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math.DG2014
The diffeomorphism type of canonical integrations of Poisson tensors on surfaces
David Martínez Torres
A surface endowed with a Poisson tensor is known to admit a canonical integration , which is a 4-dimensional manifold with a (symplectic) groupoid structure…
math.DG2014★ 6 cited
Semisimple coadjoint orbits and cotangent bundles
David Martínez Torres
Semisimple (co)adjoint orbits through real hyperbolic elements are well-known to be symplectomorphic to cotangent bundles. We provide a new proof of this fact based on elementary r…