21. Journaux électroniques cauchy, augustin-louis Nouveaux exercices de mathématiques; cauchy, augustin-louis http://bibcmi.univ-mrs.fr/numbooks.html

Anciens livres numérisés Source : Gallica BNF D'autres livres numérisés (surtout en allemand) : Göttinger Digitalisierungs Zentrum , Göttingen, Allemagne Abel, Niels Henrik : Oeuvres complètes. Tome I Abel, Niels Henrik : Oeuvres complètes. Tome II Académie des sciences (France) : Mémoires de l'Académie royale des sciences : depuis 1666, jusqu'à 1699. Tome V Académie des sciences (France) : Mémoires de l'Académie royale des sciences : depuis 1666, jusqu'à 1699. Tome VII. Partie II ... Walras, Léon : Théorie mathématique de la richesse sociale

22. Louis Augustin Cauchy Translate this page augustin-louis cauchy. Il a crée la théorie des fonctions d'une variablecomplexe. Augustin Louis cauchy (Paris 1789 - Sceaux 1857). http://perso.club-internet.fr/orochoir/Timbres/tcauchy.htm

Augustin-Louis CAUCHY Son oeuvre se rapporte à de nombreux domaines des mathématiques et de la physique mathématique. Professeur à l'Ecole Polytechnique et au Collège de France, ses cours ont contribué à construire l'analyse sur des nouvelles bases. Il a crée la théorie des fonctions d'une variable complexe. Augustin Louis Cauchy (Paris 1789 - Sceaux 1857) Quelques résultats obtenus par CAUCHY : En géométrie, il démontra qu'il n'existait que neuf polyèdres réguliers (les cinq convexes connus depuis l'antiquité et quatre non convexes) Il a redémontré d'une autre manière la formule d' Euler sur les polyèdres (S + F - A = 2 où S est le nombre de sommets, F le nombre de faces et A le nombre d'arêtes du polyèdre.) et l'a même généralisé. Il réforma complétement l'analyse en redéfinissant rigoureusement certains concepts (notions de limites, de continuités, ...) Il créa la théorie des fonctions d'une variable complexe (avec les fonctions holomorphes, le théorème des résidus, les intégrales sur un chemin, ...) On appelle suite de Cauchy, toute suite vérifiant :

23. AUGUSTIN-LOUIS CAUCHY Translate this page augustin-louis cauchy. Geboren 21. 08. 1789 Paris, gestorben 22. 05.1857 Sceaux (bei Paris) cauchy, dessen Vater hohe administrative http://www.ksk.ch/mathematik/mathonline/biographien/jh19und20/cauchy.htm

Augustin-Louis Cauchy Geboren 21. 08. 1789 Paris, gestorben 22. 05. 1857 Sceaux (bei Paris) Barbara Bohnenblust, 5ora, Kantonsschule Kreuzlingen Bibliographie: Denkweisen grosser Mathematiker, Herbert Meschkowski, Vieweg-Verlag

24. Biographie : Augustin-Louis Cauchy (21 Août 1789 [Paris] - 23 Mai 1857 [Sceaux] Translate this page augustin-louis cauchy (21 août 1789 Paris - 23 mai 1857 Sceaux).augustin-louis cauchy est le mathématicien français le plus http://www.bibmath.net/bios/index.php3?action=affiche&quoi=cauchy

25. Baron Augustin-Louis Cauchy Baron augustinlouis cauchy. This picture is taken from the book Historyof Modern Mathematics Volume IIInstitutions and Applications http://www.cis.usouthal.edu/~lynn/mathematics/cauchy.html

Baron Augustin-Louis Cauchy This picture is taken from the book "History of Modern Mathematics Volume II:Institutions and Applications" edited by David E. Rowe and John McCleary

