Symplectic manifolds and cohomological decomposition
Angella, Daniele · Tomassini, Adriano
Original · EN
Given a closed symplectic manifold, we study when the Lefschetz decomposition induced by the sl(2;R)-representation yields a decomposition of the de Rham cohomology. In particular, this holds always true for the second de Rham cohomology group, or if the symplectic manifold satisfies the Hard Lefschetz Condition.
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