 
Summary: Convergence of norms C
red(F2) is an MFalgebra Ext(C
red(F2)) is not a group C
red(F2) is projectionsless
Lecture IV: Convergence of norms of polynomials
of GUE's and applications
Steen Thorbjørnsen, University of Aarhus
Convergence of norms C
red(F2) is an MFalgebra Ext(C
red(F2)) is not a group C
red(F2) is projectionsless
Convergence of norms of polynomials of GUE's
the hard part
Theorem [Haagerup+T]. For each n N, let X
(n)
1 , . . . , X
(n)
r be
independent random matrices from the class GUE(n, 1
n ), and let
