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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2405.10898 |
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| _version_ | 1866914800664051712 |
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| author | Némethi, András Veys, Willem |
| author_facet | Némethi, András Veys, Willem |
| contents | We fix a complex analytic normal singularity germ $(X,o)$ of dimension $\geq 2$ and a (not necessarily irreducible) reduced Weil divisor $(S,o)\subset (X,o)$. The embedded resolution of the pair determines a multi-index filtration of the local ring $\mathcal{O}_{X,o}$, which measures the embedded geometry of the pair. Furthermore, from the (induced) resolution of $(S,o)$ we also consider a multi-index filtration associated with $(S,o)$. This latter one can be lifted to a filtration of $\mathcal{O}_{X,o}$ too. The main result proves that the second filtration of $\mathcal{O}_{X,o}$ can be realized as a `limit' filtration of the first one (if we blow up certain centers sufficiently many times). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_10898 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Filtrations associated with singularities Némethi, András Veys, Willem Algebraic Geometry Complex Variables We fix a complex analytic normal singularity germ $(X,o)$ of dimension $\geq 2$ and a (not necessarily irreducible) reduced Weil divisor $(S,o)\subset (X,o)$. The embedded resolution of the pair determines a multi-index filtration of the local ring $\mathcal{O}_{X,o}$, which measures the embedded geometry of the pair. Furthermore, from the (induced) resolution of $(S,o)$ we also consider a multi-index filtration associated with $(S,o)$. This latter one can be lifted to a filtration of $\mathcal{O}_{X,o}$ too. The main result proves that the second filtration of $\mathcal{O}_{X,o}$ can be realized as a `limit' filtration of the first one (if we blow up certain centers sufficiently many times). |
| title | Filtrations associated with singularities |
| topic | Algebraic Geometry Complex Variables |
| url | https://arxiv.org/abs/2405.10898 |