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Bernhard Riemann and Nikoai Lobachevski

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Q: Which mathematicians helped to discover alternatives to Euclidean geometry in the 19th century?
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Related questions

What mathematicians helped to discover alternatives to euclidean geometry in the nineteenth century?

Nikolai Lobachevsky and Bernhard Riemann


Which mathematicians helped to discover alternatives to Euclidean geometry in the nineteenth century?

nikolay lobachevsky and Bernhard Riemann Apex! :)


Which mathematicians helped to discover alternatives to eucildean geometry in the 19th century?

Bernhard Riemann Nikolai Lobachevsky


Do Mathematicians accept non Euclidean geometry as another valid type of geometry?

YES


Does a line go on forever in both directions?

In Euclidean geometry, yes.In Euclidean geometry, yes.In Euclidean geometry, yes.In Euclidean geometry, yes.


What is a characteristic of Euclidean geometry?

One main characteristic of non-Euclidean geometry is hyperbolic geometry. The other is elliptic geometry. Non-Euclidean geometry is still closely related to Euclidean geometry.


What is a characteristic of non-euclidean geometry?

One main characteristic of non-Euclidean geometry is hyperbolic geometry. The other is elliptic geometry. Non-Euclidean geometry is still closely related to Euclidean geometry.


What are the similarities in non euclidean and euclidean geometry?

both the geometry are not related to the modern geometry


What is equiform geometry?

The geometry of similarity in the Euclidean plane or Euclidean space.


Famous geometers and their contributions in geometry?

Archimedes - Euclidean geometry Pierre Ossian Bonnet - differential geometry Brahmagupta - Euclidean geometry, cyclic quadrilaterals Raoul Bricard - descriptive geometry Henri Brocard - Brocard points.. Giovanni Ceva - Euclidean geometry Shiing-Shen Chern - differential geometry René Descartes - invented the methodology analytic geometry Joseph Diaz Gergonne - projective geometry; Gergonne point Girard Desargues - projective geometry; Desargues' theorem Eratosthenes - Euclidean geometry Euclid - Elements, Euclidean geometry Leonhard Euler - Euler's Law Katyayana - Euclidean geometry Nikolai Ivanovich Lobachevsky - non-Euclidean geometry Omar Khayyam - algebraic geometry, conic sections Blaise Pascal - projective geometry Pappus of Alexandria - Euclidean geometry, projective geometry Pythagoras - Euclidean geometry Bernhard Riemann - non-Euclidean geometry Giovanni Gerolamo Saccheri - non-Euclidean geometry Oswald Veblen - projective geometry, differential geometry


What is the difference between Euclidean Geometry and non-Euclidean Geometry?

In Euclidean geometry parallel lines are always the same distance apart. In non-Euclidean geometry parallel lines are not what we think of a parallel. They curve away from or toward each other. Said another way, in Euclidean geometry parallel lines can never cross. In non-Euclidean geometry they can.


Different types of geometry?

Euclidean geometry, non euclidean geometry. Plane geometry. Three dimensional geometry to name but a few