1. Christoph Gudermann Christoph Gudermann (1798 1851) Matem tico germ nico nascido em Vienenburg, pr ximo a Hildesheim, instrutor de M nster, ou Munique, professor e http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

2. The Mathematics Genealogy Project - Christoph Gudermann Christoph Gudermann. Ph.D. GeorgAugust-Universit t G ttingen 1841 http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

3. Christoph_Gudermann - Investigacion Espanola Christoph Gudermann ( de marcha la 25 De marcha la 25 es el 84.o d a del a o en el calendario gregoriano (8 en a os bisiestos http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

4. Gudermann Biography of Christoph Gudermann (17981852) http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

5. Christoph Gudermann - Wikipedia, The Free Encyclopedia Christoph Gudermann. From Wikipedia, the free encyclopedia. Christoph Gudermann (March25, 1798 September 25, 1852) was born in Vienenburg, Germany. http://en.wikipedia.org/wiki/Christoph_Gudermann

Wikimedia needs your help in its 21-day fund drive. See our fundraising page Over US$155,000 has been donated since the drive began on 19 August. Thank you for your generosity! Christoph Gudermann From Wikipedia, the free encyclopedia. Christoph Gudermann March 25 September 25 ) was born in Vienenburg, Germany . He was the son of a school teacher and became a teacher himself after studying at the University of Gottingen , where his advisor was Karl Friedrich Gauss . He began his teaching career in Kleve and then transferred to a school in Muenster . While there, Karl Weierstrass took Gudermann's course in elliptic functions , the first to be taught in any institute. Weierstrass was greatly influenced by this course, which marked the direction of his own research. His researches into spherical geometry and special functions focused on particular cases, so that he did not receive the credit given to those who published more general works. The Gudermannian function , or hyperbolic amplitude, is named after him. Gudermann died in Muenster. edit External links Biography at the MacTutor archive Retrieved from " http://en.wikipedia.org/wiki/Christoph_Gudermann

6. Barter Books - Lehrbuch Der Niederen Sph Rik Barterbooks, One of Europe's largest second hand and antiquarian book dealers has for sale Lehrbuch der niederen Sph rik, Gudermann, Christoph, http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

7. Christoph Gudermann - Linix Encyclopedia Christoph Gudermann. Christoph Gudermann (March 25, 1798 September 25, 1852)was born in Vienenburg, Germany. He was the son of a school teacher and http://web.linix.ca/pedia/index.php/Christoph_Gudermann

Christoph Gudermann Christoph Gudermann March 25 September 25 ) was born in Vienenburg, Germany . He was the son of a school teacher and became a teacher himself after studying at the University of Gottingen , where his advisor was Karl Friedrich Gauss . He began his teaching career in Kleve and then transferred to a school in Muenster . While there, Karl Weierstrass took Gudermann's course in elliptic functions , the first to be taught in any institute. Weierstrass was greatly influenced by this course, which marked the direction of his own research. His researches into spherical geometry and special functions focused on particular cases, so that he did not receive the credit given to those who published more general works. The Gudermannian , or hyperbolic amplitude, is named after him. Gudermann died in Muenster. This biographical article is a stub . You can help Wikipedia by expanding it Retrieved from " http://web.linix.ca/pedia/index.php/Christoph_Gudermann Categories 1798 births 1852 deaths ... Return to Linix.ca Search This article is licensed under the GNU Free Documentation License which means that you can copy and modify it as long as the entire work (including additions) remains under this license.

8. Biography Of Gudermann, Christoph Biography of Gudermann, Christoph http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

9. The Mathematics Genealogy Project - Christoph Gudermann Christoph Gudermann Biography. Ph.D. GeorgAugust-Universit t G ttingen 1841 http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

10. Gudermann Translate this page gudermann christoph, allemand, 1798-1852. Étudiant les mathématiques tout ensuivant à Göttingen des Fonctions elliptiques, notations de Gudermann http://serge.mehl.free.fr/chrono/Gudermann.html

GUDERMANN Christoph, allemand, 1798-1852 Weierstrass fonctions elliptiques dont Abel fut l'initiateur (1823) ce qui explique les premiers travaux de Weierstrass convergence uniforme Cauchy et Weierstrass Fonctions elliptiques, notations de Gudermann : Duhamel Sarrus

