Classification of low degree del Pezzo orbifolds
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arXiv
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866911406030323712 |
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| author | Dandapat, Saptarshi |
| author_facet | Dandapat, Saptarshi |
| contents | In this paper we classify low degree del Pezzo orbifolds with irreducible boundaries. In order to achieve desired boundaries, we classify low degree curves on low degree del Pezzo surfaces. The notion of Campana orbifolds was introduced by Campana in 2004. A del Pezzo orbifold is a Campana orbifold whose underlying surface is a del Pezzo surface. The classification is elementary applications of adjunction formula, Riemann-Roch theorem, Hodge Index theorem and Kawamata-Viehweg vanishing theorem. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_21456 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Classification of low degree del Pezzo orbifolds Dandapat, Saptarshi Algebraic Geometry In this paper we classify low degree del Pezzo orbifolds with irreducible boundaries. In order to achieve desired boundaries, we classify low degree curves on low degree del Pezzo surfaces. The notion of Campana orbifolds was introduced by Campana in 2004. A del Pezzo orbifold is a Campana orbifold whose underlying surface is a del Pezzo surface. The classification is elementary applications of adjunction formula, Riemann-Roch theorem, Hodge Index theorem and Kawamata-Viehweg vanishing theorem. |
| title | Classification of low degree del Pezzo orbifolds |
| topic | Algebraic Geometry |
| url | https://arxiv.org/abs/2601.21456 |