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On the modular classes of Poisson-Nijenhuis manifolds

Yvette Kosmann-Schwarzbach, Franco Magri

math.SGarXiv:math/0611202

Abstract

We prove a property of the Poisson-Nijenhuis manifolds which yields new proofs of the bihamiltonian properties of the hierarchy of modular vector fields defined by Damianou and Fernandes.

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