Mathematician:Charles de la Vallée Poussin

Mathematician
Belgian mathematician famous for proving the Prime Number Theorem, independently of in $1896$.

Nationality
Belgian

History

 * Born: 14 August 1866 in Louvain, Belgium
 * Died: 2 March 1962 in Louvain, Belgium

Theorems and Definitions

 * Prime Number Theorem


 * The Hadamard-de la Vallée-Poussin Constant (with ), also known as:
 * The Meissel-Mertens Constant, for and
 * Kronecker's Constant, for
 * the Prime Reciprocal Constant

Publications

 * 1903: Cours d'analyse (Volume 1)
 * 1909: Cours d'analyse (Volume 1) (2nd ed.)
 * 1914: Cours d'analyse (Volume 1) (3rd ed.)
 * 1921: Cours d'analyse (Volume 1) (4th ed.)


 * 1906: Cours d'analyse (Volume 2)
 * 1912: Cours d'analyse (Volume 2) (2nd ed.)
 * 1922: Cours d'analyse (Volume 2) (4th ed.)


 * 1916: Lebesgue integrals: Set functions: Baire classes


 * 1949: Le potential logarithmique

Also known as
Full name: Charles-Jean Étienne Gustave Nicolas, Baron de la Vallée Poussin.

Some sources hyphenate variously, for example: Charles-Jean de la Vallée-Poussin.

Variants on the capitalisation of the small words can be seen, for example: Charles-Jean De La Vallée-Poussin