FACTOID # 90: Russia has almost twice as many judges and magistrates as the United States. Meanwhile, the United States has 8 times as much crime.
 
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Encyclopedia > List of geometers

A geometer is a mathematician whose area of study is geometry. Some important geometers and their main fields of work are: Leonhard Euler, one of the greatest mathematicians of all time A mathematician is a person whose primary area of study and research is the field of mathematics. ... Calabi-Yau manifold Geometry (Greek γεωμετρία; geo = earth, metria = measure) is a part of mathematics concerned with questions of size, shape, and relative position of figures and with properties of space. ...


Mathematicians

Leonhard Euler, one of the greatest mathematicians of all time A mathematician is a person whose primary area of study and research is the field of mathematics. ... Apastamba (c. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... A geometric algebra is a multilinear algebra with a geometric interpretation. ... Apollonius of Perga [Pergaeus] (ca. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... In mathematics, a conic section (or just conic) is a curved locus of points, formed by intersecting a cone with a plane. ... Archimedes (Greek: c. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Albert Victor Bäcklund (January 11, 1845 – February 23, 1912) was a Swedish mathematician and physicist. ... Henry Frederick Baker (July 3, 1866 - March 17, 1956) was a British mathematician He was born in Cambridge, Cambridgeshire, England. ... Algebraic geometry is a branch of mathematics which, as the name suggests, combines abstract algebra, especially commutative algebra, with geometry. ... Baudhāyana, (fl. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... A geometric algebra is a multilinear algebra with a geometric interpretation. ... Luigi Bianchi (January 18, 1856 - June 6, 1928) was an Italian mathematician. ... In mathematics, differential topology is the field dealing with differentiable functions on differentiable manifolds. ... János Bolyai (December 15, 1802–January 27, 1860) was a Hungarian mathematician. ... Behavior of lines with a common perpendicular in each of the three types of geometry The term non-Euclidean geometry describes hyperbolic, elliptic and absolute geometry, which are contrasted with Euclidean geometry. ... Pierre Ossian Bonnet (December 22, 1819- 22 June 1892) French mathematician. ... In mathematics, differential topology is the field dealing with differentiable functions on differentiable manifolds. ... Brahmagupta (ब्रह्मगुप्त) (598-668) was an Indian mathematician and astronomer. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... In geometry, a cyclic quadrilateral is a quadrilateral whose vertices all lie on a single circle. ... Lazare Carnot Lazare Nicolas Marguerite Carnot (Nolay, May 13, 1753 - Magdeburg, August 22, 1823) was a French politician and mathematician. ... Projective geometry is a non-metrical form of geometry. ... Arthur Cayley (August 16, 1821 - January 26, 1895) was a British mathematician. ... Giovanni Ceva (1648-1734) is an Italian mathematician widely known for proving Cevas Theorem in elementary geometry. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Chen Xingshen Shiing-Shen Chern (陳省身; pinyin: Chén XǐngshÄ“n; October 26, 1911 – December 3, 2004) was a Chinese-American mathematician, one of the leading differential geometers of the twentieth century. ... In mathematics, differential topology is the field dealing with differentiable functions on differentiable manifolds. ... Delfino Codazzi (March 7, 1824 - July 21, 1873) was an Italian mathematician. ... In mathematics, differential topology is the field dealing with differentiable functions on differentiable manifolds. ... John Horton Conway (born December 26, 1937, Liverpool, England) is a prolific mathematician active in the theory of finite groups, knot theory, number theory, combinatorial game theory and coding theory. ... In mathematics, sphere packing problems are problems concerning arrangements of non-overlapping identical spheres which fill a space. ... Harold Scott MacDonald Donald Coxeter, CC , Ph. ... In geometry polytope means, first, the generalization to any dimension of polygon in two dimensions, and polyhedron in three dimensions. ... Behavior of lines with a common perpendicular in each of the three types of geometry The term non-Euclidean geometry describes hyperbolic, elliptic and absolute geometry, which are contrasted with Euclidean geometry. ... Projective geometry is a non-metrical form of geometry. ... Germinal Pierre Dandelin (1794 - 1847) was a mathematician, soldier, and professor of engineering. ... Dandelin Spheres—graphics by Hop David In geometry, a nondegenerate conic section formed by a plane intersecting a cone has one or two Dandelin spheres characterized thus: Each Dandelin sphere touches, but does not cross, both the plane and the cone. ... In mathematics, a conic section (or just conic) is a curved locus of points, formed by intersecting a cone with a plane. ... Julius Wilhelm Richard Dedekind (October 6, 1831 - February 12, 1916) was a German mathematician and Ernst Eduard Kummers closest follower in arithmetic. ... René Descartes (French IPA: ) (March 31, 1596 – February 11, 1650), also known as Renatus Cartesius (latinized form), was a highly