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Curated category

Differential geometry

  • Riemann curvature tensorBernhard Riemann and Elwin Bruno Christoffel stand at the center of this mathematical concept. Their names appear together in the title Riemann, Christoffel…
  • Torsion tensorIn 1923, Élie Cartan introduced the torsion tensor as a vector-valued 2-form derived from an affine connection. This mathematical object measures how a…