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math.DG2011
Dirac pairs
Yvette Kosmann-Schwarzbach
We extend the definition of the Nijenhuis torsion of an endomorphism of a Lie algebroid to that of a relation, and we prove that the torsion of the relation defined by a bi-Hamilto…
math.DG2011★ 1 cited
Nijenhuis structures on Courant algebroids
Yvette Kosmann-Schwarzbach
We study Nijenhuis structures on Courant algebroids in terms of the canonical Poisson bracket on their symplectic realizations. We prove that the Nijenhuis torsion of a skew-symmet…