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November 11 Vacuum Field Equations

Einstein refined his field equations under a trace condition and showed how the revised framework could approach fully covariant gravitation in regions outside matter.

Albert Einstein lecturing in Vienna in 1921
Albert Einstein lecturing in Vienna, 1921. Photograph by Ferdinand Schmutzer — public domain. Wikimedia Commons source.
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November 11 Vacuum Field Equations

11 November 1915 · Berlin · Germany · Physics

Einstein refined his field equations under a trace condition and showed how the revised framework could approach fully covariant gravitation in regions outside matter.