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math.SG1999
Centered complexity one Hamiltonian torus actions
Yael Karshon, Susan Tolman
We consider symplectic manifolds with Hamiltonian torus actions which are "almost but not quite completely integrable": the dimension of the torus is one less than half the dimensi…
math.DG1999
Assignments and Abstract Moment Maps
Viktor L. Ginzburg, Victor Guillemin, Yael Karshon
moment maps arise as a generalization of genuine moment maps on symplectic manifolds when the symplectic structure is discarded, but the relation between the mapping and the action…