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283:'s work on permutation theory ("Réflexions sur la théorie algébrique des équations", 1770–1771). Lagrange's work was largely ignored until Ruffini established strong connections between permutations and the solvability of algebraic equations. Ruffini was the first to assert, controversially, the unsolvability by radicals of algebraic equations higher than
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Teoria
Generale delle Equazioni, in cui si dimostra impossibile la soluzione algebraica delle equazioni generali di grado superiore al quarto.
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Teoria
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By 1788 he had earned university degrees in philosophy, medicine/surgery and mathematics. His works include developments in
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Riflessioni critiche sopra il saggio filosofico intorno alle probabilitĂ del signor conte
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Sopra la determinazione delle radici nelle equazioni numeriche di qualunque grado
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191:(22 September 1765 – 10 May 1822) was an Italian mathematician and philosopher.
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Riflessioni intorno alla soluzione delle equazioni algebraiche generali
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Riflessioni intorno alla rettificazione ed alla quadratura del circulo
291:(1731–1807). Work in that area was later carried on by those such as
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This article is about the mathematician. For the comedian, see
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263:and a medical doctor including scientific work on
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275:In 1799 Ruffini marked a major improvement for
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411:"Paolo Ruffini | Italian mathematician"
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532:The Genesis of the Abstract Group Concept
259:He was a professor of mathematics at the
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492:: CS1 maint: archived copy as title (
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591:Dizionario Biografico degli Italiani
579:. New York: Robert Appleton Company.
217:quintic (and higher-order) equations
649:19th-century Italian mathematicians
644:18th-century Italian mathematicians
639:People from the Province of Viterbo
597:Istituto dell'Enciclopedia Italiana
569:Herbermann, Charles, ed. (1913). "
351:("on the immortality of the soul")
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299:, who succeeded in such a proof.
227:would complete the proof in 1824.
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593:, Volume 89: Rovereto–Salvemini
372:("essay on contagious typhoid")
312:Teoria generale delle equazioni
233:, which is a quick method for
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634:People from the Papal States
519:Memoria sul tifo contagioso.
349:Della immortalità dell’anima
370:Memoria sul tifo contagioso
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392:, asteroid named after him
90:Duchy of Modena and Reggio
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174:Giovanni Battista Venturi
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451:University of St Andrews
254:quadrature of the circle
289:Gian Francesco Malfatti
530:Wussing, Hans (2007).
358:("elementary algebra")
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576:Catholic Encyclopedia
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281:Joseph-Louis Lagrange
102:Sant'Agostino, Modena
21:Paolo Ruffini (actor)
595:(in Italian). Rome:
584:Pepe, Luigi (2017).
437:Robertson, Edmund F.
261:University of Modena
219:cannot be solved by
213:Abel–Ruffini theorem
195:Education and career
153:University of Modena
122:Abel–Ruffini theorem
112:University of Modena
435:O'Connor, John J.;
235:polynomial division
356:Algebra elementare
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474:on 9 October 2017
390:8524 Paoloruffini
248:He also wrote on
240:contributions to
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133:Scientific career
55:22 September 1765
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586:"RUFFINI, Paolo"
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149:Institutions
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80:(1822-05-10)
63:Papal States
654:Algebraists
629:1822 deaths
624:1765 births
250:probability
143:Mathematics
78:10 May 1822
618:Categories
478:12 January
397:References
51:1765-09-22
59:Valentano
488:cite web
384:See also
285:quartics
252:and the
223:(1799).
221:radicals
65:(now in
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314:, 1799
297:Galois
265:typhus
139:Fields
86:Modena
67:Italy
601:ISBN
536:ISBN
494:link
480:2022
295:and
293:Abel
225:Abel
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.