Contents
Introduction vii
Conference Talks xi
List of Participants xix
Dirac cohomology and unipotent representations of complex groups
D. Barbasch and P.
Pandˇ
zi
´
c 1
Algebraic index theorem for symplectic deformations of gerbes
P. Bressler, A. Gorokhovsky, R. Nest, and B. Tsygan 23
Index theory for basic Dirac operators on Riemannian foliations
J. Bruning,
¨
F.W. Kamber, and K. Richardson 39
The Witt construction in characteristic one and quantization
A. Connes 83
Lie prealgebras
M. Dubois-Violette and G. Landi 115
On the analogy between complex semisimple groups
and their Cartan motion groups
N. Higson 137
A survey on Hopf-cyclic cohomology and Connes-Moscovici characteristic map
A. Kaygun 171
A super version of Connes-Moscovici Hopf algebra
M. Khalkhali and A. Pourkia 181
Analytic torsion of Z2-graded elliptic complexes
V. Mathai and S. Wu 199
The K-groups and the index theory of certain comparison
C∗-algebras
B. Monthubert and V. Nistor 213
Relative pairings and the Atiyah-Patodi-Singer index formula for the
Godbillon-Vey cocycle
H. Moriyoshi and P. Piazza 225
Two exact sequences for lattice cohomology
A. Nemethi
´
249
Cup products in Hopf cyclic cohomology with coefficients in contramodules
B. Rangipour 271
v
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