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  1. 4 de jul. de 2022 · The first publication on the subject of non-Euclidean geometry was ‘On the Origins of Geometry’ by the Russian mathematician Nikolai Lobachevsky [10]. In this work, he considered the Fifth Postulate an arbitrary limitation and proposed an alternative one, that more than one line can pass through a point that is parallel to a given one.

  2. Lobachevsky, Nikolaiivanovich. ( b. Nizhni Novgorod [now Gorki], Russia, 2 December 1792; d. Kazan, Russia, 24 February 1856) mathematics. Lobachevsky was the son of Ivan Maksimovich Lobachevsky, a clerk in a land-surveying office, and Praskovia Aleksandrovna Lobachevskaya. In about 1800 the mother moved with her three sons to Kazan, where ...

  3. Nikolai Lobachevsky. Estudou no Instituto de Cazã, a partir de 1802, destacando-se, desde cedo, por seu pendor pela matemática. Aos 14 anos estava preparado para ingressar na Universidade de Cazã, recentemente fundada, iniciando seus estudos superiores em 1807. Passou quarenta anos de sua vida ligado a essa universidade, como aluno ...

  4. Nikolai Ivanovich Lobachevsky ; 1 December 1856) was a Russian mathematician and geometer, known primarily for his work on hyperbolic geometry, otherwise known as Lobachevskian geometry, and also for his fundamental study on Dirichlet integrals, known as the Lobachevsky integral formula.

  5. Nikolai Lobachevsky (1792-1856), a professor at the University of Kazan on the fringes of Siberia, was not to be so easily discouraged. His non-Euclidean geometry was the first in print, appearing in the Kazan Messenger in 1829. It was very similar to that of Bolyai, who was completely unknown to Lobachevsky.

  6. Bartels also noticed the talented young man; he tutored Lobachevsky four extra hours a week at home, and had Nikolai helped him with students who had difficulties in class. Bartels efforts paid off in full – Lobachevsky adored him as a professor and became an excellent mathematician – he no longer solved only the problems his teacher gave him, but tried to make his own discoveries.

  7. 1 de dez. de 2015 · On this date in 1792, Nikolai Ivanovich Lobachevsky was born in Nizhny Novgorod in the Russian Empire. Lobachevsky earned his degree and then became a professor at Kazan University where he taught math, physics, and astronomy. He is most well known for his development of a non-Euclidean geometry. In his hyperbolic geometry, the primary difference from Euclidean geometry is the postulate that ...