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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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Lower bounds for the solutions in the second case of Fermat’s last theorem
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by Mao Hua Le PDF
Proc. Amer. Math. Soc. 111 (1991), 921-923 Request permission

Abstract:

Let $p$ be an odd prime. In this paper, we prove that if $p \equiv 3$ and $x,y,z$ are integers satisfying ${x^p} + {y^p} = {z^p},p|xyz,0 < x < y < z$, then $y > {2^{ - 1/p}}{p^{6p - 2}}$ and $z - x > \tfrac {1}{2}{p^{6p - 3}}$.
References
  • K. Inkeri, Abschätzungen für eventuelle Lösungen der Gleichung im Fermatschen Problem, Ann. Univ. Turkuensis. Ser. A. 16 (1953), no. 1, 9 (German). MR 0058629
  • —, Remarks on Fermat’s equation: The very knowledge of coding, Univ. Turku, Turku, 1987, pp. 82-87.
  • Rudolf Lidl and Harald Niederreiter, Finite fields, Encyclopedia of Mathematics and its Applications, vol. 20, Addison-Wesley Publishing Company, Advanced Book Program, Reading, MA, 1983. With a foreword by P. M. Cohn. MR 746963
  • Paulo Ribenboim, 13 lectures on Fermat’s last theorem, Springer-Verlag, New York-Heidelberg, 1979. MR 551363
  • H. S. Vandiver, A property of cyclotomic integers and its relation to Fermat’s last theorem, Ann. of Math. (2) 21 (1919), no. 2, 73–80. MR 1503604, DOI 10.2307/2007222
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Additional Information
  • © Copyright 1991 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 111 (1991), 921-923
  • MSC: Primary 11D41
  • DOI: https://doi.org/10.1090/S0002-9939-1991-1049137-1
  • MathSciNet review: 1049137