Bonnet

Pierre Ossian Bonnet

Born: 22 Dec 1819 in Montpellier, France
Died: 22 June 1892 in Paris, France

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Pierre Bonnet did important work on differential geometry and made major contributions introducing the notion of geodesic curvature. A formula for the line integral of the geodesic curvature along a closed curve is known as the Gauss-Bonnet theorem. Gauss published a special case.

References:

  1. Dictionary of Scientific Biography
  2. P Appell, Notice sur la vie et les travaux de Pierre Ossian Bonnet, Comptes rendus de l'Académie des Sciences 117 (1893), 1013-1024. 
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JOC/EFR February 1996