Mathematicians L Both Newton and Leibnitz had Big Hair. lobachevsky nikolai Ivanovich Nikolai Lobachevsky (17921856) was a Russian mathematician who published the http://www.mlahanas.de/Stamps/Data/Mathematician/L.htm
Extractions: Biography Joseph-Louis Lagrange (1736-1813) worked in analysis, number theory, and celestial mechanics. He succeeded Euler at the Academy of Science in Berlin, but then moved on to the Paris Academy of Science. He was a co-founder of the Ecole Polytechnique, where he taught analysis. His major work is Mecanique analytique , applying analytical methods to the subject of mechanics. He didn't like illustrations in his publications Stamp France 1958 Lavrentev is remembered for an outstanding book on conformal mappings and he made many important contributions to that topic. In the 1940s he developed the theory of quasi-conformal mappings which gave a new geometrical approach to partial differential equations. One of the major areas to which he applied this work was to hydrodynamics. The 1940s was a period of industrialization and construction and, after 1945, Lavrentev founded new areas of research in mechanics and applied physics which were aimed at laying the theoretical foundation necessary for the large construction projects of building dams, canals and bridges on the Volga, Dnieper and Don rivers.He also applied the theory of complex variables to other topics, in particular to non-linear waves. Other topics where he made substantial contributions where the theory of sets, the general theory of functions, and the theory of differential equations.
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Nikolai Ivanovich Lobachevsky Nikolai Ivanovich Lobachevsky. Nikolai Ivanovich Lobachevsky (December 1 1792 February 24 1856) was a Russian mathematician. http://www.fact-index.com/n/ni/nikolai_ivanovich_lobachevsky.html
Extractions: Main Page See live article Alphabetical index Nikolai Ivanovich Lobachevsky December 1 February 24 ) was a Russian mathematician Lobachevskii was born in Nizhny Novgorod Russia . His father Ivan Maksimovich Lobachevskii, worked as a clerk in an office which was involved in land surveying while Nikolai Ivanovich's mother was Praskovia Alexandrovna Lobachevskaya. Nikolai Ivanovich was one of three sons in this poor family. When Nikolai Ivanovich was seven years of age his father died and, in , his mother moved with her three sons to the city of Kazan in western Russia on the edge of Siberia . There the boys attended Kazan Gymnasium, financed by government scholarships, with Nikolai Ivanovich entering the school in In Lobachevskii graduated from the Gymnasium and entered the University of Kazan as a free student. Kazan State University had been founded in , the result of one of the many reforms of the emperor Alexander I , and it opened in the following year, only two years before Lobachevskii began his undergraduate career. His original intention was to study medicine but he changed to study a broad scientific course involving mathematics and physics In the first years the atmosphere in the Department was quite favourable. The students were full of enthusiasm. They studied day and night to compensate for lack of knowledge. The professors, mainly invited from
Encyclopedia: Hyperbolic Geometry Nikolay Ivanovich lobachevsky nikolai Ivanovich Lobachevsky (´? ?´?´?) (December 1, 1792 February 24, 1856) was a Russian http://www.nationmaster.com/encyclopedia/Hyperbolic-geometry
Extractions: Related Articles People who viewed "Hyperbolic geometry" also viewed: Hyperbolic space Non_Euclidean geometry Kleinian model Fuchsian model ... Model What's new? Our next offering Latest newsletter Student area Lesson plans Recent Updates Boeing 747 Bodas de sangre Black Leadership Forum Birthday ... More Recent Articles Top Graphs Richest Most Murderous Most Taxed Most Populous ... More Stats Updated 11 hours 44 minutes ago. Other descriptions of Hyperbolic geometry A triangle immersed in a saddle-shape plane, as well as two diverging parallel lines. Hyperbolic geometry , also called saddle geometry or Lobachevskian geometry , is the non-Euclidean geometry obtained by replacing the parallel postulate with the hyperbolic postulate , which states: "Given a line L and any point A not on L , at least two distinct lines exist which pass through A and are parallel to L ." In this case parallel means that the lines do not intersect L , even when extended, rather than that they are a constant distance from L This image needs to be cleaned up to conform to a higher standard of quality. ...
