Hyper-symplectic structures on integrable systems
C. Bartocci, I. Mencattini
Abstract
We prove that an integrable system over a symplectic manifold, whose symplectic form is covariantly constant w.r.t. the Gauss-Manin connection, carries a natural hyper-symplectic structure. Moreover, a special Kaehler structure is induced on the base manifold.
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