Kähler geometry on total spaces of vector bundles over elliptic curves
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914152958656512 |
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| author | Wu, Hanyu Yang, Bo |
| author_facet | Wu, Hanyu Yang, Bo |
| contents | We study function theory and Kähler geometry on total spaces of vector bundles on an elliptic curve. For rank two vector bundles of degree zero, we show that any two total spaces are biholomorphic if and only if the corresponding vector bundles are isomorphic. We also construct complete Gauduchon Hermitian metrics with flat Chern-Ricci curvature on these total spaces. These metrics are natural in the sense that the corresponding spaces of holomorphic functions of polynomial growth coincide with `polynomials' on these spaces. Moreover, we characterize all complete Kähler metrics with nonnegative bisectional curvature on total spaces of line bundles over an elliptic curve. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_08906 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Kähler geometry on total spaces of vector bundles over elliptic curves Wu, Hanyu Yang, Bo Differential Geometry 32Q05, 32Q15, 53C55 We study function theory and Kähler geometry on total spaces of vector bundles on an elliptic curve. For rank two vector bundles of degree zero, we show that any two total spaces are biholomorphic if and only if the corresponding vector bundles are isomorphic. We also construct complete Gauduchon Hermitian metrics with flat Chern-Ricci curvature on these total spaces. These metrics are natural in the sense that the corresponding spaces of holomorphic functions of polynomial growth coincide with `polynomials' on these spaces. Moreover, we characterize all complete Kähler metrics with nonnegative bisectional curvature on total spaces of line bundles over an elliptic curve. |
| title | Kähler geometry on total spaces of vector bundles over elliptic curves |
| topic | Differential Geometry 32Q05, 32Q15, 53C55 |
| url | https://arxiv.org/abs/2511.08906 |