Bulg. J. Phys. vol.35 no.s1 (2008), pp. 107-110



BCFT and Ribbon Graphs as Tools for Open/Closed String Dualities

Valeria L. Gili1, Mauro Carfora2, Claudio Dappiaggi3
1Centre for Research in String Theory, Department of Physics, Queen Mary, University of London, Mile End Road, London, E1 4NS, UK
2Dipartimento di Fisica Nucleare e Teorica, Universita' degli Studi di Pavia and INFN, Via A.Bassi, 6, I-27100, Pavia, Italy
3II. Institut für Theoretische Physik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Deutschland
Abstract. 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.

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