Taming open/closed string duality with a Losev trick

@article{Bonelli2010TamingOS,
  title={Taming open/closed string duality with a Losev trick},
  author={Giulio Bonelli and Andrea Prudenziati and Alessandro Tanzini},
  journal={Journal of High Energy Physics},
  year={2010},
  volume={2010},
  pages={1-21}
}
A target space string field theory formulation for open and closed B-model is provided by giving a Batalin-Vilkovisky quantization of the holomorphic Chern-Simons theory with off-shell gravity background. The target space expression for the coefficients of the holomorphic anomaly equation for open strings are obtained. Furthermore, open/closed string duality is proved from a judicious integration over the open string fields. In particular, by restriction to the case of independence on… 

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