71 citations · 572 across the 56 of their papers we have counts for
Showing 2005 · math.SGShow all
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math.SG2005
Groupoids, branched manifolds and multisections
Dusa McDuff
Cieliebak, Mundet i Riera and Salamon recently formulated a definition of branched submanifold of Euclidean space in connection with their discussion of multivalued sections and th…
math.SG2005★ 4 cited
On nearly semifree circle actions
Dusa McDuff, Susan Tolman
Recall that an effective circle action is semifree if the stabilizer subgroup of each point is connected. We show that if $(M, \om)$ is a coadjoint orbit of a compact Lie group …
math.SG2005
Enlarging the Hamiltonian group
Dusa McDuff
This paper investigates ways to enlarge the Hamiltonian subgroup Ham of the symplectomorphism group Symp(M) of the symplectic manifold (M, ω) to a group that both intersects every…