Nikolai Ivanovich Lobachevsky (Russian: Никола́й Ива́нович Лобаче́вский, IPA: [nʲikɐˈlaj ɪˈvanəvʲɪtɕ ləbɐˈtɕɛfskʲɪj] ; 1 December [O.S. 20 November] 1792...

geometry, named after one of its discoverers, the Russian geometer Nikolai Lobachevsky. This page is mainly about the 2-dimensional (planar) hyperbolic...

education institution in Russia. Founder of non-Euclidean geometry Nikolai Ivanovich Lobachevsky served there as the rector from 1827 until 1846. In 1925, the...

politician Nikolai Kulemin (born 1986), Russian ice hockey winger Nikolai Lobachevsky (1792–1856), Russian mathematician and geometer Nikolai Lukashenko...

non-Euclidean geometry in the history of mathematics were authored by Nikolai Lobachevsky in 1829 and Janos Bolyai in 1832. In the following years, Gauss wrote...

(1789–1857) August Ferdinand Möbius (1790–1868) – Euclidean geometry Nikolai Ivanovich Lobachevsky (1792–1856) – hyperbolic geometry, a non-Euclidean geometry...

Nikolai Lobachevsky (1792–1856) was a Russian mathematician. Lobachevsky (Лобачевский ; also Lobachevskij and Lobachevskiy; feminine: Lobachevskaya), a...

State University, are mathematical awards in honor of Nikolai Ivanovich Lobachevsky. The Lobachevsky Prize was established in 1896 by the Kazan Physical...

Euclidean geometry. Then, in 1829–1830 the Russian mathematician Nikolai Ivanovich Lobachevsky and in 1832 the Hungarian mathematician János Bolyai separately...

four, but they never succeeded. Eventually in 1829, mathematician Nikolai Lobachevsky published a description of acute geometry (or hyperbolic geometry)...