26. Augustin Louis Cauchy A Biography Translate this page Augustin Louis cauchy A Biography. Belhoste Bruno Augustin Louiscauchy. A Biography. Gebundene Ausgabe Hardcover http://www.brandneu-dvd-video.de/augustin-louis-cauchy-a-biography-618-449-905-x

Augustin Louis Cauchy A Biography Belhoste Bruno Augustin Louis Cauchy. A Biography Gebundene Ausgabe Hardcover Coding Theory and Design Theory. Part II: Design Theory (The IMA Volumes in Mathematics and its Applications Vol. 21)... Testing Problems with Linear or Angular Inequality Constraints (Lecture Notes in Statistics Vol. 62)... Nonlinear Dynamical Control Systems... Home ... Adressbuch Umweltschutz. CD- ROM für Windows ab 3.1.x....

27. ÄÚ½Ã(Augustin-Louis Cauchy,1789-1857) The summary for this Korean page contains characters that cannot be correctly displayed in this language/character set. http://math.kyungwon.ac.kr/menu_add/mather/mather21.htm

ÄÚ½(Augustin-Louis Cauchy,1789-1857) À̶§ ÄÚ½¬´Â ¶óÇ¶ó½º¿Í ¶ó±×¶ûÁãÀÇ ÀÌ·ÐÀ» ¿¬±¸Çϸ鼭 Áö³Â´Âµ¥ ÀÌ ¹«·ÆÀÌ ±×¿¡°Ô´Â °¡Àå ¹Ù»Û ½°£À̾ú´Ù. ±×·±µ¥µµ ±×´Â "¾î¸Ó´Ï Àú´Â ¸ÅÀÏ 4½¿¡ ÀϾ¼­ ÇÏ·çÁ¾ÀÏ ¹Ù»Ú°Ô »ê´ä´Ï´Ù. .....ÇÏÁö¸¸ ÀÏ ¶§¹®¿¡ ÇÇ°ïÇÏÁö´Â ¾Ê¾Æ¿ä. ÀÌ ÀϵéÀº ³ª¿¡°Ô ¿ø±â¸¦ ÁÖ°í Àú´Â °Ç°­ÀÌ ¸Å¿ì ÁÁ¾Æ¿ä." ¶ó°í ÆíÁöÇÏ°í ÀÖ´Ù. ÀÌ·¸°Ô ¹Ù»Û ¿ÍÁß¿¡¼­µµ ±×´Â ´Ù¸é¼¿¡ ´ëÇÑ ¸¹Àº ¾÷ÀûÀ» ³²±æ ¼ö ÀÖ¾ú´Ù. ¾Æº§Àº "ÄÚ½¬´Â ¹ÌÆ°í ±×¿¡°Ô´Â ´õ ÀÌ»ó ¾î¶»°Ô ÇÒ ¼ö°¡ ¾ø´Ù. ÇÏÁö¸¸ ±×´Â ¼öÇÐÀÌ ¾î¶»°Ô µÇ¾î°¡¾ß ÇÏ´ÂÁö¸¦ ¾Æ´Â À¯ÀÏÇÑ »ç¶÷ÀÌ´Ù."¶ó´Â ±ÛÀ» ³²°å´Ù. ¾Æº§Àº ÄÚ½¬¿¡°Ô ÀÚ½ÅÀÇ ³í¹®À» ÁÖ¾ú´Âµ¥ ÄÚ½¬´Â ±× ³í¹®À» ÀÒ¾î ¹ö·È°í ¾Æº§ÀÌ Á×Àº ÈÄ ¸£Àåµå¸£ÀÇ µ¶Ë¿¡ ÀÇÇؼ­ °Ü¿ì £¾Æ³Â´Ù´Â ÀÏÈ­µµ ÀüÇØÁø´Ù. ÄÚ½¬´Â 1832³â Æ©¸°¿¡¼­ ±³¼ö È°µ¿À» ½ÀÛÇÏ¿´´Âµ¥ ±×ÀÇ °­ÀǸ¦ µéÀº ¸Þ³ªºê¸®¾Æ´Â ±× °­Á¿¡ ´ëÇÏ¿© "¸Å¿ì È¥¶õ½º·¯¿î °­Á¿´´Ù. °©Àڱ⠴ٸ¥ ÁÖÁ¦·Î ³Ñ¾î°¡ ¹ö¸®±â°¡ Àϼö¿´°í ±× »çÀÌÀÇ ¾î¶°ÇÑ ¿¬°ü¼ºµµ ¾Ë·ÁÁÖÁö ¾Ê¾Ò´Ù. ±×ÀÇ °­ÀÇ´Â °¡²û¾¿ ÁøÂ¥ µÀ缺ÀÌ Ç޻쳷³ ºñÄ¡´Â °Å´ëÇÑ ±¸¸§°úµµ °°¾Ò´Ù."¶ó°í ȸ°íÇÏ°í ÀÖ´Ù.

