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PRODID:-//talks.bham.ac.uk//v3//EN
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CATEGORIES:Algebra seminar
SUMMARY:A counterexample to a conjecture of Steinberg - Mi
kko Korhonen
DTSTART:20191008T160000Z
DTEND:20191008T170000Z
UID:TALK3896AT
URL:/talk/index/3896
DESCRIPTION:Let G be a semisimple algebraic group over an alge
braically closed field K. At the 1966 ICM in Mosco
w\, Robert Steinberg conjectured that two elements
of G are conjugate if and only if their images ar
e conjugate under every rational irreducible repre
sentation of G. The conjecture was proven by Stein
berg in the case where K has characteristic zero\,
and also in the case where the two elements are s
emisimple. In this talk\, I will present a counter
example which was discovered by computational meth
ods.
LOCATION:PHYW-SR2 (106)
CONTACT:Chris Parker
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