Niels Erik Nørlund

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Niels Erik Nørlund

Niels Erik Nørlund (born October 26, 1885 in Slagelse , † July 4, 1981 ) was a Danish mathematician and astronomer .

Life

He studied at the University of Copenhagen until his doctorate . In 1921/22 he was a professor at the University of Lund and from 1922 to 1956 at the University of Copenhagen and, from 1928 to 1955, director of the Geodetic Institute there. In the academic year 1933/34 he was the rector of the university.

His mathematical interests were mainly in the area of difference calculus and the theory of infinite series . He studied series of faculties , Euler and Bernoullian polynomials .

Nørlund appreciated tasteful surroundings and had a beautiful apartment with an extensive library. He loved books in beautiful bindings. A few years before his death, he bequeathed his library to the University of Odense (since 1988 the University of Southern Denmark ).

In 1920 he gave a plenary lecture at the International Congress of Mathematicians in Strasbourg (Sur les équations aux différences finies).

From 1927 to 1933 Nørlund was President of the Royal Danish Academy of Sciences . He belonged to numerous other academies, including a. the Royal Swedish Academy of Sciences , the Royal Physiographical Society in Lund , the Norwegian Academy of Sciences , the Royal Society , the Royal Astronomical Society , the Académie des Sciences and the Leopoldina .

Fonts

  • Lectures on calculus of differences. Springer-Verlag, Berlin 1924.
  • Surveying work in Greenland, Iceland and Denmark. Darmstadt 1939.
  • The logarithmic solutions of the hypergeometric equation. Mat. Fys. Skr. K. thanks Vidensk. Selsk. 5 , 1963, pp. 1-58.

literature

  • Thoger Bang: Niels Erik Nørlund in memoriam. Acta Mathematica 161 , 1988, pp. 11-22.
  • Lars Gårding : Mathematics and Mathematicians: Mathematics in Sweden before 1950. American Mathematical Society, Providence, Rhode Island 1998.

Individual evidence

  1. ^ List of rectors on the University of Copenhagen website

Web links

personal data
SURNAME Nørlund, Niels Erik
ALTERNATIVE NAMES Nörlund, Niels Erik
BRIEF DESCRIPTION Danish mathematician and astronomer
DATE OF BIRTH October 26, 1885
PLACE OF BIRTH Slagelse , Denmark
DATE OF DEATH 4th July 1981
Place of death Copenhagen