Boundaries, defects and Frobenius algebras

Details Boundaries, defects and Frobenius algebras Boundaries, defects and Frobenius algebras

2003-02-25

arxiv.org/abs/hep-th/0302200v1

Fortsch.Phys. 51 (2003) 850-855; Annales Henri Poincare 4 (2003) S175-S182

Physics

High Energy Physics

High Energy Physics - Theory

7 pages. Contribution to the 35th International Symposium Ahrenshoop on the Theory of Elementary Particles (Berlin, August 200

Scientific paper

10.1002/prop.200310107

The interpretation of D-branes in terms of open strings has lead to much interest in boundary conditions of two-dimensional conformal field theories (CFTs). These studies have deepened our understanding of CFT and allowed us to develop new computational tools. The construction of CFT correlators based on combining tools from topological field theory and non-commutative algebra in tensor categories, which we summarize in this contribution, allows e.g. to discuss, apart from boundary conditions, also defect lines and disorder fields.

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