# Åke Pleijel

**Åke Pleijel** (10 August 1913 – 24 September 1989) was a Swedish mathematician.

Åke Pleijel | |
---|---|

Born | Stockholm | 10 August 1913

Died | 24 September 1989 | (aged 76)

Nationality | Swedish |

Alma mater | Stockholm University |

Scientific career | |

Fields | Mathematics |

Institutions | Lund University Uppsala University |

Doctoral advisor | Torsten Carleman |

He completed his Ph.D. in mathematics at Stockholm University in 1940 (with Torsten Carleman as supervisor), and later became Professor of Mathematics at Uppsala University.

Åke Pleijel published the paper Minakshisundaram & Pleijel (1949) in which the Minakshisundaram–Pleijel zeta function was introduced.

## ReferencesEdit

- Minakshisundaram, S.; Pleijel, Å. (1949), "Some properties of the eigenfunctions of the Laplace-operator on Riemannian manifolds",
*Canadian Journal of Mathematics*,**1**: 242–256, doi:10.4153/CJM-1949-021-5, ISSN 0008-414X, MR 0031145

## External linksEdit

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