seminar at SISSA

[ICTP info point]

From: tuillier at sissa.it


SISSA COLLOQIUM
 
 
Dott. A. Tanzini (Mathematical Physics)
 
 
"Learning to count with Topological Field Theories"
 
Abstract:
We will discuss how some topological invariants are naturally described 
by physical theories.
This leads to new unexpected relationships between different invariants 
as well as new ways to compute them.
We will start with a brief survey of Chern-Simons theory and knot 
invariants. Then we will describe the computation of four-manifold 
invariants via localisation on the instanton moduli spaceand discuss 
their relationship with Gromov-Witten invariants. Finally we will 
comment on the recent attempts toward the unification of topological 
field theories.
 
 
WEDNESDAY, 22 MARCH, 14:30, LECTURE ROOM D.
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