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hep-th2005
Winding Strings in AdS_3
Estanislao Herscovich, Pablo Minces, Carmen Nunez
Correlation functions of one unit spectral flowed states in string theory on AdS_3 are considered. We present the modified Knizhnik-Zamolodchikov and null vector equations to be sa…
math.KT2005
Hochschild-Mitchell cohomology and Galois extensions
Estanislao Herscovich, Andrea Solotar
We define -Galois extensions for -linear categories and a Hopf algebra and prove the existence of a Grothendieck spectral sequence for Hochschild-Mitchell cohomology, rel…