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Johann Peter Gustav Lejeune Dirichlet. Johann Peter Gustav Lejeune Dirichlet ( IPA: [ləˈʒœn diʀiˈkleː] [1]; Düren, 13 febbraio 1805 – Gottinga, 5 maggio 1859) è stato un matematico tedesco, ricordato soprattutto per la moderna definizione "formale" di funzione.
Peter Gustav Lejeune Dirichlet nació el 13 de febrero de 1805 en Düren, que en ese momento formaba parte del Primer Imperio Francés. Fue el más joven de los siete hijos de Anna Elisabeth y de Johann Arnold Lejeune Dirichlet, jefe de correos y comerciante. Desde niño mostró interés por las matemáticas.
Abstract. Dirichlet was born on February 13, 1805, in Düren, a town midway between Aachen und Cologne, where his father was town postmaster. His grandfather was a textile manufacturer from the nearby French-speaking Belgian town Richelet, so that the origin of the family name Lejeune Dirichlet is easily explained as “Young from Richelet”.
约翰·彼得·古斯塔夫·勒热纳·狄利克雷 (Johann Peter Gustav Lejeune Dirichlet), 1805年2月13日—1859年5月5日，德国数学家，科隆大学荣誉博士，历任柏林大学和哥廷根大学教授，柏林科学院院士。他是解析数论的创始人，对函数论、位势论和三角级数论都有重要贡献。主要著作有《数论讲义》《定积分》等。
A Wikimédia Commons tartalmaz Peter Gustav Lejeune Dirichlet témájú médiaállományokat. Sablon • Wikidata • Segítség Peter Gustav Lejeune Dirichlet ( Első Francia Császárság , ma: Németország , Düren , 1805 .
13 de feb. de 2020 · On February 13, 1805, German mathematician Johann Peter Gustav Lejeune Dirichlet was born. Dirichlet is best known for his papers on conditions for the convergence of trigonometric series and the use of the series to represent arbitrary functions. He also proposed in 1837 the modern definition of a mathematical function.
This is the first extensive biography of the influential German mathematician, Peter Gustav Lejeune Dirichlet (1805 – 1859). Dirichlet made major contributions to number theory in addition to clarifying concepts such as the representation of functions as series, the theory of convergence, and potential theory.
