We interpret the regularity of a finite and flat extension of a discrete valuation ring in terms of the trace map of the extension.
Trace map and regularity of finite extensions of a DVR / Tonini, Fabio. - In: JOURNAL OF NUMBER THEORY. - ISSN 0022-314X. - ELETTRONICO. - 172:(2017), pp. 133-144. [10.1016/j.jnt.2016.08.019]
Trace map and regularity of finite extensions of a DVR
Tonini, Fabio
2017
Abstract
We interpret the regularity of a finite and flat extension of a discrete valuation ring in terms of the trace map of the extension.
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