Lobachevsky, Nikolay (Ivanovich)

born , Dec. 1, 1792, Nizhny Novgorod, Russia
died Feb. 24, 1856, Kazan

Russian mathematician.

His entire life centred around the University of Kazan, where he studied and later (from 1816) taught. In 1829 he published his groundbreaking theory, a geometry that rejected Euclid's parallel postulate. It was the final solution to a problem that had baffled mathematicians for 2,000 years. Lobachevsky also did distinguished work in the theory of infinite series, especially trigonometric series, as well as in integral calculus, algebra, and probability. He was largely ignored during his lifetime; acceptance of his new geometry came a decade after his death, though much of the credit went to others. With Bolyai János of Hungary (1802–60), Lobachevsky is considered the founder of non-Euclidean geometry.

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Universalium. 2010.

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  • Ivanovich — (as used in expressions) Alferov Zhores Ivanovich Bukharin Nikolay Ivanovich Chaliapin Feodor Ivanovich Chuikov Vasily Ivanovich Denikin Anton Ivanovich Fyodor Ivanovich Glinka Mikhail Ivanovich Guchkov Aleksandr Ivanovich Herzen Aleksandr… …   Universalium

  • Nikolay — (as used in expressions) Nikolay Nikolayevich Bukharin Nikolay Ivanovich Bulganin Nikolay Aleksandrovich Chernyshevsky Nikolay Gavrilovich Danilevsky Nikolay Yakovlevich Giers Nikolay Karlovich Gogol Nikolay Vasilyevich Ignatyev Nikolay Pavlovich …   Universalium

  • Lobachevsky — biographical name Nikolay Ivanovich 1792 1856 Russian mathematician …   New Collegiate Dictionary

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