# Topological Open Strings on Orbifolds

@article{Bouchard2010TopologicalOS,
title={Topological Open Strings on Orbifolds},
author={Vincent Bouchard and Albrecht Klemm and Marcos Mari{\~n}o and Sara Pasquetti},
journal={Communications in Mathematical Physics},
year={2010},
volume={296},
pages={589-623}
}
• Published 3 July 2008
• Mathematics
• Communications in Mathematical Physics
We use the remodeling approach to the B-model topological string in terms of recursion relations to study open string amplitudes at orbifold points. To this end, we clarify modular properties of the open amplitudes and rewrite them in a form that makes their transformation properties under the modular group manifest. We exemplify this procedure for the $${{\mathbb C}^3/{\mathbb Z}_3}$$ orbifold point of local $${{\mathbb P}^2}$$, where we present results for topological string amplitudes for…
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