most citedOn the uniqueness of generating Hamiltonian for continuous limits of Hamiltonians flows

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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…