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KÄHLER STRUCTURES AND WEIGHTED ACTIONS ON THE COMPLEX TORUS
Published online by Cambridge University Press: 01 June 2000
Abstract
Let T be the compact real torus, and TC its complexification. Fix an integral weight α, and consider the α-weighted T-action on TC. If ω is a T-invariant Kähler form on TC, it corresponds to a pre-quantum line bundle L over TC. Let Hω be the square-integrable holomorphic sections of L. The weighted T-action lifts to a unitary T-representation on the Hilbert space Hω, and the multiplicity of its irreducible sub-representations is considered. It is shown that this is controlled by the image of the moment map, as well as the principle that ‘quantization commutes with reduction’.
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- Research Article
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- The London Mathematical Society 2000