Two-primary algebraic \(K\)-theory of two-regular number fields (Q1968577)
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scientific article; zbMATH DE number 1419357
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Two-primary algebraic \(K\)-theory of two-regular number fields |
scientific article; zbMATH DE number 1419357 |
Statements
Two-primary algebraic \(K\)-theory of two-regular number fields (English)
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21 August 2000
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In the paper ``Two-primary algebraic \(K\)-theory of rings of integers in number fields'' [J. Am. Math. Soc. 13, No. 1, 1-54 (2000; Zbl 0934.19001)], \textit{J. Rognes} and \textit{C. Weibel} expressed the \(2\)-primary algebraic \(K\)-groups of rings of integers in arbitrary number fields in terms of the étale cohomology groups of the number ring, using Voevodsky's proof of the Milnor conjecture and the Bloch-Lichtenbaum spectral sequence. Based upon these results, the authors of the paper under review explicitly calculate all the \(2\)-primary higher algebraic \(K\)-groups of the rings of integers of all \(2\)-regular quadratic number fields, cyclotomic number fields, or maximal real subfields of such. Here \(2\)-regular means that \((2)\) does not split in the number field, and its narrow Picard group is of odd order.
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two-regular number fields
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narrow Picard group
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higher \(K\)-groups
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étale cohomology
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zeta function
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0.94866294
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0.9405412
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0.93874764
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0.9375969
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0.9203209
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0.91061276
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0.90883803
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0.9077439
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