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Operator Algebras Seminars
July 2011 - June 2012
Seminars are generally held every Tuesday
and Thursday at 2pm in Room 210.
For more information about this program please contact George
Elliott |
UPCOMING SEMINARS every Tuesday and Thursday at 2pm Room 210
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January 12, 2012
2:10 p.m.
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Vitali Vougalter, University of Cape Town
Sharp semiclassical bounds for the moments of eigenvalues for
some Schroedinger type operators with unbounded potentials
We establish sharp semiclassical upper bounds for the moments
of some negative powers for the eigenvalues of the Dirichlet
Laplacian. When a constant magnetic field is incorporated in
the problem, we obtain sharp lower bounds for the moments of
positive powers not exceeding one for such eigenvalues. When
considering a Schroedinger operator with the relativistic kinetic
energy and a smooth, nonnegative, unbounded potential, we prove
the sharp Lieb-Thirring estimate for the moments of some negative
powers of its eigenvalues
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December 6, 2011
Room 210 |
Adam Sierakowski
The Thompson group F and F-separating actions
In a joined work with E. Kirchberg we study conditions ensuring
that a crossed product of a C*-algebra by a discrete group is
strongly purely infinite (simple or non-simple). In this (3nd)
talk I give an example of an action of the Thompson group F
on the real line R that is minimal and F-separating and use
it to construct a non-minimal F-separating action, thus answering
(in the positive) the question from my first talk on strongly
purely infinite crossed product. |
| November 29 |
Paul Baum |
| November 24 |
Adam Sierakowski
Strong pure infiniteness of crossed products, II
In a joined work with E. Kirchberg we study conditions ensuring
that a crossed product of a C*-algebra by a discrete group is
strongly purely infinite (simple or non-simple). In this (2nd)
talk I will discuss some of the application of this work to
specific crossed products. |
| July 27, 2011 |
Anamaria Savu
Closed and exact functions in the context of Ginzburg-Landau
models |
July 21, 2011
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Cristian Ivanescu
Some remarks on the Cuntz semigroup |
| July 19, 2011 |
Norio Nawata
On his most recent work |
| July 14, 2011 |
Working Seminar |
| July 12, 2011 |
Working Seminar |
Tuesday July 5 at 2:10pm, in room 210, there will be a working
seminar.
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