Fermat's Last Theorem for regular primes

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Best, Alex J., Birkbeck, Christopher ORCID: https://orcid.org/0000-0002-7546-9028, Brasca, Riccardo and Boidi, Eric Rodriguez (2023) Fermat's Last Theorem for regular primes.

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Abstract

We formalise the proof of the first case of Fermat's Last Theorem for regular primes using the \emph{Lean} theorem prover and its mathematical library \emph{mathlib}. This is an important 19th century result that motivated the development of modern algebraic number theory. Besides explaining the mathematics behind this result, we analyze in this paper the difficulties we faced in the formalisation process and how we solved them. For example, we had to deal with a diamond about characteristic zero fields and problems arising from multiple nested coercions related to number fields. We also explain how we integrated our work to \emph{mathlib}.

Item Type:	Article
Additional Information:	Accepted for the 14th International Conference on Interactive Theorem Proving (ITP 2023)
Uncontrolled Keywords:	cs.lo,math.nt,68v20, 03b70,f.4.1
Faculty \ School:	Faculty of Science > School of Mathematics
UEA Research Groups:	Faculty of Science > Research Groups > Algebra and Combinatorics
Related URLs:	http://arxiv.org/pdf/2305.08955v1
Depositing User:	LivePure Connector
Date Deposited:	25 May 2023 10:32
Last Modified:	05 Jun 2023 09:31
URI:	https://ueaeprints.uea.ac.uk/id/eprint/92190
DOI:

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