Symbol length and stability index

dc.contributor.authorBecher, Karim Johannes
dc.contributor.authorGładki, Pawełdeu
dc.date.accessioned2012-03-01T14:13:13Zdeu
dc.date.available2013-04-14T22:25:04Zdeu
dc.date.issued2012
dc.description.abstractWe show that a Pythagorean field (more generally, a reduced abstract Witt ring) has finite stability index if and only if it has finite 2-symbol length. We give explicit bounds for the two invariants in terms of one another. To approach the question whether those bounds are optimal we consider examples of Pythagorean fields.eng
dc.description.versionpublished
dc.identifier.citationFirst publ. in: Journal of algebra ; 354 (2012), 1. - S. 71-76deu
dc.identifier.doi10.1016/j.jalgebra.2011.12.027deu
dc.identifier.ppn363182071deu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/18698
dc.language.isoengdeu
dc.legacy.dateIssued2012-03-01deu
dc.rightsterms-of-usedeu
dc.rights.urihttps://rightsstatements.org/page/InC/1.0/deu
dc.subjectSymbol lengthdeu
dc.subjectStability indexdeu
dc.subjectQuadratic formsdeu
dc.subjectPythagorean fieldsdeu
dc.subjectAbstract Witt ringdeu
dc.subjectMilnor K-theorydeu
dc.subject.ddc510deu
dc.subject.msc11E04, 11E10, 11E81deu
dc.titleSymbol length and stability indexeng
dc.typeJOURNAL_ARTICLEdeu
dspace.entity.typePublication
kops.citation.bibtex
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  doi={10.1016/j.jalgebra.2011.12.027},
  title={Symbol length and stability index},
  number={1},
  volume={354},
  issn={0021-8693},
  journal={Journal of Algebra},
  pages={71--76},
  author={Becher, Karim Johannes and Gładki, Paweł}
}
kops.citation.iso690BECHER, Karim Johannes, Paweł GŁADKI, 2012. Symbol length and stability index. In: Journal of Algebra. 2012, 354(1), pp. 71-76. ISSN 0021-8693. Available under: doi: 10.1016/j.jalgebra.2011.12.027deu
kops.citation.iso690BECHER, Karim Johannes, Paweł GŁADKI, 2012. Symbol length and stability index. In: Journal of Algebra. 2012, 354(1), pp. 71-76. ISSN 0021-8693. Available under: doi: 10.1016/j.jalgebra.2011.12.027eng
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kops.sourcefieldJournal of Algebra. 2012, <b>354</b>(1), pp. 71-76. ISSN 0021-8693. Available under: doi: 10.1016/j.jalgebra.2011.12.027deu
kops.sourcefield.plainJournal of Algebra. 2012, 354(1), pp. 71-76. ISSN 0021-8693. Available under: doi: 10.1016/j.jalgebra.2011.12.027deu
kops.sourcefield.plainJournal of Algebra. 2012, 354(1), pp. 71-76. ISSN 0021-8693. Available under: doi: 10.1016/j.jalgebra.2011.12.027eng
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