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hep-th2007
Extended su(2)_k and restricted U_q sl(2)
Ludmil Hadjiivanov, Paolo Furlan
Global gauge symmetry becomes more intricate in low dimensional QFT. We survey the mathematical concepts leading to the relevant analogues of the (D=4) Doplicher-Haag-Roberts theor…
hep-th1999
A Finite Dimensional Gauge Problem in the WZNW Model
M. Dubois-Violette, P. Furlan, L. K. Hadjiivanov +3
The left and right zero modes of the level k SU(n) WZNW model give rise to a pair of isomorphic (left and right) mutually commuting quantum matrix algebras. For a deformation param…