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projective geometry

(Encyclopedia) projective geometry, branch of geometry concerned with those properties of geometric figures that remain invariant under projection. The basic elements are points, lines, and planes,…

analytic geometry

(Encyclopedia) analytic geometry, branch of geometry in which points are represented with respect to a coordinate system, such as Cartesian coordinates, and in which the approach to geometric…

Monge, Gaspard, comte de Péluse

(Encyclopedia) Monge, Gaspard, comte de PéluseMonge, Gaspard, comte de Pélusegäspärˈ môNzh kôNt də pālüzˈ [key], 1746–1818, French mathematician, physicist, and public official. He was distinguished…

differential geometry

(Encyclopedia) differential geometry, branch of geometry in which the concepts of the calculus are applied to curves, surfaces, and other geometric entities. The approach in classical differential…

Geometry

Geometry Geometry: A Formal Introduction Geometry: A Solid Foundation: Definitions, Postulates, and Theorems Geometry: Anatomy of a Circle Geometry: And the Rest Geometry: Answer Key Geometry:…

Geometry: Non-Euclidean Geometry

Non-Euclidean GeometryGeometryWhose Geometry Is It Anyway?Non-Euclidean GeometryHyperbolic Geometry: Saddle Up!Spherical GeometryTaxi-Cab GeometryMax GeometryHow Many Shapes Can a Circle Have?…

Geometry: Taxi-Cab Geometry

Taxi-Cab GeometryGeometryWhose Geometry Is It Anyway?Non-Euclidean GeometryHyperbolic Geometry: Saddle Up!Spherical GeometryTaxi-Cab GeometryMax GeometryHow Many Shapes Can a Circle Have? Taxi-cab…

Geometry: Whose Geometry Is It Anyway?

Whose Geometry Is It Anyway?GeometryWhose Geometry Is It Anyway?Non-Euclidean GeometryHyperbolic Geometry: Saddle Up!Spherical GeometryTaxi-Cab GeometryMax GeometryHow Many Shapes Can a Circle Have…

Chern, Shiing-Shen

(Encyclopedia) Chern, Shiing-Shen, 1911–2004, Chinese-American mathematician, b. Kashing (now Jiaxing), China, D.Sc. Hamburg, 1936. While undertaking graduate studies in China (1932–34), Chern…

Darboux, Jean Gaston

(Encyclopedia) Darboux, Jean GastonDarboux, Jean GastonzhäN gästôNˈ därb&oomacr;ˈ [key], 1842–1917, French mathematician. He is known for his work on orthogonal surfaces and for his application…