11. Full Alphabetical Index 607*) Grunsky, Helmut (772*) Guangqi, Xu (1507) Guarini, Guarino (962*) Guccia, Giovanni (582) Gudermann, Christoph (568) Guenther, Adam (533 http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

12. Lebensdaten Von Mathematikern Grossmann, Marcel (1878 1936) Grothendieck, Alexander (1928 - ) Guccia, Giovanni (1855 - 1914) Gudermann, Christoph (1798 - 1852) Guinand http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

13. Neue Seite 1 Guccia, Giovanni (1855 1914) Gudermann, Christoph (1798 - 1852) Guinand, Andrew (1912 - 1987) Guldin, Paul (1577 - 1643) http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

14. Gudermann Biography of christoph gudermann (17981852) christoph gudermann s fatherwas a school teacher. christoph was academically able in his schooling so, http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Gudermann.html

Christoph Gudermann Born: 25 March 1798 in Vienenburg (near Hildesheim), Germany Died: Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Version for printing Christoph Gudermann Gudermann worked almost exclusively on spherical geometry and special functions but he is not remembered for any original mathematical results in these areas. This is not to say that he did not do useful original research but just that he suffered the fate that many mathematicians have suffered, namely that a comprehensive theory was developed later which meant that his contributions fused into the theory. His own contributions tended to be a whole series of special cases (although this could not have been obvious at the time) which were forgotten later when the general results which included them were found. He did write a book on spherical geometry and [1]:- In the introduction he pointed out that a plane was a special case of a spherical surface, that is a sphere with infinite radius. For this reason and because of its constant curvature there exist many similarities between spherical geometry and plane geometry; yet at the same time Gudermann considered more interesting the study of cases where the similarity no longer holds. In his more extensive work on the theory of special functions Gudermann published several papers beginning in 1830 which extended work which was developed by Euler Landen Legendre Abel and Jacobi . He summarised his contributions in two monographs published in 1833 and 1844. A third monograph, which he promised to write on the topic, was not written because of his early death.

15. References For Gudermann References for the biography of christoph gudermann. christoph gudermann,Neue deutsche Biographie VII, 252253. KR Manning, The emergence of the http://www-groups.dcs.st-and.ac.uk/~history/References/Gudermann.html

References for Christoph Gudermann Version for printing Biography in Dictionary of Scientific Biography (New York 1970-1990). Articles: Christoph Gudermann, Neue deutsche Biographie VII, K R Manning, The emergence of the Weierstrassian approach to complex analysis, Arch. History Exact Sci. T S Visser, From Nunez to Gudermann (loxodromy and logarithm) (Dutch), Euclides (Groningen) Main index Birthplace Maps Biographies Index History Topics ... Anniversaries for the year JOC/EFR September 2000 School of Mathematics and Statistics University of St Andrews, Scotland The URL of this page is: http://www-history.mcs.st-andrews.ac.uk/References/Gudermann.html

16. The Mathematics Genealogy Project - Christoph Gudermann According to our current online database, christoph gudermann has 1 studentsand 9025 descendants. We welcome any additional information. http://www.genealogy.math.ndsu.nodak.edu/html/id.phtml?id=29458

17. Gudermannian Function - Linix Encyclopedia The gudermannian function, named after christoph gudermann (1798 1852), relatesthe circular and hyperbolic trigonometric functions without resorting to http://web.linix.ca/pedia/index.php/Gudermannian_function

Gudermannian function Missing image Gudermannian.png Gudermannian function with its asymptotes y The Gudermannian function , named after Christoph Gudermann (1798 - 1852), relates the circular and hyperbolic trigonometric functions without resorting to complex numbers . It is defined by Note that The following identities also hold: The inverse Gudermannian function is given by The derivatives of the Gudermannian and its inverse are edit See also trigonometric identity tangent half-angle formula tractrix Mercator projection ... edit References CRC Handbook of Mathematical Sciences 5th ed. pp 323-5. edit External links Gudermannian Function http://mathworld.wolfram.com/GudermannianFunction.html at MathWorld Retrieved from " http://web.linix.ca/pedia/index.php/Gudermannian_function Categories Trigonometry Special functions ... Return to Linix.ca Search This article is licensed under the GNU Free Documentation License which means that you can copy and modify it as long as the entire work (including additions) remains under this license. Powered by Linix.ca

