Conformal limits for parabolic SL(n,C)-Higgs bundles
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866929551186067456 |
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| author | Collier, Brian Fredrickson, Laura Wentworth, Richard |
| author_facet | Collier, Brian Fredrickson, Laura Wentworth, Richard |
| contents | In this paper we generalize the conformal limit correspondence between Higgs bundles and holomorphic connections to the parabolic setting. Under mild genericity assumptions on the parabolic weights, we prove that the conformal limit always exists and that it defines holomorphic sections of the space of parabolic lambda-connections which preserve a natural stratification and foliate the moduli space. Along the way, we give a careful gauge theoretic construction of the moduli space of parabolic Higgs bundles with full flags which allows the eigenvalues of the residues of the Higgs field to vary. A number of new phenomena arise in the parabolic setting. In particular, in the generality we consider, unlike the nonparabolic case, the nonabelian Hodge correspondence does not define sections of the space of logarithmic lambda-connections, and the conformal limit does not define a one-parameter family in any given moduli space. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2407_16798 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Conformal limits for parabolic SL(n,C)-Higgs bundles Collier, Brian Fredrickson, Laura Wentworth, Richard Differential Geometry Algebraic Geometry Primary: 58D27, Secondary: 14D20, 14D21, 32G13 In this paper we generalize the conformal limit correspondence between Higgs bundles and holomorphic connections to the parabolic setting. Under mild genericity assumptions on the parabolic weights, we prove that the conformal limit always exists and that it defines holomorphic sections of the space of parabolic lambda-connections which preserve a natural stratification and foliate the moduli space. Along the way, we give a careful gauge theoretic construction of the moduli space of parabolic Higgs bundles with full flags which allows the eigenvalues of the residues of the Higgs field to vary. A number of new phenomena arise in the parabolic setting. In particular, in the generality we consider, unlike the nonparabolic case, the nonabelian Hodge correspondence does not define sections of the space of logarithmic lambda-connections, and the conformal limit does not define a one-parameter family in any given moduli space. |
| title | Conformal limits for parabolic SL(n,C)-Higgs bundles |
| topic | Differential Geometry Algebraic Geometry Primary: 58D27, Secondary: 14D20, 14D21, 32G13 |
| url | https://arxiv.org/abs/2407.16798 |