Courbes de Fermat et principe de Hasse

Let p≥3 be a prime number. A Fermat curve over Q of exponent p is defined by an equation of the form axp+byp+czp=0, where a, b, c are non-zero rational numbers. We prove in this article that there exist infinitely many Fermat curves defined over Q, of exponent p, pairwise non Q-isomorphic, contradicting the Hasse principle.

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Publication Details

Journal
Acta Arithmetica
Published
2025-11-17
DOI
https://doi.org/10.4064/aa250111-4-8
Primary Topic
History and Theory of Mathematics
Type
article
Field-Weighted Citation Impact
0.00
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article

Courbes de Fermat et principe de Hasse

Alain Kraus
Acta Arithmetica
History and Theory of Mathematics
article

Courbes de Fermat et principe de Hasse

Alain Kraus
article en

Abstract

Let p≥3 be a prime number. A Fermat curve over Q of exponent p is defined by an equation of the form axp+byp+czp=0, where a, b, c are non-zero rational numbers. We prove in this article that there exist infinitely many Fermat curves defined over Q, of exponent p, pairwise non Q-isomorphic, contradicting the Hasse principle.

Acta Arithmetica
Centre National de la Recherche Scientifique (FR), Université Paris Cité (FR), Sorbonne Université (FR), Sorbonne Paris Cité (FR)
Openalex Percentile: Top 83%
History and Theory of Mathematics
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