influential French philosopher, mathematician, scientist, and writer. ... Analytic geometry, also called coordinate geometry and earlier referred to as Cartesian geometry or analytical geometry, is the study of geometry using the principles of algebra. ... Joseph Diaz Gergonne (19 June 1771 Nancy, France -- 4 May 1859 Montpellier, France) was a French geometer and logician. ... Projective geometry is a non-metrical form of geometry. ... In geometry, the incircle or inscribed circle of a triangle is the largest circle contained in the triangle; it touches (is tangent to) the three sides. ... Girard Desargues (1591 - 1661) was a French mathematician and one of the founders of projective geometry. ... Projective geometry is a non-metrical form of geometry. ... In projective geometry, Desargues theorem, named in honor of Girard Desargues, states: In a projective space, two triangles are in perspective axially if and only if they are in perspective centrally. ... Eratosthenes (Greek ; 276 BC - 194 BC) was a Greek mathematician, geographer and astronomer. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... La Hire and Xaintrailles depicted in a 15th century illuminated book. ... Projective geometry is a non-metrical form of geometry. ... Euclid (Greek: ), also known as Euclid of Alexandria, was a Hellenistic mathematician who flourished in Alexandria, Egypt, almost certainly during the reign of Ptolemy I (323–283 BC). ... The frontispiece of Sir Henry Billingsleys first English version of Euclids Elements, 1570 Euclids Elements (Greek: ) is a mathematical and geometric treatise, consisting of 13 books, written by the Hellenistic mathematician Euclid in Alexandria circa 300 BC. It comprises a collection of definitions, postulates (axioms), propositions (theorems... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Leonhard Euler (pronounced Oiler; IPA ) (April 15, 1707 – September 18 [O.S. September 7] 1783) was a pioneering Swiss mathematician and physicist, who spent most of his life in Russia and Germany. ... Karl Wilhelm Feuerbach. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Johann Carl Friedrich Gauss or Gauß ( ; Latin: ) (30 April 1777 – 23 February 1855) was a German mathematician and scientist of profound genius who contributed significantly to many fields, including number theory, analysis, differential geometry, geodesy, magnetism, astronomy, and optics. ... The Theorema Egregium (Remarkable Theorem) is an important theorem of Carl Friedrich Gauss concerning the curvature of surfaces. ... Heros aeolipile Hero (or Heron) of Alexandria (Greek: Ήρων ο Αλεξανδρεύς) (c. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Robin Hartshorne (born 1938) is an American mathematician. ... This article is about a mathematician. ... An imagined portrait of Hypatia of Alexandria Hypatia of Alexandria (Greek: Υπατία;(born between 350 and 370 (*see section on this controversy below)–415 AD) was an ancient Greek philosopher, who taught in the fields of mathematics, astronomy and astrology. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Jyesthadeva (1500-1575), born in Kerala, was a major mathematician, and author of the 1501 Yukti-bhasa, which was a survey of Kerala mathematics and astronomy that was unique at the time for its exacting proofs of the theorems it presented. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... In geometry, a cyclic quadrilateral is a quadrilateral whose vertices all lie on a single circle. ... Katyayana was probably a priest who lived in India around 200 BC. Like Baudhayana, he composed Shulba Sutra, or sacred mathematical texts. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Felix Christian Klein (April 25, 1849, Düsseldorf, Germany – June 22, 1925, Göttingen) was a German mathematician, known for his work in group theory, function theory, non-Euclidean geometry, and on the connections between geometry and group theory. ... Sofia Vasilyevna Kovalevskaya (Russian Софья Васильевна Ковалевская), also known as Sonya Kovalevsky (January 15, 1850-February 10, 1891), was the first major Russian female mathematician and a student of Karl Weierstrass in Berlin. ... Nikolay Ivanovich Lobachevsky Nikolai Ivanovich Lobachevsky (Никола́й Ива́нович Лобаче́вский) (December 1, 1792–February 24, 1856 (N.S.); November 20, 1792–February 12, 1856 (O.S.)) was a Russian mathematician. ... Behavior of lines with a common perpendicular in each of the three types of geometry The term non-Euclidean geometry describes hyperbolic, elliptic and absolute geometry, which are contrasted with Euclidean geometry. ... Manava (c. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Hermann Minkowski. ... Behavior of lines with a common perpendicular in each of the three types of geometry The term non-Euclidean geometry describes hyperbolic, elliptic and absolute geometry, which are contrasted with Euclidean geometry. ... August Ferdinand Möbius (pronounced , November 17, 1790 - September 26, 1868) was a German mathematician and theoretical astronomer. