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hep-th2007★ 12 cited
WZW orientifolds and finite group cohomology
Krzysztof Gawedzki, Rafal R. Suszek, Konrad Waldorf
The simplest orientifolds of the WZW models are obtained by gauging a Z_2 symmetry group generated by a combined involution of the target Lie group G and of the worldsheet. The act…
hep-th2006★ 2 cited
Non-commutative Weitzenboeck geometry, gerbe modules, and WZW branes
Andreas Recknagel, Rafal R. Suszek
We study the non-commutative matrix model which arises as the low-energy effective action of open strings in WZW models. We re-derive this fuzzy effective gauge dynamics in two dif…