81. Budan_de_Boislaurent Biography of François budan (17611840) Ferdinand François Désiré budan deBoislaurent. Born 28 Sept 1761 in Limonade, Cap-Francais, Saint-Domingue http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Budan_de_Boislaurent.

Born: 28 Sept 1761 in Limonade, Cap-Francais, Saint-Domingue (now Haiti) Died: 6 Oct 1840 in Paris, France Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Version for printing began his education at the age of eight at a College in Juilly. He showed a great liking for the sciences but, as these were not part of the standard teaching, he received special mathematical tuition two days per week. Budan took up the study of medicine in Paris and received the title of doctor for a thesis entitled Budan is considered an amateur mathematician and he is best remembered for his discovery of a rule which gives necessary conditions for a polynomial equation to have n real roots between two given numbers. The rule was in a memoir sent to the Institute in 1803 but it was not made public until 1807. A paper giving a proof was presented to the Academy in 1811 and published in 1822. Fourier had independently discovered a rule which he taught in a course from 1797 but Fourier 's version was not published until 1831, after his death.

82. References For Budan_de_Boislaurent References for François budan. Version for printing Articles A Akritas, Reflectionson a pair of theorems by budan and Fourier, Math. Mag. http://www-history.mcs.st-and.ac.uk/history/References/Budan_de_Boislaurent.html

Version for printing Biography in Dictionary of Scientific Biography (New York 1970-1990). Books: J Fourier, (Paris, 1830). Articles: A Akritas, Reflections on a pair of theorems by Budan and Fourier, Math. Mag. Historia Mathematica Main index Birthplace Maps Biographies Index History Topics ... Anniversaries for the year JOC/EFR December 1996 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/Budan_de_Boislaurent.html

83. PCS-Electronics :: Pierre Toussaint, the First Haitian Born Saint Ferdinand Francois Désiré budan deBoislaurent (Born 28 Sept 1761 in Limonade, CapFrançais, Haiti, Died 6 http://www.pcs-electronics.com/phpBB2/viewtopic.php?p=3537&sid=7a9179a3509e6fb96

84. Search Results For Differential Equation* References for Littlewood; References for Fuchs; References for budan deBoislaurent; References for Delaunay; References for Bromwich; http://www-gap.dcs.st-and.ac.uk/~history/Search/historysearch.cgi?SUGGESTION=Dif

85. Annalen.net - Das Historische Datum - 28. September - Ein Service Von DEMO-ART.c Budande boislaurent , mathematician, geboren. Gentlemen 17 forbid http://annalen.net/chronical/09/xxxx_09_28_b.html

window.open('http://www.demo-art.com/news/news.html','ptiEILaUtYdxc','width=550,height=200'); index chronik info events musik bilder ... e-mail Das Historische Datum 28. September von Annalen.net 1 JAN 2 FEB 4 APR 5 MAI ... 12 DEZ last update: 2004-09-28 Namenspatrone heute Feiertage heute Gehe zu Jahr 1500 ff Gehe zu Jahr 1800 ff Gehe zu Jahr 1900 ff Gehe zu Jahr 2000 ff Chronik auf CD und mehr Werbung Hat Ihr(e) Bekannte(r) mit einem Musiker oder Schriftsteller oder anderen Geburtstag? Hier gibt es das Passende... Eines Films oder Oper...? Oder es gibt ein Buch, Drama, Musical, Namenspatron, Urlaubsland...? Annalen.net - Das Historische Datum - ein Service von Demo-Art v. Chr. 551 -BC- Confucius (as celebrated in Taiwan) , geboren 106 -BC- Pompey (Gnaeus Pompeius Magnus) Rome, warrior , geboren Bishop of Rome Pontianus steps down Constantine II beats emperor Maxentius Battle at Mursa: emperor Constantine II beats emperor Maxentius Konstantinopel: Wenceslaus I , duke of Bohemia, murdered, gestorben Wilhelm erobert England Mit der Landung normannischer Truppen am 28. September 1066

86. ·í¦~¤µ¤é¼Æ¾Ç®a 9?28?. ?. 1605, Boulliau. 1698, Maupertuis. 1761, Budande boislaurent. 1873, Coolidge. 1893, Hilda Geiringer. 1901, Friedrichs. http://www.mikekong.net/Maths/Databases/today/searching.php?pic=0928

87. Home - Search Lauren Bacall Home Search Lauren Bacall. Books. http://www.algebraic.net/cgi-bin/988.cgi?q=lauren bacall

88. Titre Nouvelle Méthode Pour La Résolution Des équations Numériques Editeur, Dondey-Dupré. Url. Type, Lieu, Pages, Annee. Livre, Paris, 1822. http://thamous.univ-rennes1.fr/public/public_form_ref.php?id_ref=12243&table=tbi

89. ¤èµ{¦¡¨D¸Ñ°ÝÃD¡]µùÄÀ¡^ The summary for this Chinese (Traditional) page contains characters that cannot be correctly displayed in this language/character set. http://episte.math.ntu.edu.tw/articles/mm/mm_08_4_01/notes.html

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