28. Augustin-Louis Cauchy (1789-1857) cauchy attended France’s great Ecole Polytechnique from 1805 until1807 and worked briefly as a military engineer. In 1813 he http://highered.mcgraw-hill.com/sites/0072398485/student_view0/cd/tools/timeline

, based on his lectures at that school, stamped elementary calculus with the character it has today. It recognizes the limit concept as the cornerstone of a firm logical explanation of continuity, convergence, the derivative and the integral. In defining "limit," he says: When the values successivly attributed to a particular variable approach indefinitely a fixed value so as to differ from it by as little as one wishes, this latter value is called the limit of the others. Suffice it to say, the reliance on such phrases as "as little as one wishes" denies precision to the notion. The Cours describes the derivative of y = f(x) as the limit ("when it exists") of a difference quotient as h goes to zero. Another aspect of Cauchy’s work is a careful treatment of sequences and series. One of the basic tests for sequential convergence is a result that is today called the "Cauchy convergence criterion"; specifically, a sequence s , s , s converges to a limit if the difference s m - s n can be made less than any assigned value by taking m and n sufficiently large.

29. Analyse Algébrique / Augustin-Louis Cauchy Translate this page TABLE DES MATIÈRES. CONTENUES DANS CE VOLUME. PRÉLIMINAIRES DU COURSD'ANALYSE. REVUE des diverses espèces de quantités réelles http://gallica.bnf.fr/Fonds_Tables/002/M0029058.htm

CONTENUES DANS CE VOLUME. REVUE CHAP. I. er er e Des fonctions simples e CHAP. II. er e e CHAP. III. er e e CHAP. IV. er e e Applications CHAP. V. er e CHAP. VI. er e e e CHAP. VII. Des expressions imaginaires et de leurs modules. er e e e Sur les racines des expressions imaginaires, et sur leurs puissances fractionnaires et irrationnelles. e CHAP. VIII. Des variables et des fonctions imaginaires. er e e e e CHAP. IX. er e e CHAP. X. er x e Moivre et de Cotes e CHAP. XI. er e e CHAP. XII. er e e NOTE I. re NOTE II. NOTE III. NOTE IV. y-x) x (z-x) (z-y) x ... x (v-x) (v-y) (v-z) ... (v-u NOTE V. Sur la formule de Lagrange NOTE VI. NOTE VII. NOTE VIII. FIN DE LA TABLE.

