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An affine sphere is a concept from differential geometry that relates to a certain class of surfaces in affine geometry. Specifically, an affine sphere is a surface in an affine space (a geometric setting that generalizes the properties of Euclidean spaces without the need for a fixed origin or notion of distance) that has the property that the one-parameter family of tangent planes at each point has a constant affine mean curvature. To elaborate, the affine mean curvature is a measure of how the surface bends in space.

Ancestors (6)

  1. Differential geometry
  2. Mathematical physics
  3. Applied mathematics
  4. Fields of mathematics
  5. Mathematics
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