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math.SG2014
Convexity for Hamiltonian torus actions on -symplectic manifolds
Victor Guillemin, Eva Miranda, Ana Rita Pires +1
In [GMPS] we proved that the moment map image of a -symplectic toric manifold is a convex -polytope. In this paper we obtain convexity results for the more general case of no…
math-ph2014
Rigidity of infinitesimal momentum maps
Chiara Esposito, Eva Miranda
In this paper we prove rigidity theorems for Poisson Lie group actions on Poisson manifolds. In particular, we prove that close infinitesimal momentum maps associated to Poisson Li…