Arnold Sommerfeld Center

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The real topological string

D. Krefl (LMU)

04.06.2009 at 16:15 

I will discuss several aspects of the real topological string, that is, the topological string on a background with O-plane and D-brane at its real locus, using local P2 as toy model. Especially, I will show how to refine localization on the moduli space of maps to compute open and unoriented Gromov-Witten invariants, how to reproduce the corresponding topological amplitudes in the topological vertex formalism and finally how the amplitudes can be derived via the extended holomorphic anomaly equations in the mirror B-model.

Arnold Sommerfeld Center
Theresienstrasse 37
Room 348/349