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Topological Strings and D-Branes

Ion V. Vancea

hep-tharXiv:hep-th/0409165

Abstract

In this talk we give a brief review of the algebraic structure behind the open and closed topological strings and D-branes and emphasize the role of tensor category and the Frobenius algebra. Also, we speculate on the possibility of generalizing the topological strings and the D-branes through the subfactor theory.

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