Please use this identifier to cite or link to this item: http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/6708
Title: A ruled residue theorem for function fields of conics
Authors: GUPTA, PARUL
Becher, Karim Johannes
Dept. of Mathematics
Keywords: Mathematics
2021
Issue Date: Jun-2021
Publisher: Elsevier B.V.
Citation: Journal of Pure and Applied Algebra, 225(6), 106638.
Abstract: The ruled residue theorem characterises residue field extensions for valuations on a rational function field. Under the assumption that the characteristic of the residue field is different from 2 this theorem is extended here to function fields of conics. The main result is that there is at most one extension of a valuation on the base field to the function field of a conic for which the residue field extension is transcendental but not ruled. Furthermore the situation when this valuation is present is characterised.
URI: https://doi.org/10.1016/j.jpaa.2020.106638
http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/6708
ISSN: 0022-4049
Appears in Collections:JOURNAL ARTICLES

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