Nikolai Ivanovich Lobachevsky - Wikipedia Translate this page Nikolai Ivanovich Lobachevsky (´? ?´? ´?) (1 de diciembrede 1792 - 24 de febrero de 1856) fue un matemático ruso de finales del siglo http://es.wikipedia.org/wiki/Nikolai_Ivanovich_Lobachevsky
Mad Butcher :: N. I. Lobachevsky Nikolai Ivanovich Lobachevsky my highschool days guru from the dark side ofMatematica. Comments (0). comments. No Comment on this post so far. http://butcher.satyr.nl/permaLink_85304471
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Lobachevsky Biography of nikolai Ivanovich lobachevsky (17921856) nikolai Ivanovichlobachevsky s father Ivan Maksimovich lobachevsky, worked as a clerk in an http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Lobachevsky.html
Extractions: Version for printing Nikolai Ivanovich Lobachevsky 's father Ivan Maksimovich Lobachevsky, worked as a clerk in an office which was involved in land surveying while Nikolai Ivanovich's mother was Praskovia Alexandrovna Lobachevskaya. Nikolai Ivanovich was one of three sons in this poor family. When Nikolai Ivanovich was seven years of age his father died and, in 1800, his mother moved with her three sons to the city of Kazan in western Russia on the edge of Siberia. There the boys attended Kazan Gymnasium , financed by government scholarships, with Nikolai Ivanovich entering the school in 1802. In 1807 Lobachevsky graduated from the Gymnasium and entered Kazan University as a free student. Kazan State University had been founded in 1804, the result of one of the many reforms of the emperor Alexander I, and it opened in the following year, only two years before Lobachevsky began his undergraduate career. His original intention was to study medicine but he changed to study a broad scientific course involving mathematics and physics. Vinberg writes [44]:- In the first years the atmosphere in the Department was quite favourable. The students were full of enthusiasm. They studied day and night to compensate for lack of knowledge. The professors, mainly invited from Germany, turned out to be excellent teachers, which was not common. Lobachevsky was highly successful in all courses he took ...
References For Lobachevsky References for the biography of nikolai Ivanovich lobachevsky. BL Laptev,nikolai Ivanovich Lobachevskii, in Great Soviet Encyclopedia 14 (New York, http://www-groups.dcs.st-and.ac.uk/~history/Printref/Lobachevsky.html
Extractions: R Bonola, Non-Euclidean Geometry F Engel, N I Lobatschewskij: Zwei geometrische Abhandlungen (1898-99) (2 volumes). B V Fedorenko, New documents for the biography of N I Lobachevskii (Russian) (Leningrad, 1988). D A Gudkov, N I Lobachevskii, Biography puzzles (Nizhnii Novgorod, 1992). V F Kagan, Lobachevsky (Moscow- Leningrad, 1948). A G Karimullin and B L Laptev, What N I Lobachevskii read : A list of the books and journals lent to N I Lobachevskii by Kazan University Library (Russian), (Kazan, 1979). G Kasdorf, Lobachevskii, in H Wussing and W Arnold, Biographien bedeutender Mathematiker (Berlin, 1983). T I Kovaleva and N F Filatov, N I Lobachevskii and the Nizhegorod region at the turn of the 18th-19th centuries (Russian) (Nizhnii Novgorod, 1992). A V Vasilev, Nikolai Ivanovich Lobachevskii : 1792-1856 "Nauka'' (Moscow, 1992). Articles:
János Bolyai: Information From Answers.com List of mathematical topics (J), lobachevsky, nikolai Ivanovich (Russianmathematician). Bolyai (crater), culture of Hungary List of Christian scientists http://www.answers.com/topic/j-nos-bolyai
Extractions: showHide_TellMeAbout2('false'); Business Entertainment Games Health ... More... On this page: Encyclopedia Wikipedia Mentioned In Or search: - The Web - Images - News - Blogs - Shopping J¡nos Bolyai Encyclopedia Bolyai bÅ lyoi ) , family of Hungarian mathematicians. The father, Farkas, or Wolfgang, Bolyai, 1775â1856, b. Bolya, Transylvania, was educated in Nagyszeben from 1781 to 1796 and studied in Germany during the next three years at Jena and G¶ttingen, where he began a lifelong friendship with Carl F. Gauss. From 1804 to 1853 he was professor of mathematics at Maros V¡s¡rhely. His primary interest was in the Euclidean parallel postulate. His principal work, the Tentamen (1832â33), inspired by his mathematically gifted son J¡nos, is an attempt at a rigorous and systematic foundation of geometry (Vol. I) and of arithmetic, algebra, and analysis (Vol. II). J¡nos, or Johann, Bolyai, 1802â60, b. Koloszv¡r, Transylvania, was educated by his father in Maros V¡s¡rhely and from 1818 to 1822 in Vienna, where he received military training at the imperial engineering academy. In 1820 he began to work in a direction that ultimately led him to a non-Euclidean geometry. In 1823, after vain attempts to prove the Euclidean parallel postulate, he developed his system by assuming that a geometry could be constructed without the parallel postulate. His theory of absolute space was published as an appendix to his father's Tentamen and constituted the sole work published in his lifetime.
