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Opening and program discussion [2]

Posted in

Vortrag [3]

Datum:

Mit, 2013-05-22 15:30 - 16:30

Location:

Department of Geography, Großer Hörsaal [4]

Parent event:

Mathematische Arbeitstagung 2013 [5]

Registration, refreshments [6]

Posted in

Sonstige [7]

Datum:

Mit, 2013-05-22 14:30 - 15:30

Location:

Department of Geography, Großer Hörsaal [4]

Parent event:

Mathematische Arbeitstagung 2013 [5]

Posted in

Konferenz [8]

Organiser(s):

Directors of the MPIM

Datum:

Mit, 2013-05-22 12:00 - Die, 2013-05-28 18:00

Details:

Program [9] and Abstracts [10] of Mathematische Arbeitstagung 2013

The "Eleventh Arbeitstagung of the Second Series" is dedicated to the memory of Friedrich Hirzebruch who started the Arbeitstagung in 1957. The talks will be published in a proceedings volume. The traditional boat trip on the Rhine will be on Sunday, May 26, the reception by the Rektor in the Festsaal of the University will be on Monday, May 27.
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Weiterlesen [5]

Topology of algebraic varieties and perverse sheaves IV [11]

Posted in

Vortrag [3]

Speaker:

Geordie Williamson

Datum:

Die, 2013-05-21 16:30 - 18:00

Location:

MPIM Lecture Hall [12]

Parent event:

IMPRS Minicourse [13]

Representation equivalence, characteristic equivalence and commensurability of arithmetic lattices [14]

Posted in

Vortrag [3]

Speaker:

C. Rajan

Zugehörigkeit:

TIFR/MPI

Datum:

Die, 2013-05-21 15:10 - 16:00

Location:

MPIM Lecture Hall [12]

Parent event:

Number theory lunch seminar [15]

Gopal Prasad and A. S. Rapinchuk defined a notion of weakly
commensurable lattices in a semisimple group, and gave a
classification of weakly commensurable Zariski dense subgroups. A
motivation was to classify pairs of locally symmetric spaces
isospectral with respect to the Laplacian on functions. For this, in
higher ranks, they assume the validity of Schanuel's conjecture.
In this talk, we observe that if we use the stronger notion of
representation equivalence of lattices, then Schanuel's conjecture can

Weiterlesen [14]

Supersymmetric quantum mechanics on vortex moduli spaces [16]

Posted in

Vortrag [3]

Speaker:

Nuno Miguel Romao

Datum:

Die, 2013-05-21 14:00 - 15:00

Location:

MPIM Lecture Hall [12]

Parent event:

Seminar on Algebra, Geometry and Physics [17]

I will report on an ongoing project aiming at uncovering fundamental
features of N=(2,2) supersymmetric quantum mechanics on moduli spaces
of vortices on compact Riemann surfaces, in analogy with the spectrum
of quantum dyon-monopole bound states that emerged in connection with
Sen's S-duality conjectures in the 1990s. My focus in this talk will
be on the geometry underlying the coupling of waveforms to local
systems in effective theories for supersymmetric two-dimensional sigma-models
with toric gauge symmetry. I will consider models with

Weiterlesen [16]

Bachelor/Master-Seminar Darstellungstheorie [18]

Posted in

Vortrag [3]

Speaker:

Georgie Williamson

Zugehörigkeit:

MPI

Datum:

Die, 2013-05-21 13:00 - 16:00

Location:

MPIM Seminar Room [19]

Parent event:

Bachelor/Master-Seminar [20]

Posted in

Reihe [21]

Speaker:

G. Williamson

Zugehörigkeit:

MPI

Datum:

Die, 2013-05-21 13:00 - 16:00

Location:

MPIM Seminar Room [19]

Details:

Program [22] and Abstracts [23] of Bachelor/Master-Seminar

Geometric filtrations of string links and homology cylinders [24]

Posted in

Vortrag [3]

Speaker:

Jim Conant

Datum:

Die, 2013-05-21 10:30 - 12:00

Location:

MPIM Lecture Hall [12]

Parent event:

Tree homology and Whitney towers (Semester on 4-manifolds) [25]

(Joint with Schneiderman and Teichner)
We analyze several filtrations on the groups of concordance classes of string links and homology
cylinders modulo homology bordism. In particular we compare the twisted Whitney tower
filtration of string links to the Johnson filtration of string links, showing that the associated
graded groups differ by finitely generated 2-torsion groups, corresponding to higher-order
Arf invariants. We also continue Jerry Levine's analysis of the Johnson filtration of homology