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Onorato Nicoletti (21 June 1872, Rieti – 31 December 1929, Pisa) was an Italian mathematician.


Biography

Nicoletti received his ''laurea'' in 1894 from the
Scuola Normale di Pisa The Scuola Normale Superiore in Pisa (commonly known in Italy as "la Normale") is a public university in Pisa and Florence, Tuscany, Italy, currently attended by about 600 undergraduate and postgraduate (PhD) students. It was founded in 1810 wi ...
. In 1898, he became a professor of infinitesimal calculus at the
University of Modena The University of Modena and Reggio Emilia ( it, Università degli Studi di Modena e Reggio Emilia), located in Modena and Reggio Emilia, Emilia-Romagna, Italy, is one of the oldest universities in Italy, founded in 1175, with a population of 2 ...
. After two years, he returned to Pisa, where he was a teacher of algebra, and then, after the death of
Ulisse Dini Ulisse Dini (14 November 1845 – 28 October 1918) was an Italian mathematician and politician, born in Pisa. He is known for his contribution to real analysis, partly collected in his book "''Fondamenti per la teorica delle funzioni di variabil ...
, of infinitesimal calculus. He published works in various fields of mathematics, including numerical analysis, infinitesimal analysis, the equations related to
hermitian matrices In mathematics, a Hermitian matrix (or self-adjoint matrix) is a complex square matrix that is equal to its own conjugate transpose—that is, the element in the -th row and -th column is equal to the complex conjugate of the element in the -th ...
, and differential equations. He made original contributions to
Max Dehn Max Wilhelm Dehn (November 13, 1878 – June 27, 1952) was a German mathematician most famous for his work in geometry, topology and geometric group theory. Born to a Jewish family in Germany, Dehn's early life and career took place in Germany. ...
's theory of the equivalence of polyhedra under polyhedral dissection and reassembly ( scissors-congruence), extending and generalizing the theory with an entire class of new relations. Nicoletti collaborated in the writing of ''Enciclopedia Hoepli delle Matematiche elementari e complementi'' (published from 1930 to 1951) with the contribution of two monographic articles: ''Forme razionali di una o più variabili'' (Rational forms of one or more variables) and ''Proprietà generali delle funzioni algebriche'' (General properties of algebraic functions). A leading expert in mathematics education, he edited with Roberto Marcolongo a series of successful editions for secondary schools. Nicoletti was an Invited Speaker of the ICM in Rome.


Selected publications


"Su un sistema di equazioni a derivate parziali del secondo ordine."
Rendic. Acc. Lincei,(5) 4 (1895): 197–202.
"Sulle condizioni iniziali che determiniano gli integrali della differenziali ordinazie
Atti della R. Acc. Sc. Torino. 1898 (1897): 746–759.
Sulla teoria della convergenza degli algoritmi di iterazione."
Annali di Matematica Pura ed Applicata (1898–1922) 14, no. 1 (1908): 1–32.
"Sulla caratteristica delle matrici di Sylvester e di Bezout."
Rendiconti del Circolo Matematico di Palermo (1884–1940) 28, no. 1 (1909): 29–32.
"Sulla equivalenza dei poliedri."
Rendiconti del Circolo Matematico di Palermo (1884–1940) 37, no. 1 (1914): 47–75. *with Eugenio Bertini and
Luigi Bianchi Luigi Bianchi (18 January 1856 – 6 June 1928) was an Italian mathematician. He was born in Parma, Emilia-Romagna, and died in Pisa. He was a leading member of the vigorous geometric school which flourished in Italy during the later years of th ...

"Relazione sulla memoria di Albanese «Intorno ad alcuni concetti e teoremi fondamentali sui sistemi di curve d'una superficie algebrica»."
Annali della Scuola Normale Superiore di Pisa-Classe di Scienze 14 (1922): XI–XV. *"Un teorema di limite." Annali di Matematica Pura ed Applicata 1, no. 1 (1924): 91–104.


References


External links


Onorato Nicoletti
sul sito ''Edizione Nazionale Mathematica Italiana'' {{DEFAULTSORT:Nicoletti, Onoratio 1872 births 1929 deaths Italian mathematicians Academic staff of the University of Pisa