BCFT and Ribbon Graphs as tools for open/closed string dualities

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Gili, Valeria L.
Carfora, Mauro
Dappiaggi, Claudio
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Abstract
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In the framework of simplicial models, we construct and we fully characterize a scalar boundary conformal field theory on a triangulated Riemann surface. The results are analysed from a string theory perspective as tools to deal with open/closed string dualities.
Comment: 5 pages. To appear in the Proceeding of the 7th International Workshop "Lie Theory and Its Applications in Physics" (LT-7), 18-24 June 2007, Varna, Bulgaria
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High Energy Physics - Theory
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