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1 dzień temu · In differential geometry, a Riemannian manifold (or Riemannian space) (,), so called after the German mathematician Bernhard Riemann, is a real, smooth manifold equipped with a smoothly-varying family of positive-definite inner products on the tangent spaces at each point .. The family of inner products is called a Riemannian metric (or a Riemannian metric tensor, or just a metric).
1 dzień temu · Basic properties. An infinite series or simply a series is an infinite sum, represented by an infinite expression of the form + + +, where () is any ordered sequence of terms, such as numbers, functions, or anything else that can be added (an abelian group).This is an expression that is obtained from the list of terms ,, … by laying them side by side, and conjoining them with the symbol "+".
1 dzień temu · Johann Carl Friedrich Gauss (German: Gauß [kaʁl ˈfʁiːdʁɪç ˈɡaʊs] ⓘ; Latin: Carolus Fridericus Gauss; 30 April 1777 – 23 February 1855) was a German mathematician, astronomer, geodesist, and physicist who contributed to many fields in mathematics and science. He was director of the Göttingen Observatory and professor of astronomy from 1807 until his death in 1855.
