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math.DG2015★ 5 cited
Principal actions of stacky Lie groupoids
Henrique Bursztyn, Francesco Noseda, Chenchang Zhu
Stacky Lie groupoids are generalizations of Lie groupoids in which the "space of arrows" of the groupoid is a differentiable stack. In this paper, we consider actions of stacky Lie…
math.DG2015
Picard groups of Poisson manifolds
Henrique Bursztyn, Rui Loja Fernandes
For a Poisson manifold we develop systematic methods to compute its Picard group , i.e., its group of self Morita equivalences. We establish a precise relationship betw…