On Rees algebras and de Jonquières transformations
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arXiv
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866909710150533120 |
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| author | Weaver, Matthew |
| author_facet | Weaver, Matthew |
| contents | We recall a higher dimension analog of the classic plane de Jonquières transformations, as given by Hassanzadeh and Simis. Such a parameterization defines a birational map from $\mathbb{P}^{n-1}$ to a hypersurface in $\mathbb{P}^{n}$, and a natural question that arises is how to obtain its implicit equation. We pass from the image of this map to its graph, and implicitize the Rees algebra of the ideal of the de Jonquières map when its underlying Cremona support is tame. We then consider the Rees rings of ideals of generalized de Jonquières transformations, and answer a conjecture of Ramos and Simis. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_21355 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On Rees algebras and de Jonquières transformations Weaver, Matthew Commutative Algebra 13A30, 14E05 We recall a higher dimension analog of the classic plane de Jonquières transformations, as given by Hassanzadeh and Simis. Such a parameterization defines a birational map from $\mathbb{P}^{n-1}$ to a hypersurface in $\mathbb{P}^{n}$, and a natural question that arises is how to obtain its implicit equation. We pass from the image of this map to its graph, and implicitize the Rees algebra of the ideal of the de Jonquières map when its underlying Cremona support is tame. We then consider the Rees rings of ideals of generalized de Jonquières transformations, and answer a conjecture of Ramos and Simis. |
| title | On Rees algebras and de Jonquières transformations |
| topic | Commutative Algebra 13A30, 14E05 |
| url | https://arxiv.org/abs/2507.21355 |