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Award ID contains: 1906403

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  1. ; ; ; (, Geometry & Topology)
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  2. ; (, Mathematical Research Letters)
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  3. ; (, Mathematische Annalen)
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  4. ; (, Calculus of Variations and Partial Differential Equations)
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  5. ; ; ; (, Geometry & Topology)
    null (Ed.)
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  6. ; (, Pure and Applied Mathematics Quarterly)
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  7. ; (, Journal of Differential Geometry)
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  8. ; (, Communications in Mathematical Physics)
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  9. ; (, Advances in Mathematics)
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  10. ; (, International Mathematics Research Notices)
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    Abstract In this paper we determine the spectral data parametrizing Higgs bundles in a generic fiber of the Hitchin map for the case where the structure group is the special Clifford group with fixed Clifford norm. These are spin and “twisted” spin Higgs bundles. The method used relates variations in spectral data with respect to the Hecke transformations for orthogonal bundles introduced by Abe. The explicit description also recovers a result from the geometric Langlands program, which states that the fibers of the Hitchin map are the dual abelian varieties to the corresponding fibers of the moduli spaces of projective orthogonal Higgs bundles (in the even case) and projective symplectic Higgs bundles (in the odd case). 
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