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Gaspard Monge. ... Descriptive geometry builds on a practice, evolved over centuries, of displaying two images of an object, one as seen in one direction and a second image as seen from a direction 90° rotated (e. ... Max Noether (September 24, 1844 - December 13, 1921) was a German mathematician. ... Algebraic geometry is a branch of mathematics which, as the name suggests, combines abstract algebra, especially commutative algebra, with geometry. ... Tomb of Omar Khayam, Neishapur, Iran. ... Algebraic geometry is a branch of mathematics which, as the name suggests, combines abstract algebra, especially commutative algebra, with geometry. ... Wikibooks has more on the topic of Conic section Types of conic sections Table of conics, Cyclopaedia, 1728 In mathematics, a conic section (or just conic) is a curve that can be formed by intersecting a cone (more precisely, a right circular conical surface) with a plane. ... Blaise Pascal (pronounced ), (June 19, 1623–August 19, 1662) was a French mathematician, physicist, and religious philosopher. ... Projective geometry is a non-metrical form of geometry. ... Dan Pedoe (1910 to 1998) was an English-born mathematician and geometer with a career spanning more than sixty years. ... Professor John Playfair FRSE (March 10, 1748 – July 20, 1819) was a Scottish scientist. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Julius Plücker. ... Jules TuPac Henri Poincaré (April 29, 1854 – July 17, 1912) (IPA: [][1]) was one of Frances greatest mathematicians and theoretical physicists, and a philosopher of science. ... Jean-Victor Poncelet (July 1, 1788 – December 22, 1867) was a mathematician and engineer who did much to revive projective geometry. ... Projective geometry is a non-metrical form of geometry. ... Pappus of Alexandria is one of the most important mathematicians of ancient Greek time, known for his work Synagoge or Collection (c. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Projective geometry is a non-metrical form of geometry. ... Simeon Poisson. ... Pythagoras of Samos (Greek: ; between 580 and 572 BC–between 500 BC and 490 BC) was an Ionian (Greek) philosopher[1] and founder of the religious movement called Pythagoreanism. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Bernhard Riemann. ... Behavior of lines with a common perpendicular in each of the three types of geometry The term non-Euclidean geometry describes hyperbolic, elliptic and absolute geometry, which are contrasted with Euclidean geometry. ... Giovanni Gerolamo Saccheri (September 5, 1667 – October 25, 1733) was an Italian Jesuit priest and mathematician. ... Behavior of lines with a common perpendicular in each of the three types of geometry The term non-Euclidean geometry describes hyperbolic, elliptic and absolute geometry, which are contrasted with Euclidean geometry. ... Nilakantha Somayaji (नीलकण्ठ सोमयाजि) (1444-1544), from Kerala, was a major mathematician and astronomer. ... Diagram showing the geometric series 1 + 1/2 + 1/4 + 1/8 + ... which converges to 2. ... Jakob Steiner (18 March 1796 – April 1, 1863) was a Swiss mathematician. ... Synthetic geometry is a descriptive term that identifies a methodology of geometry which makes use of theorems and synthetic observations to create theorems or solve problems, as opposed to analytic geometry which uses algebra, numbers, computations to draw theorems or solve problems. ... Projective geometry is a non-metrical form of geometry. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Abul Hasan Thabit ibn Qurra ibn Marwan al-Sabi al-Harrani, (826 – February 18, 901) was an Arab astronomer and mathematician. ... Analytic geometry, also called coordinate geometry and earlier referred to as Cartesian geometry or analytical geometry, is the study of geometry using the principles of algebra. ... Behavior of lines with a common perpendicular in each of the three types of geometry The term non-Euclidean geometry describes hyperbolic, elliptic and absolute geometry, which are contrasted with Euclidean geometry. ... Wikibooks has more on the topic of Conic section Types of conic sections Table of conics, Cyclopaedia, 1728 In mathematics, a conic section (or just conic) is a curve that can be formed by intersecting a cone (more precisely, a right circular conical surface) with a plane. ... This article or section is not written in the formal tone expected of an encyclopedia article. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ... Abul Wafa Muhammad Ibn Muhammad Ibn Yahya Ibn Ismail Buzjani (940 – 997 or 998) was a Persian mathematician and astronomer. ... Spherical geometry is the geometry of the two-dimensional surface of a sphere. ... Behavior of lines with a common perpendicular in each of the three types of geometry The term non-Euclidean geometry describes hyperbolic, elliptic and absolute geometry, which are contrasted with Euclidean geometry. ... Zeno of Elea (IPA:zÉ›noÊŠ, É›lɛɑː)(circa 490 BC? – circa 430 BC?) was a pre-Socratic Greek philosopher of southern Italy and a member of the Eleatic School founded by Parmenides. ... Euclid Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. ...

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The Largest Known Primes (1149 words)
The complete list of approximately 6,000 primes is available in several forms; but first we offer a quote and a few records for your perusal.
The problem of distinguishing prime numbers from composite numbers and of resolving the latter into their prime factors is known to be one of the most important and useful in arithmetic.
It has engaged the industry and wisdom of ancient and modern geometers to such an extent that it would be superfluous to discuss the problem at length...
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