30. Famous People 6, cauchy augustin-louis cauchy (1789-1857). 7, cauchy, Augustin Louis(1789-1857). cauchy contributed to almost every branch of mathematics. http://www.ad.com/Science/Math/Mathematicians/Famous_People/

search Top Categories: Erdös, Paul Euler, Leonhard Napier, John Nash, John F., Jr. ... Abel - Niels Henrik Abel (1802-1829) Norwegian mathematician. Worked on elliptic functions and integrals, algebraic solution of equations and solubility by radicals. Category: Science > Math > Mathematicians > Famous People http://www-history.mcs.st-andrews.ac.uk/history/Mathematicians/Abel.html al-Khwarizmi - Abu Ja'far al-Khwarizmi (780-850) Arab mathematician, lived when spread of ideas was very slow, wrote Hisab al-jabr wal-muqabala, concepts of the Middle East. The "al-jabr" gave us the word algebra." introduced the de Category: Science > Math > Mathematicians > Famous People http://www.windows.ucar.edu/people/middle_ages/al-khwarizmi.html Archimedes (c. 287 B.C.-212 B.C.) (Encyclopedia.com) Greek mathematician, physicist, and inventor. Category: Science > Math > Mathematicians > Famous People http://www.encyclopedia.com/articles/00686.html Bernoulli, Daniel (1700-1782) Most important work considered the basic properties of fluid flow, pressure, density and velocity, and gave their fundamental relationship now known as Bernoulli's principle. Category: Science > Math > Mathematicians > Famous People http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Bernoulli_Daniel.html

31. WhoWhatWhen - Interactive Historical Timelines Timeline for augustinlouis cauchy (java), Search Google for augustin-louiscauchy, augustin-louis cauchy, French mathematician, 08/21/1789, 05/23/1857,67. http://www.sbrowning.com/whowhatwhen/index.php3?bydesc_x=1&desc=mathematician

32. Cauchy cauchy,augustinlouis (17891857) ,AL(cauchy,augustin-louis). 1789?8?21?; 1857?5?23?(Sceaux)?. http://w3.mtjh.tp.edu.tw/t020/math/mathematician/Cauchy.htm

Abel Bernoulli-Daniel Bernoulli-Jocob Bernoulli-Johannes ... Weierstrass Cauchy,Augustin-Louis ¡]17891857¡^ ¬_¦è¡AA.-L.(Cauchy,Augustin-Louis) 1789¦~8¤ë21¤é¥Í©óªk°ê¤Ú¾¤; 1857¦~5¤ë23¤é¨ò©óªk°ê´µ¬ì(Sceaux)¡C ¼Æ¾Ç¡B¼Æ¾Çª«²z¡B¤O¾Ç¡C

33. UCZENI W ANEGDOCIEBigot - Wiedza I ¯ycie - Czasopisma - Proszynski I S-ka augustinlouis cauchy urodzil sie w Paryzu 21 sierpnia 1789 roku, zaledwie kilkatygodni po zdobyciu Bastylii, które zapoczatkowalo Wielka Rewolucje http://www.proszynski.pl/czasopisma/wiedzaizycie/2002/11/02.html

Pytanie: Numer aktualny Numery archiwalne Stopka redakcyjna Reklama UCZENI W ANEGDOCIE Bigot AKW "Cauchy to bigot, co jest dziwne jak na uczonego... To cz³owiek szalony i nic na to nie mo¿na poradziæ, chocia¿ jest on obecnie jedynym, który wie, jak nale¿y uprawiaæ matematykê". Tê opiniê wyrazi³ w 1826 roku znany matematyk norweski Niels Abel, który sam by³ synem pastora i bardzo religijnym cz³owiekiem. W 1818 roku o¿eni³ siê z Aloise de Bure, pochodz±c± ze starego, bogatego rodu. Mia³ z ni± dwie córki. Rodzina jednak nie zajmowa³a wa¿nego miejsca w jego ¿yciu. Cauchy by³ marnym wyk³adowc±. Dosz³o do tego, ¿e 12 kwietnia 1821 roku studenci wygwizdali go podczas wyk³adu z matematyki w École Politechnique. Zaniepokojone w³adze podejrzewa³y demonstracjê polityczn±, ale okaza³o siê, ¿e Cauchy zamiast wyk³adaæ przewidziane w programie zagadnienia, po prostu niemi³osiernie zanudza studentów niezrozumia³ymi dla nich rozwa¿aniami, które go akurat interesowa³y.

