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Quantization of abelian varieties: Distributional sections and the transition from Kähler to real polarizations

By Thomas Baier, José M. Mourão and João P. Nunes


AbstractWe study the dependence of geometric quantization of the standard symplectic torus on the choice of invariant polarization. Real and mixed polarizations are interpreted as degenerate complex structures. Using a weak version of the equations of covariant constancy, and the Weil–Brezin expansion to describe distributional sections, we give a unified analytical description of the quantization spaces for all non-negative polarizations. The Blattner–Kostant–Sternberg (BKS) pairing maps between half-form corrected quantization spaces for different polarizations are shown to be transitive and related to an action of Sp(2g,R). Moreover, these maps are shown to be unitary

Publisher: Elsevier Inc.
Year: 2010
DOI identifier: 10.1016/j.jfa.2010.01.023
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