Gavin R Putland

Gavin R Putland

PhDThis user has a Doctor of Philosophy degree in Electrical Engineering.

1stThis user has a First-Class Honours degree.

This user has published peer-reviewed articles in academic journals.

A, B, and CThis user prefers the serial comma.

28 November 2024This user supports International Date Format (day month year)

"…"!
US vs. UKThis user uses "logical quotation marks". Forcing internal punctuation leads to factual errors. It's not a nationalistic style issue!

This user is an Australian.
G'day, mate!

This user is a member of the
Orthodox Church.

Sometime engineer, tutor, associate lecturer, postdoctoral research assistant, and research officer for economic NGO.

I am the main author (but usually not the most recent editor) of the articles

• Augustin-Jean Fresnel
• Fermat's principle
• Fresnel rhomb
• Index ellipsoid
• Plane of polarization
• Total internal reflection ,

a major contributor to

• Fresnel equations ,

and a lesser contributor to

• A Dynamical Theory of the Electromagnetic Field
• Fresnel lens.

My debut on Wikisource :

• A. Fresnel (tr./ed. G. R. Putland), Letter to Arago on biaxial birefringence (21 September 1821), Wikisource, April 2021.

My contributions to Wikimedia Commons :

My derivatives/modifications of Wikimedia Commons files:

Works in progress:

• Preprint: "Cut the coordinates! (or Vector Analysis Done Fast)";
• Book:‍ Wave Foundations of Ray Optics ;
• Book:‍ Fresnel, On Light, bicentenary English edition ;
• List of English translations of works by Augustin Fresnel  (so far, I am responsible for eight of them).

Other external links:

• G. R. Putland, "No integration-by-parts, no l'Hôpital, some telescoping", in "Simplest proof of Taylor's theorem", Math Stack Exchange, February 2024;
• G. R. Putland, "Flawed proofs of the unambiguity of the determinant as defined by cofactor expansions", WikiJournal Preprints, 27 January 2024 —
• G. R. Putland, "Trigonometric proof of vector triple product expansion", Math Stack Exchange, January 2024;
• G. R. Putland, "Stirling's approximation: Can we make it obvious?", Math Stack Exchange, ed. October 2023;
• G. R. Putland, "The unreasonable effectiveness of the cathetus rule in ancient and modern optics", WikiJournal Preprints, 6 May 2023 —
• G. R. Putland, "Consistent derivation of Kirchhoff's integral theorem and diffraction formula and the Maggi-Rubinowicz transformation using high-school math", Zenodo: 7205781 / doi:10.5281/zenodo.7205781, 19 December 2022;
• G. R. Putland, "Full conjugations of nearly all French verbs in one page", Zenodo: 4662833 / doi:10.5281/zenodo.4662833, 5 April 2021 —
• H. A. Lorentz (tr. G. R. Putland), "Centenary of Augustin Fresnel" (1927), Zenodo: 3935795 / doi:10.5281/zenodo.3935795, 8 July 2020 —
• G. R. Putland (ed.), "H. A. Lorentz on the equivalence of Huygens' construction and Fermat's principle", Zenodo: 3835134 / doi:10.5281/zenodo.3835134, 20 May 2020;
• G. R. Putland, "A tautological theory of diffraction", Zenodo: 3563468 / doi:10.5281/zenodo.3563468, 5 December 2019;
• G. R. Putland, "The observation by Huygens that should have discredited Newton's 'rule' for the extraordinary refraction of calcite", 8 October 2016 – 24 May 2018  (Archived 26 June 2017 at the Wayback Machine);
• G. R. Putland, "Errata in various editions of Huygens' Treatise on Light", 7 June 2016 —

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