Boucksom-Zariski and Weyl chambers on irreducible holomorphic symplectic manifolds
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arXiv
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| Format: | Preprint |
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2021
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| _version_ | 1866917829237800960 |
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| author | Denisi, Francesco Antonio |
| author_facet | Denisi, Francesco Antonio |
| contents | Inspired by the work of Bauer, Küronya, and Szemberg, we provide for the big cone of a projective irreducible holomorphic symplectic (IHS) manifold a decomposition into chambers (which we describe in detail), in each of which the support of the negative part of the divisorial Zariski decomposition is constant. We see how the obtained decomposition of the big cone allows us to describe the volume function. Moreover, similarly to the case of surfaces, we see that the big cone of a projective IHS manifold admits a decomposition into simple Weyl chambers, which we compare to that induced by the divisorial Zariski decomposition. To conclude, we determine the structure of the pseudo-effective cone. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2106_03678 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Boucksom-Zariski and Weyl chambers on irreducible holomorphic symplectic manifolds Denisi, Francesco Antonio Algebraic Geometry Inspired by the work of Bauer, Küronya, and Szemberg, we provide for the big cone of a projective irreducible holomorphic symplectic (IHS) manifold a decomposition into chambers (which we describe in detail), in each of which the support of the negative part of the divisorial Zariski decomposition is constant. We see how the obtained decomposition of the big cone allows us to describe the volume function. Moreover, similarly to the case of surfaces, we see that the big cone of a projective IHS manifold admits a decomposition into simple Weyl chambers, which we compare to that induced by the divisorial Zariski decomposition. To conclude, we determine the structure of the pseudo-effective cone. |
| title | Boucksom-Zariski and Weyl chambers on irreducible holomorphic symplectic manifolds |
| topic | Algebraic Geometry |
| url | https://arxiv.org/abs/2106.03678 |