow most recent 30 from http://mathoverflow.net 2013-05-22T17:35:21Z http://mathoverflow.net/feeds/question/118892 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/118892/on-the-fundamental-lemma on the fundamental lemma prochet 2013-01-14T16:06:52Z 2013-01-14T16:06:52Z <p>I consider the fundamental lemma for the spherical Hecke algebra.</p> <p>Let $G$ a connected reductive quasisplit group on $F$, a local field of equal characteristic $p$. and $H$ an endoscopic group.</p> <p>Can we reduce the fundamental lemma for (G,H) to the fundamental lemma for $(H,G)$ with $G_{der}=G_{sc}$ or even better to (H, G) where both G and H have a simply connected derived group?</p>