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Classification of multiplicity free quasi-Hamiltonian manifolds
Published 14 Oct 2022 in math.DG, math.AG, math.RT, and math.SG | (2210.07637v2)
Abstract: A quasi-Hamiltonian manifold is called multiplicity free if all of its symplectic reductions are 0-dimensional. In this paper, we classify compact, multiplicity free, twisted quasi-Hamiltonian manifolds for simply connected, compact Lie groups. Thereby, we recover old and find new examples of these structures.
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