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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Elementarily equivalent fields with inequivalent perfect closures
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by Carlos R. Videla PDF
Proc. Amer. Math. Soc. 99 (1987), 171-175 Request permission

Abstract:

We give a counterexample to the following conjecture due to L. V. den Dries: Let $F,L$ be two fields of characteristic $p$. If $F \equiv L$ then ${F^1}/{p^\infty } \equiv {L^1}/{p^\infty }$.
References
  • G. L. Cherlin, Definability in power series rings of nonzero characteristic, Models and sets (Aachen, 1983) Lecture Notes in Math., vol. 1103, Springer, Berlin, 1984, pp. 102–112. MR 775690, DOI 10.1007/BFb0099383
  • I. R. Shafarevich, Basic algebraic geometry, Springer Study Edition, Springer-Verlag, Berlin-New York, 1977. Translated from the Russian by K. A. Hirsch; Revised printing of Grundlehren der mathematischen Wissenschaften, Vol. 213, 1974. MR 0447223
  • L. Van den Dries, Model theory of fields, Thesis, Utrecht 1978, Stellingen 4.
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Additional Information
  • © Copyright 1987 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 99 (1987), 171-175
  • MSC: Primary 12L12; Secondary 03C60, 12F99
  • DOI: https://doi.org/10.1090/S0002-9939-1987-0866447-8
  • MathSciNet review: 866447