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Symplectic Topology
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What is the symplectic form on a symplectic manifold?
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A
A closed and non-degenerate 2-form.
💡 Explanation:
A symplectic form is a closed and non-degenerate 2-form. This means that it is a 2-form that is closed (i.e., its exterior derivative is zero) and non-degenerate (i.e., it is invertible at every point).