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| Speaker: |
Sara Azzali, U. Sapienza Roma
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| Title: |
Secondary invariants for two-cocycle twists
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| Abstract: |
In this talk, we describe the construction of eta and rho invariants for Dirac operators, on the universal covering of a closed
manifold, that are invariant under the projective action associated to a 2-cocycle of the fundamental group.
We will see how to prove an Atiyah-Patodi-Singer index theorem in this setting, and discuss some geometric applications. (Joint work
with Charlotte Wahl).
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 |
 |
G |
ruppo di |
R |
icerca |
E |
uropeo |
F |
ranco- |
I |
taliano in |
GE |
ometria |
N |
on |
CO |
mmutativa |
| roupement de |
echerche |
uropéen |
ranco |
talien en |
ométrie |
on |
mmutative |
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