Eugenio Beltrami (1835–1900) was an Italian mathematician known for his contributions to differential geometry and mathematical physics. He is particularly recognized for his work on non-Euclidean geometries, especially the development of models for hyperbolic geometry. Beltrami's work helped to provide a rigorous foundation for the theories established by mathematicians such as Nikolai Lobachevsky and János Bolyai, who independently developed hyperbolic geometry.
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