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Giuseppe Peano

(1858-1932)



http://www.bowks.net/worldlang/aux/g_GiuseppePeano-busto2.gif Giuseppe Peano esseva un mathematico italian e professor universitari. Ille publicava un obra super analysis vectorial e se occupava con le studio del logica mathematic. In 1903 ille proponeva in su "Révue de Mathematique" le introduction de un simplificate forma de latino como lingua auxiliar pro le communication international (Latino sine Flexione).
(Discussiones de Interlingua per Alexander Gode, p. 72)

 
Giuseppe Peano was an italian mathematician and university professor. He published a work on vector analysis and occupied himself with the study of mathematical logic. In 1903 he proposed in his "Révue de Mathematique" the introduction of a simplified form of Latin as an auxiliary language for international communication (Latino sine Flexione).
(Discussiones de Interlingua per Alexander Gode, p. 72)

Ligamines, Links, Ligoj.

Photos de
Giuseppe Peano:

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http://www.bowks.net/worldlang/aux/g_GiuseppePeano-busto.gif

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From en.WikipediaEdit

Giuseppe Peano (August 27, 1858April 20, 1932) was an Italian mathematician and philosopher best known for his contributions to set theory. Peano published over two hundred minor books and papers, most of them on mathematics. He spent most of his life teaching in Turin.

Personal life Edit

Born on a farm near the village of Spinetta in Piedmont, Italy, Peano enrolled at the nearby University of Turin in 1876. He graduated in 1880 with high honours and began his teaching career.

On July 27, 1887 he married Carola Crosio. He died in Turin, Italy of heart failure on April 20, 1932.

Milestones and honors received Edit

  • 1881: first paper published
  • 1884: Calcolo Differenziale e Principii di Calcolo Integrale published
  • 1887: Applicazioni Geometriche del Calcolo Infinitesimale published
  • 1889: appointed Professor First Class at the Royal Military Academy
  • 1890: Extraordinary Professor of Infinitesimal Calculus at Turin University
  • 1891: became a member of The Academy of Science in Turin
  • 1893: Lezioni di Analisi Infinitesimale (2 volumes) published
  • 1895: promoted to Ordinary Professor at Turin University
  • 1901: became a knight of the Order of Saints Maurizio and Lazzaro.
  • 1903: Latino sine flexione announced
  • 1905: became a Knight of the Crown of Italy, elected a corresponding member of the Accademia dei Lincei in Rome, the highest honour for an Italian scientist;
  • 1908: Formulario mathematico published (fifth and final edition of the Formulario project)
  • 1917: became an Officer of the Crown of Italy
  • 1921: promoted from Officer to Commendatore of the Crown of Italy

Career Edit

Peano started his career as a university assistant at the University of Turin in 1880. He first assisted Enrico D'Ovidio and then Angelo Genocchi, the chair of infinitesimal calculus. Due to Genochii's poor health, Peano took over the teaching of the infinitesimal calculus course within 2 years.

His first major work, a textbook on calculus, was credited to Genocchi and published in 1884. Three years later, Peano published his first book dealing with mathematical logic. This book was the first to use the modern symbols for the union and intersection of sets.

In 1886, Peano started teaching concurrently at the Royal Military Academy, and was promoted to Professor First Class in 1889. The next year, the University of Turin also granted him his full professorship.

Peano's famous space-filling curve appeared in 1890 as a counterexample. He used it to show that a continuous curve cannot always be enclosed in an arbitrarily small region. This was an early example of what came to be known as a fractal.

The following year Peano started the Formulario Project. It was to be an Encyclopedia of Mathematics", containing all known formulae and theorems of mathematical science using a standard notation invented by Peano.

In 1897, the first International Congress of Mathematicians was held in Zürich. Peano was a key participant, presenting a paper on mathematical logic. He also started to become increasingly occupied with Formulario to the detriment of his other work.

In 1898 he presented a note to the Academy about binary numeration and its ability to be used to represent the sounds of languages. He also became so frustrated with publishing delays (due to his demand that formulae be printed on one line) that he purchased a printing press.

Paris was the venue for the Second International Congress of Mathematicians in 1900. The conference was preceded by the First International Conference of Philosophy where Peano was a member of the patronage committee. He presented a paper which posed the question of correctly formed definitions in mathematics, i.e. "how do you define a definition?". This became one of Peano's main philosophical interests for the rest of his life. At the conference Peano met Bertrand Russell and gave him a copy of Formulario, Russell was so struck by Peano's innovative logical symbols that he left the conference and returned home to study Peano's text. Peano's followers presented papers (using Peano's teachings) at the mathematics conference, but Peano didn't. A resolution was raised on the formation of an "international auxiliary language" that would make the spread of new mathematical (and commercial) ideas easier; Peano fully supported this idea.

By 1901 Peano was at the peak of his mathematical career. He had made advances in the areas of analysis, foundations and logic, made many contributions to the teaching of calculus and also contributed to the fields of differential equations and vector analysis. Peano played a key role in the axiomatization of mathematics and was a leading pioneer in the development of mathematical logic. Peano had by this stage become heavily involved with the Formulario project and his teaching began to suffer. In fact, he became so determined to teach his new mathematical symbols that the calculus in his course was neglected. As a result he was dismissed from the Royal Military Academy but retained his post at Turin University.

In 1903 Peano announced his work on an international auxiliary language called Latino sine flexione ("Latin without flexions," later called Interlingua). This was an important project for him (along with finding contributors for 'Formulario'). The idea was to use Latin vocabulary, since this was widely known, but simplify the grammar as much as possible and remove all irregular and anomalous forms to make it easier to learn. In a brilliant speech, he started speaking in Latin and, as he described each simplification, introduced it into his speech so that by the end he was talking in his new language.

1908 was a big year for Peano. The final, fifth edition of the Formulario Project, titled Formulario Mathematico, was published. It contained 4200 formulae and theorems, all completely stated and most of them proved. The book received little attention since much of the content was dated by this time. The comments and examples were written in Latino sine flexione which detracted from its appeal to most mathematicians; however, it remains a significant contribution to mathematical literature.

Also in 1908, Peano took over the chair of higher analysis at Turin (this appointment was to last for only two years). He was also elected the director of Academia pro Interlingua. Having previously created Idiom Neutral, the Academy effectively chose to abandon it in favor of Peano's Latino sine flexione.

After his mother died in 1910, Peano divided his time between teaching, working on texts aimed for secondary schooling including a dictionary of mathematics, and developing and promoting his and other artificial languages, becoming a revered member of the international auxiliary language movement. He used his membership of the Accademia dei Lincei to present papers written by friends and colleagues who were not members (the Accademia recorded and published all presented papers given in sessions).

In 1925 Peano switched Chairs unofficially from Infinitesimal Calculus to Complementary Mathematics, a field which better suited his current style of mathematics. This move became official in 1931. Giuseppe Peano continued teaching at Turin University until the day before he died, April 20 1932, when he suffered a fatal heart attack.

"He [Peano] was a man I greatly admired from the moment I met him for the first time in 1900 at a Congress of Philosophy, which he dominated by the exactness of his mind." — Bertrand Russell, 1932

References Edit

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