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Article Dans Une Revue Journal of Geometry and Physics Année : 2013

Quasi-Hamiltonian bookkeeping of WZNW defects

Résumé

We interpret the chiral WZNW model with general monodromy as an infinite dimensional quasi-Hamiltonian dynamical system. This interpretation permits to explain the totality of complicated cross-terms in the symplectic structures of various WZNW defects solely in terms of the single concept of the quasi-Hamiltonian fusion. Translated from the WZNW language into that of the moduli space of flat connections on Riemann surfaces, our result gives a compact and transparent characterization of the symplectic structure of the moduli space of flat connections on a surface with k handles, n boundaries and m Wilson lines.
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Dates et versions

hal-01068520 , version 1 (25-09-2014)

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  • HAL Id : hal-01068520 , version 1

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Ctirad Klimcik. Quasi-Hamiltonian bookkeeping of WZNW defects. Journal of Geometry and Physics, 2013, 76, pp.25-37. ⟨hal-01068520⟩
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