# Mathematician:Wilhelm Ljunggren

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## Mathematician

Norwegian mathematician, specializing in number theory.

## Nationality

Norwegian

## History

- Born: 7 October 1905 in Kristiania, Norway
- Died: 25 January 1973 in Oslo, Norway

## Theorems and Definitions

Results named for **Wilhelm Ljunggren** can be found here.

Definitions of concepts named for **Wilhelm Ljunggren** can be found here.

## Publications

- 1941:
*A note on simultaneous Pell equations*

- 1942:
*Zur Theorie der Gleichung $x^2 + 1 = D y^4$*(*Avh. Norske Vid. Akad.Oslo.I.***Vol. 27**,*no. 5*: p. 27)

- 1943:
*Oppgave nr 2*(*Norsk Mat. Tidsskr***Vol. 25**: p. 29)