Nikolai Ivanovich Lobachevsky lobachevsky, nikolai Ivanovich, nyikuli evä nuvich lubuchef ske PronunciationKey. lobachevsky, nikolai Ivanovich , 17931856, Russian mathematician. http://www.factmonster.com/ce6/people/A0830085.html
Extractions: Reference Desk Encyclopedia Lobachevsky, Nikolai Ivanovich [nyik u u vich l u b u Pronunciation Key Lobachevsky, Nikolai Ivanovich Geometrical Researches on the Theory of Parallels (originally pub. 1840 in German; tr. 1891, 1914), and a statement of his completed work, (issued 1855 in Russian and French). A graduate of the Univ. of Kazan, he remained there as teacher (1812), professor (1816), and rector (1827). Despite his efficient and devoted service, in 1846 he was relieved by the government of his posts of professor and rector. The Columbia Electronic Encyclopedia, AD AD AD ADS Business Cards Link to Fact Monster Add Fact Monster search ... Privacy
Bolyai nikolai Ivanovich lobachevsky lobachevsky, nikolai Ivanovich , 17931856,Russian mathematician. A pioneer in non-Euclidean geometry Types of http://www.factmonster.com/ce6/people/A0808201.html
Extractions: Reference Desk Encyclopedia Bolyai Pronunciation Key Bolyai , family of Hungarian mathematicians. The father, Farkas, or Wolfgang, Bolyai, Tentamen or Johann, Bolyai, Tentamen and constituted the sole work published in his lifetime. The Columbia Electronic Encyclopedia, AD AD AD ADS Business Cards Link to Fact Monster Add Fact Monster search ... Privacy
Nikolai Ivanovich Lobachevsky lobachevsky, nikolai Ivanovich (17921856) (The Hutchinson Dictionary of ScientificBiography). nikolai Ivanovich lobachevsky (The Hutchinson Encyclopedia) http://www.infoplease.com/ce6/people/A0830085.html
Non-Euclidean Geometry: Hyperbolic Geometry lobachevsky, nikolai Ivanovich (The Columbia Encyclopedia, Sixth Edition).Search HighBeam Research for. Additional search results provided by HighBeam http://www.infoplease.com/ce6/sci/A0860015.html
Extractions: google_ad_client = 'pub-1894504138907931'; google_ad_width = 120; google_ad_height = 240; google_ad_format = '120x240_as'; google_ad_type = 'text'; google_ad_channel =''; google_color_border = ['336699','B4D0DC','DFF2FD','B0E0E6']; google_color_bg = ['FFFFFF','ECF8FF','DFF2FD','FFFFFF']; google_color_link = ['0000FF','0000CC','0000CC','000000']; google_color_url = ['008000','008000','008000','336699']; google_color_text = ['000000','6F6F6F','000000','333333']; Encyclopedia non-Euclidean geometry In hyperbolic geometry the two rays extending out in either direction from a point P and not meeting a line L are considered distinct parallels to L Sections in this article: The Columbia Electronic Encyclopedia
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Lobachevsky, Nikolai Ivanovich (1793-1856) lobachevsky, nikolai Ivanovich (17931856) lobachevsky first announced hissystem in 1826 and subsequently wrote several expositions of it, http://www.daviddarling.info/encyclopedia/L/Lobachevsky.html
Extractions: A Russian mathematician who was one of the pioneers of non-Euclidean geometry . He developed, independently of János Bolyai , the self-consistent system of hyperbolic geometry in which Euclid's parallel postulate is replaced by one allowing more than one parallel through the fixed point. Lobachevsky first announced his system in 1826 and subsequently wrote several expositions of it, including Geometrical Researches on the Theory of Parallels (originally published in 1840 in German). Lobachevsky studied and taught at the new University of Kazan and eventually became rector of this institution in 1826. However, for some reason, despite serving his country and university well, he fell from favor and in 1846 was relieved by the government of his posts as professor and rector.
Universal Book Of Mathematics: List Of Entries lobachevsky, nikolai Ivanovich (17931856) localized solution loculus of Archimedeslocus logarithm logarithmic spiral logic logical depth http://www.daviddarling.info/works/Mathematics/mathematics_entries.html
Lobachevsky, Nikolai Ivanovich lobachevsky, nikolai Ivanovich (17921856) lobachevsky published the firstaccount of the subject in 1829, but his work went unrecognized until Georg http://www.cartage.org.lb/en/themes/Biographies/MainBiographies/L/Lobachevsky/1.
Extractions: In Euclid's system, two parallel lines will remain equidistant from each other, whereas in Lobachevskian geometry, the two lines will approach zero in one direction and infinity in the other. In Euclidean geometry the sum of the angles of a triangle is always equal to the sum of two right angles; in Lobachevskian geometry, the sum of the angles is always less than the sum of two right angles. In Lobachevskian space, also, two geometric figures cannot have the same shape but different sizes. Lobachevsky developed non-Euclidean geometry between 1826 and 1856. He came to see that it was not contradictory to speak of a geometry in which all Euclid's postulates except the fifth held true. By including imaginary numbers, he made geometry more general, and Euclid's geometry took on the appearance of a special case of a wider system.