34. életrajzok: C XVII. és XVIII. század). cauchy, augustinlouis (1789. augusztus21.—1857. május 23.) francia matematikus és mérnök. A http://www.iif.hu/~visontay/ponticulus/eletrajzok/c.html

rovatok j¡t©k arch­vum jegyzetek mutat³k kitekintő v©lem©nyek inform¡ci³k ©letrajzok magyar¡zatok forr¡sok CANTOR, Georg Ferdinand (1845. m¡rcius 3.—1918. janu¡r 6.): n©met matematikus. A XX. sz¡zadi matematik¡t forradalmas­t³ halmazelm©let megalap­t³ja. Szentp©terv¡ron sz¼letett d¡n kereskedőcsal¡db³l. A csal¡d 1856-ban Frankfurtba k¶lt¶z¶tt. Apja m©rn¶knek sz¡nta, de őt jobban ©rdekelt©k a folytonoss¡ggal ©s a v©gtelennel kapcsolatos matematikai ©s filoz³fiai probl©m¡k. V©g¼l apja megengedte, hogy matematik¡t tanuljon. Tanulm¡nyait Z¼richben kezdte, majd Berlinben folytatta. Tan¡rai KUMMER WEIERSTRASS ©s k©sőbbi ellenfele, KRONECKER voltak. Tanulm¡nyait G¶ttingenben fejezte be, ott is doktor¡lt 1867-ben. 1869-ben mag¡ntan¡ri habilit¡ci³t tett Hall©ben, ahol 1879-ben katedr¡t is kapott. Kezdetben a sz¡melm©let, a hat¡rozatlan egyenletek ©s a trigonometrikus sorok elm©lete ©rdekelt©k. Ezut¡n az anal­zis megalapoz¡s¡ba kapcsol³dott be. Megadta az irracion¡lis sz¡moknak egy, a Dedekind-szeletektől k¼l¶nb¶ző defin­ci³j¡t. 1874-ben kezdte meg halmazelm©leti vizsg¡latait. Az aktu¡lis v©gtelen l©tez©s©re alapozva kifejlesztette a transzfinit sz¡mok elm©let©t. A v©gtelenek k¶r©ben el©rt n©h¡ny eredm©nye őt mag¡t is meglepte. tl³s m³dszer©vel kapott eredm©ny©ről, amely szerint a term©szetes sz¡mok ©s a val³s sz¡mok halmaza nem ekvivalens, ­gy ­rt:

35. Cauchy Translate this page cauchy. Fecha de primera versión 15-11-97. Fecha de última actualización12-09-98. augustin-louis cauchy (1789-1857) Nació en http://personal.redestb.es/javfuetub/Biografias/Cauchy.htm

Cauchy Augustin-Louis Cauchy (1789-1857): marfuegarare@redestb.es Retrato

36. Oliver Faulhaber's Homepage / Mathematik / Briefmarken / Mathematiker C Translate this page Caratheodory, Constantin (1873-1950) Land Griechenland Jahr 1994 Michel-MarkMichel-Nr. Scott-Nr. Yvert-Nr. wanted. cauchy, augustin-louis (1789-1857) http://www.oliver-faulhaber.de/briefmarken/mathematik/marken_c.htm

