Word: tensors
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Dates: during 1936-1936
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Professor Elie Joseph Cartan of the University of Paris delivered an important paper on "The Extension of Tensor Analysis to Non-Affine Geometries." Speaking in French, bouncing with animation, gesturing with vehemence, this tanned, fox-bearded little man suggested a new mathematical approach to the great problem of a unified field theory which would embrace both the atom and the universe-a theory for which Professor Einstein has long been the No. i searcher. Roughly speaking, "non-affine" space is undistorted space. Dr. Cartan finds that some of the "vectors" with which Relativists play have a dual existence-in distorted...