18. Lichtenberg, Georg Christoph --  Encyclopædia Britannica christoph gudermann University of St.Andrews, Scotland Biographical sketch ofthis German mathematician known for his research in spherical geometry and http://www.britannica.com/eb/article-9048155

Home Browse Newsletters Store ... Subscribe Already a member? Log in Content Related to this Topic This Article's Table of Contents Georg Christoph Lichtenberg Print this Table of Contents Shopping Price: USD $1495 Revised, updated, and still unrivaled. The Official Scrabble Players Dictionary (Hardcover) Price: USD $15.95 The Scrabble player's bible on sale! Save 30%. Merriam-Webster's Collegiate Dictionary Price: USD $19.95 Save big on America's best-selling dictionary. Discounted 38%! More Britannica products Lichtenberg, Georg Christoph  Encyclopædia Britannica Article Page 1 of 1 Georg Christoph Lichtenberg born July 1, 1742, Ober-Ramstadt, near Darmstadt, Hesse [Germany] German physicist and satirical writer, best known for his ridicule of metaphysical and romantic excesses. Lichtenberg, Georg Christoph... (75 of 288 words) var mm = [["Jan.","January"],["Feb.","February"],["Mar.","March"],["Apr.","April"],["May","May"],["June","June"],["July","July"],["Aug.","August"],["Sept.","September"],["Oct.","October"],["Nov.","November"],["Dec.","December"]]; To cite this page: MLA style: "Lichtenberg, Georg Christoph."

19. Week166 1839 he went to the Academy at Muenster to study under christoph gudermann, gudermann strongly encouraged Weierstrass in his mathematical studies. http://math.ucr.edu/home/baez/week166.html

March 27, 2001 This Week's Finds in Mathematical Physics (Week 166) John Baez Do you know this number? They say that mathematics is not really about numbers, and they're right. But sometimes it's fun to play around with the darn things! Given any positive number you can work out its continued fraction expansion, like this: sqrt(2) = 1 + 1 - 2 + 1 2 + 1 - 2 + 1 2 + 1 2 + 1 . . . But normally it won't look so pretty! A number is rational if and only if the continued fraction stops after finitely many steps. If its continued fraction expansion eventually repeats, like this: sqrt(3) = 1 + 1 - 1 + 1 2 + 1 - 1 + 1 2 + 1 1 + 1 . . . then it satisfies a quadratic equation with integer coefficients. So the continued fraction expansion of e can't ever repeat... but it's cute nonetheless:

20. Karl Weierstrass: Definition And Much More From Answers.com During this period of study, Weierstrass attended the lectures of christophgudermann and became interested in 1895 in science christoph gudermann http://www.answers.com/topic/karl-weierstra

showHide_TellMeAbout2('false'); Business Entertainment Games Health ... More... On this page: Dictionary Encyclopedia Wikipedia Mentioned In Or search: - The Web - Images - News - Blogs - Shopping Karl Weierstrass Dictionary Wei·er·strass vÄ« ər-str¤s -shtr¤s Karl Theodor Wilhelm German mathematician. Noted for his contributions to real and complex analysis, he was the first to construct an example of a continuous function that could not be differentiated anywhere. Encyclopedia Weierstrass, Karl Wilhelm Theodor k¤rl vÄ­l hĕlm tā ōdōr vÄ« ərshtr¤s ) , 1815–97, German mathematician. From 1864 he was professor of mathematics at the Univ. of Berlin. His development of the modern theory of functions is described in his Abhandlungen aus der Funktionenlehre (1886), which was compiled largely from the lecture notes of his students. He was one of those chiefly responsible for the modern, rigorous approach to analysis and number theory , and he did much to clarify the foundations of these subjects. He demonstrated (1871) a function that is continuous throughout an interval but that possesses no derivative anywhere in the interval. Wikipedia @import url(http://content.answers.com/main/content/wp/css/common.css); @import url(http://content.answers.com/main/content/wp/css/gnwp.css);

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