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Singular hermitian metrics on holomorphic vector bundles

Arkiv för Matematik

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Abstract

We introduce and study the notion of singular hermitian metrics on holomorphic vector bundles, following Berndtsson and Păun. We define what it means for such a metric to be positively and negatively curved in the sense of Griffiths and investigate the assumptions needed in order to locally define the curvature Θh as a matrix of currents. We then proceed to show that such metrics can be regularised in such a way that the corresponding curvature tensors converge weakly to Θh. Finally we define what it means for h to be strictly negatively curved in the sense of Nakano and show that it is possible to regularise such metrics with a sequence of smooth, strictly Nakano negative metrics.

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Authors and Affiliations

  1. Department of Mathematics Chalmers Institute of Technology, and University of Gothenburg, SE-412 96, Gothenburg, Sweden

    Hossein Raufi

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  1. Hossein Raufi
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Correspondence to Hossein Raufi.

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Raufi, H. Singular hermitian metrics on holomorphic vector bundles. Ark Mat 53, 359–382 (2015). https://doi.org/10.1007/s11512-015-0212-4

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  • DOI: https://doi.org/10.1007/s11512-015-0212-4

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