Culture – Leen Noordzij

23 Mar 2026Leen NoordzijLeave a Comment

Pythagorean Triples, Goldbach’s Conjecture and De Fermat’s Last Theorem Updated 2026-03-23: New §8 Pythagorean Triples and Rational numbers.

23 Mar 202623 Mar 2026Leen NoordzijLeave a Comment

De beginjaren van de THT, een Terugblik An experiment with Liberal Arts at Twente Institute of Technology. Mijn studie en promotie aan de THT 1964-1973. Updated 2026-03-20, enige aanvullingen o.a. “meer kennis dan inzicht”, pag. 21.

6 Mar 2026Leen NoordzijLeave a Comment

Mijn geschiedenis van de haven van Pernis. 1942-1954, de haven, het water en de watersnood. Updated 2026-03-06, artist impressie pag. 33

26 Nov 202526 Nov 2025Leen NoordzijLeave a Comment

De Fermat’s Last Theorem and the margin of De Fermat’s Diophantus The emergence of Format’s Last Theorem from Pythagorean Triples Update: 2025-11-26: §4 edited

13 May 202513 May 2025Leen NoordzijLeave a Comment

From De Fermat to Pythagoras and Back. The emergence of Format’s Last Theorem from Pythagorean Triples Updated 2025-05-13 , footnote 4 added Leen Noordzij,

7 Jan 20257 Jan 2025Leen NoordzijLeave a Comment

de Fermat’s Last Theorem in the marginal line of Diophantus. Updated 2025-01-07 Edited and typos

27 Apr 202427 Apr 2024Leen NoordzijLeave a Comment

De Fermat’s Last Theorem, Pythagorean Triples and The Descente Infinie revisited In Search for the Margin of Diophantus 2024-04-27 Edited §2, typos

10 Jan 202310 Jan 2023Leen NoordzijLeave a Comment

History, Culture and Religion Updated 2023-01-10

26 Sep 202226 Sep 2022Leen NoordzijLeave a Comment

A History of Shipping and Propulsion Edited and Updated 2022-09-26 Edited and Chapter 9 Flettner rotors added.

24 Jun 202224 Jun 2022Leen NoordzijLeave a Comment

Transformation, a Business Case. Updated 2022-06-24 Edited, additions, a.o. Courts of Appeal Ruling

dr.l.noordzij@leennoordzij.nl