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There is a page named "Lobachevsky plane" on Wikipedia
- Hyperbolic geometry (redirect from Lobachevsky plane)isometries in the hyperbolic plane. De Gruyter Studies in mathematics. Vol. 29. Berlin: Walter de Gruyter & Co. Lobachevsky, Nikolai I., (2010) Pangeometry...56 KB (6,993 words) - 15:18, 23 June 2024
- Nikolai Ivanovich Lobachevsky (Russian: Никола́й Ива́нович Лобаче́вский, IPA: [nʲikɐˈlaj ɪˈvanəvʲɪtɕ ləbɐˈtɕɛfskʲɪj] ; 1 December [O.S. 20 November] 1792...21 KB (2,314 words) - 10:39, 14 June 2024
- In mathematics, a Euclidean plane is a Euclidean space of dimension two, denoted E 2 {\displaystyle {\textbf {E}}^{2}} or E 2 {\displaystyle \mathbb {E}...16 KB (1,963 words) - 04:54, 30 April 2024
- In the hyperbolic plane, as in the Euclidean plane, each point can be uniquely identified by two real numbers. Several qualitatively different ways of...14 KB (2,184 words) - 07:31, 11 June 2024
- Elliptic geometry (redirect from Elliptic plane)has a variety of properties that differ from those of classical Euclidean plane geometry. For example, the sum of the interior angles of any triangle is...18 KB (2,682 words) - 17:03, 16 April 2024
- Lexell's theorem (section Euclidean plane)I. V. Tkachenko 'On trisection and bisection of a triangle in the Lobachevsky plane'] (PDF), Matematicheskoe Prosveschenie, ser. 3 (in Russian), 11: 127–130...70 KB (9,226 words) - 16:45, 3 July 2024
- studied, is also called the hyperbolic plane. It is also sometimes referred to as Lobachevsky space or Bolyai–Lobachevsky space after the names of the author...11 KB (1,538 words) - 00:57, 19 April 2024
- Tits and geometrically by Ernest Vinberg. In the case of the Lobachevsky or hyperbolic plane, the ideas originate in the nineteenth-century work of Henri...78 KB (10,928 words) - 01:40, 26 June 2024
- Three-dimensional space (section Lines and planes)each pair of planes are mutually parallel. A line can lie in a given plane, intersect that plane in a unique point, or be parallel to the plane. In the last...34 KB (4,829 words) - 17:02, 29 May 2024
- Absolute geometry (redirect from Absolute plane)of reference. A plane that satisfies Hilbert's Incidence, Betweenness and Congruence axioms is called a Hilbert plane. Hilbert planes are models of absolute...9 KB (1,111 words) - 14:19, 23 May 2024
- equations for planes, straight lines, and circles, often in two and sometimes three dimensions. Geometrically, one studies the Euclidean plane (two dimensions)...40 KB (5,612 words) - 00:31, 8 July 2024
- Finite geometry (redirect from Finite plane)geometry are finite Möbius or inversive planes and Laguerre planes, which are examples of a general type called Benz planes, and their higher-dimensional analogs...22 KB (2,841 words) - 13:36, 12 April 2024
- geometry. Then, in 1829–1830 the Russian mathematician Nikolai Ivanovich Lobachevsky and in 1832 the Hungarian mathematician János Bolyai separately and independently...44 KB (6,018 words) - 02:55, 12 June 2024
- Spherical geometry (redirect from Spherical plane)tools of spherical trigonometry are in many respects analogous to Euclidean plane geometry and trigonometry, but also have some important differences. The...15 KB (1,955 words) - 02:05, 6 May 2024
- Circle (section Complex plane)A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre. The distance between any point of...43 KB (5,896 words) - 02:52, 24 June 2024
- Incidence geometry (section Fano plane)study of incidence structures. A geometric structure such as the Euclidean plane is a complicated object that involves concepts such as length, angles, continuity...27 KB (3,316 words) - 07:34, 29 August 2023
- between two lines (or two line segments), between a line and a plane, and between two planes. Perpendicularity is one particular instance of the more general...15 KB (2,295 words) - 00:19, 23 June 2024
- Euclidean geometry (redirect from Plane Geometry)geometry occurred when, around 1830, János Bolyai and Nikolai Ivanovich Lobachevsky separately published work on non-Euclidean geometry, in which the parallel...59 KB (7,077 words) - 05:54, 29 June 2024
- Clausen function (redirect from Lobachevsky function){Cl} _{2}(2\theta )/2} though the name "Lobachevsky function" is not quite historically accurate, as Lobachevsky's formulas for hyperbolic volume used the...31 KB (6,497 words) - 16:57, 15 May 2024
- Nikolai Ivanovich Lobachevsky (Никола́й Ива́нович Лобаче́вский) (December 1, 1792 – February 24, 1856, N.S.; November 20, 1792 – February 12, 1856, O
- considered is Riemann's (elliptic), Euclid's, or Lobachevsky's (hyperbolic). In the case of the elliptic plane there is a finite number of essentially different
- later the study of hyperbolic geometry by Lobachevsky. The simplest examples of flat spaces are curves and plane surfaces in Euclidean three-dimensional