We study the nature of asymptotic symmetries in topological 3D gravity with torsion. After introducing the concept of an asymptotically anti--de Sitter configuration, we find that the canonical realization of the asymptotic symmetry is characterized by the Virasoro algebra with a classical central charge, the value of which is the same as in general relativity: c=3l/2G.
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Blagojević et al. (2003) studied this question.