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Showing 2005 · math.DGShow all
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math.DG2005
Relative modular classes of Lie algebroids
Yvette Kosmann-Schwarzbach, Alan Weinstein
We study the relative modular classes of Lie algebroids, and we determine their relationship with the modular classes of Lie algebroids with a twisted Poisson structure.
math.DG2005
Rigidity of amalgamated product in negative curvature
Gerard Besson, Gilles Courtois, Sylvain Gallot
Let be the fundamental group of a compact n-dimensional riemannian manifold X of sectional curvature bounded above by -1. We suppose that is a free product of its subgroup…