Motivsammlung "Mathematik" Mathematiker C Briefmarken zu: Caratheodory Cauchy Cech Condorcet ... X - Y - Z Sonstige Caratheodory , Constantin (1873-1950): Land: Griechenland Jahr: Michel-Mark: Michel-Nr.: Scott-Nr.: Yvert-Nr.: wanted Cauchy, Augustin-Louis (1789-1857) Ursprünglich als Ingenieur für Napoleons Marine tätig, löste er bereits zu dieser Zeit einige Probleme, an denen Lagrange und Fermat zuvor scheiterten. Auf Drängen von Lagrange und Laplace widmete er sich nach seiner Rückkehr nach Paris einzig der Mathematik. Es folgten Publikationen zum bestimmten Integral, Hydrodynamik und Elastizität. 1816 übernahm er das Amt Monges an der Ecole Polytechnique, wo er mit seinen Vorlesungen die Analysis auf ein solides Fundament stellte. Begriffe wie Stetigkeit und Beschränktheit wurden von ihm verfeinert, komplexe Funktionen eingeführt. Land: Frankreich Jahr: Michel-Mark: Michel-Nr.: Scott-Nr.: Yvert-Nr.: Die Marke zeigt neben dem Porträt zwei Integrale sowie die "Cauchysche Integralformel". Cech , Eduard (1893-1960): Tschechischer Mathematikkehrer, der neben seinem eigentlichen Beruf den Doktortitel erlangte und von da wichtige Arbeiten der Projektiven Differentialgeometrie verfasste (zum Beispiel ein zweibändiges Werk in Zusammenarbeit mit Fubini). Nach seiner Habilitation bekam er 1928 schließlich einen Lehrstuhl für Analysis und Algebra, musste sich daher auch mit diesen Themengebieten näher beschäftigen. Schnell fand er besonderes Interesse an der Topologie, in den 50er Jahren dann an der Differentialgeometrie.

37. Augustin-Louis Cauchy Translate this page augustin-louis cauchy. augustin-louis cauchy, matemática francês (Paris1789 - Sceaux 1857). Nasceu logo após a queda da Bastilha. http://www.artnet.com.br/~zz4fff/cauchy.htm

Augustin-Louis Cauchy Augustin-Louis Cauchy, matemática francês (Paris 1789 - Sceaux 1857). Nasceu logo após a queda da Bastilha. Cursou a Escola Politécnica, onde mais tarde foi professor, pois gostava muito de ensinar, e aceitou a cadeira de Monge na Academia, quando este foi demitido. Ainda como estudante contou com o apoio de Laplace e Lagrange que se interessaram por seu trabalho. Cauchy chegou a ser um dos engenheiros militares de Napoleão. Católico devoto e reacionário convicto, defendia vigorosamente a Ordem dos Jesuítas e quando Carlos X, seu rei, foi exilado, também deixou Paris, recebendo mais tarde o título de barão como recompensa por sua fidelidade. Produziu grande quantidade de livros e memórias, a maioria dedicada à Matemática Pura e sempre dando ênfase às demonstrações rigorosas. Uma de suas características marcantes era que, obtendo um novo resultado, logo tratava de publicá-lo, ao contrário do que fazia Gauss . Assim, contribuiu amplamente com suas memórias para o "

38. Äڽà (Augustin-Louis Cauchy 1789 ~ 1857) The summary for this Korean page contains characters that cannot be correctly displayed in this language/character set. http://home.hanmir.com/~october73/cauchy.htm

