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## Dressing cosets revisited

### Abstract

We present an alternative algebraic derivation of the dual pair of nonlinear $\sigma$-models based on the 'dressing cosets' extension of the Poisson-Lie $T$-duality \cite{KS1}. Then we generalize the result to dual pairs of Lagrangians not considered in \cite{KS1}. Our generalization turns out to incorporate the dualisable models constructed by Sfetsos in \cite{Sfet1}.Comment: 24 page

Topics: High Energy Physics - Theory
Year: 2011
DOI identifier: 10.1016/j.nuclphysb.2011.07.025
OAI identifier: oai:arXiv.org:1105.0162