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math.DG2000
Lifts of smooth group actions to line bundles
Ignasi Mundet i Riera
Let X be a compact manifold with a smooth action of a compact connected Lie group G. Let be a complex line bundle. Using the Cartan complex for equivariant cohomology, we…
math.SG2000
Hamiltonian Gromov-Witten invariants
Ignasi Mundet i Riera
In this paper we introduce invariants of semi-free Hamiltonian actions of $S\sp 1$ on compact symplectic manifolds (which satisfy some technical conditions related to positivity) u…