bibkey: stewarttall2025algebraic authors: Ian Stewart and David Tall year: 2025 title: Algebraic Number Theory and Fermat’s Last Theorem doi: 10.1201/9781003462002 claim: The golden integer ring, its quadratic conjugation, and integral trace and norm. strata_touched:

• D5/S0/Carrier/AlgebraicModel license: citation-only triage: anchor

Algebraic Number Theory and Fermat’s Last Theorem

Ian Stewart and David Tall’s fifth edition supplies the algebraic-number-theory context for the golden integer ring, including the ring of integers generated by the golden number and the conjugation, trace, and norm operations used by the formal coordinate model.

Search log

• 2026-07-16: Queried NyxID/Tavily for golden integers Z[t]/(t^2-t-1) conjugation trace norm DOI algebraic number theory. Results exposed independent algebraic-number-theory notes identifying the ring of integers of the real quadratic field and the fifth-edition text’s treatment of the golden ring together with general trace and norm.
• 2026-07-16: Queried Algebraic Number Theory and Fermat s Last Theorem 5th edition DOI 10.1201 9781003462002 golden number Z tau. The results identified Ian Stewart and David Tall, the fifth edition, the ebook ISBN, the golden ring discussion, and DOI 10.1201/9781003462002.
• 2026-07-16: Queried site:taylorfrancis.com 10.1201/9781003462002 Ian Stewart David Tall fifth edition. The publisher result verified the title, authors, fifth edition, Chapman and Hall/CRC imprint, and 7 February 2025 publication.

Verified locator

• Taylor & Francis: https://www.taylorfrancis.com/books/mono/10.1201/9781003462002/algebraic-number-theory-fermat-last-theorem-ian-stewart-david-tall
• Google Books: https://books.google.com/books?id=G83S0AEACAAJ