On the Symmetries of Classical String Theory

Abstract

I discuss some aspects of conformal defects and conformal interfaces in two spacetime dimensions. Special emphasis is placed on their role as spectrum-generating symmetries of classical string theory.

Latex file, 12 pages, 1 figure. Contributed to the volume celebrating Claudio Bunster's sixtieth anniversary; based on talks at the Arnold Sommerfeld Workshop on "String Field Theory and Related Aspects", and for the 50th anniversary of the IHES

References in corpus (14)

• Duality and defects in rational conformal field theory
• Doubled Geometry and T-Folds
• Topological defects for the free boson CFT
• Reflection and Transmission for Conformal Defects
• Fusion of conformal interfaces
• Holomorphic reduction of N=2 gauge theories, Wilson-'t Hooft operators, and S-duality
• Loop Operators and the Kondo Problem
• Defects and Bulk Perturbations of Boundary Landau-Ginzburg Orbifolds
• Gauge Theory, Ramification, And The Geometric Langlands Program
• The algebra of Wilson-'t Hooft operators
• Electric-Magnetic Duality And The Geometric Langlands Program
• B-type defects in Landau-Ginzburg models
• The fusion algebra of bimodule categories
• Quantization of Wilson loops in Wess-Zumino-Witten models

Cited by in corpus (12)

• Half-BPS Solutions locally asymptotic to AdS_3 x S^3 and interface conformal field theories
• A worldsheet extension of O(d,d;Z)
• Quantum Gates to other Universes
• Defect flows in minimal models
• Defect loops in gauged Wess-Zumino-Witten models
• A note on entanglement entropy for topological interfaces in RCFTs
• String Junctions and Holographic Interfaces
• Topological defects in periodic RSOS models and anyonic chains
• Limit theories and continuous orbifolds
• Topological interfaces in Chern-Simons theory and $Ad{S}_3/CF{T}_2$
• Defects and Perturbation
• Fusion of interfaces in Landau-Ginzburg models: a functorial approach