Convergence of Rees valuations of sequences of one-fibered domains (Q2417791)
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| Language | Label | Description | Also known as |
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| English | Convergence of Rees valuations of sequences of one-fibered domains |
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Convergence of Rees valuations of sequences of one-fibered domains (English)
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29 May 2019
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Let \(\{(R_n, \mathbf{m}_n)\}_{n \geq 0}\) be an infinite sequence of normalized local quadratic transforms of analytically unramified Noetherian local domains whose maximal ideals \(\mathbf{m}_n\) are one-fibered and let \(v_n\) be the unique Rees valuation of \(\mathbf{m}_n\). In this paper the author showed that the sequence \(\{v_n\}_{n \geq 0}\) converges. Note that every regular local ring is analytically unramified, every local quadratic transform of a regular local ring is normal, and every regular local ring \((R, \mathbf{m})\) is one-fibered with Rees \(\mathbf{m} = \{\mathrm{ord}_R\}\). Thus, this extends a result of [\textit{W. Heinzer} et al., J. Algebra 474, 213--239 (2017; Zbl 1365.13036)] that if \(\{(R_n, \mathbf{m}_n)\}_{n \geq 0}\) is an infinite sequence of local quadratic transforms of regular local rings, then the order valuations converges.
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quadratic transforms
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Rees valuations
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limits of valuations
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