Cyclic actions on rational ruled symplectic four-manifolds

Abstract

Let $(M,\omega )$ be a ruled symplectic four-manifold. If $(M,\omega )$ is rational, then every homologically trivial symplectic cyclic action on $(M,\omega )$ is the restriction of a Hamiltonian circle action.

References in corpus (1)

• Homologically trivial symplectic cyclic actions need not extend to Hamiltonian circle actions