Gravity and electricity by Hermann Weyl (1918) by
Ciro Santilli 32 Updated 2024-09-07 Created 1970-01-01
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Published on the session reports of the Royal Prussian Academy of Sciences at Berlin 1918 page 464.
Is about Maxwell's equations in curved spacetime, and notably introduces gauge theory.
Viewable for free at: archive.org/details/mobot31753002089727/page/464/mode/2up.