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The Pfaffian line bundle

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Abstract

We analyze the holomorphic Pfaffian line bundle defined over an infinite dimensional isotropic Grassmannian manifold. Using the infinite dimensional relative Pfaffian, we produce a Fock space structure on the space of holomorphic sections of the dual of this bundle. On this Fock space, an explicit and rigorous construction of the spin representations of the loop groupsLO n is given. We also discuss and prove some facts about the connection between the Pfaffian line bundle over the Grassmannian and the Pfaffian line bundle of a Dirac operator.

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Authors and Affiliations

  1. Department of Physics, Harvard University, 02138, Cambridge, MA, USA

    David Borthwick

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  1. David Borthwick
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Communicated by A. Jaffe

Supported by a National Science Foundation Graduate Fellowship

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Borthwick, D. The Pfaffian line bundle. Commun.Math. Phys. 149, 463–493 (1992). https://doi.org/10.1007/BF02096939

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  • DOI: https://doi.org/10.1007/BF02096939

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