ÄÚ½ (Augustin-Louis Cauchy 1789 ~ 1857) ¼öÇлç»ó ÄÚ½ÀÇ ¾÷ÀûÀº ¹æ´ëÇÏ°í ¸¹Àº ºÐ¾ß¿¡ Å« ¿µÇâÀ» ³¢Æ´Ù. ´ÙÀÛÀ» ÇÑ °úÇÐÀÚ Áß ÇÑ»ç¶÷. ¹«·Á 789ÆíÀÇ ³í ¹®À» ½è´Âµ¥ ±× ¾çÀº ¿ÀÀÏ·¯³ª ÄÉÀϸ®¸¸ÀÌ ´É°¡ÇÒ »ÓÀÌ´Ù. 30ÆäÀÌÁö¿¡ ´ÞÇÏ´Â ³í¹®À» ÀÏÁÖÀÏ¿¡ ¿©·¯°³ Á¦âÇß´ø ÄÚ½ ¶§¹®¿¡ °úÇоÆÄ«µ¥¹Ì´Â ³í¹®ÀÇ ¾çÀ» 4ÆäÀÌÁö·Î Á¦ÇÑÇϱ⵵ Çß´Ù. ÄÚ½´Â ±Ù´ë¼öÇÐÀÇ ±Ù°£À» Á¦°øÇÑ ¼öÇÐÀÚ ·Î ´«¿¡ ¶ç°Ô ¹ßÀüÇÑ 18¼¼±â ¼öÇп¡ ÇÑ ¸òÀ» Çß´Ù. ¼öÇп¡ ¾ö¹Ð¼ºÀ» µµÀÔÇß°í °úÇÐÀ» ÅëÇÕÇÏ´Â ¹°ÉÀ½µµ ³»µó¾ú´Ù. ¼ø¿­±º¿¡ °üÇÑ ÀÌ·ÐÀ» °³´Çß°í ¹«ÇѼö¿­ÀÇ ¼ö·ÅÁ¶°ÇÀ» ¿¬±¸ÇÑ °ÍÀº ¼öÇл翡 ±æÀÌ ³²À» ¾÷ÀûÀÌ´Ù. ´ë¼öºÐ¾ß¿¡¼­ Çà·Ä½Ä°ú ±ºÀÌ·ÐÀ» ¿¬±¸Çß´Â µ¥ À¯Çѱº·ÐÀÇ ±âʸ¦ ´ÙÁø ¸î¸î ¼öÇÐÀÚ Áß ÇÑ ¸íÀÌ´Ù. "Çà·Ä½Ä"À̳ª "±ØÇÑ" "¿¬¼Ó¼º" "¼ö·Å" µîÀÇ °³³äµéÀ» °í¾ÈÇس»±âµµ Çß´Ù.

39. Cauchy, Augustin Louis cauchy, Augustin Louis. Augustin Louis cauchy, nacido en Aug. 21, 1789, muerto el 23 de mayo de 1857, fue un matemático http://euler.ciens.ucv.ve/matematicos/cauchy.html

Cauchy, Augustin Louis Autor: Arturo Schlissel. Traducido por: Alexander Velásquez. Bibliografía: Campanilla, E. T., Hombres de las Matemáticas (1937); Muir, Jane, De Hombres y Números (1961). Homepage de la Escuela e-mail: webmaster@euler.ciens.ucv.ve © 2000 Escuela de Matemáticas Facultad de Ciencias, Universidad Central de Venezuela

40. CAUCHY, AUGUSTIN LOUIS, BARON cauchy, AUGUSTIN LOUIS, BARON (17891857), French mathematician, was born at Paris on the 21st of August 1789, and died at Sceaux (Seine) on the 23rd of May 1857. http://79.1911encyclopedia.org/C/CA/CAUCHY_AUGUSTIN_LOUIS_BARON.htm

document.write(""); CAUCHY, AUGUSTIN LOUIS, BARON Cauchy had two brothers: ALEXANDRE LAURENT (1792— 1857), who became a president of a division of the court of appeal in 1847, and a judge of the court of cassation in 1849; and EUG~NE FRANc0Is (1802—1877), a publicist who also wrote several mathematical works. substitutions, the theery of functions, differential equations and determinants. He clarified the principles of the calculus by developing them with the aid of limits and continuity, and was the first to prove Taylor’s theorem rigorously, establishing his well-known form of the remainder. In mechanics, he made many researches, substituting the notion of the continuity of geometrical displacements for the principle of the continuity of matter. In optics, he developed the wave theory, and his name is associated with the simple dispersion formula. In elasticity, he originated the theory of stress, and his results are nearly as valuable as those of S. D. Poisson. His collected works, tTEuvres corn plètes d’Augustin Cauchy, have been published in 27 volumes. See C. A. Valson, Le Baron Augustin C’auchy: sa vie et ses Iravaux (Paris, 1868).

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