Adriaan Zaanen
| Aad Zaanen | |
|---|---|
Zaanen in 1967
|
|
| Born |
Adriaan Cornelis Zaanen 14 June 1913 Rotterdam, Netherlands |
| Died |
1 April 2003 (aged 89) Wassenaar, Netherlands |
| Nationality | Netherlands |
| Alma mater | Leiden University |
| Known for | Contributions to the theory of Riesz spaces |
| Spouse(s) | Ada van der Woude |
| Awards | Member of the Royal Netherlands Academy of Arts and Sciences (1960) Knight of the Order of the Netherlands Lion (1982) Homorary member of the Dutch Mathematical Society (1988) |
| Scientific career | |
| Fields | Functional analysis |
| Institutions |
Bandung Institute of Technology Delft University of Technology Leiden University |
| Doctoral advisor | Johannes Droste |
| Doctoral students | W.A.J. Luxemburg, B.C. Strydom, M.A. Kaashoek, A.C. van Eijnsbergen, J.J. Grobler, N.A. van Arkel, C.B. Huijsmans, E. de Jonge, P. Maritz, W.J. Claas, A.R. Schep, W.K. Vietsch, B. de Pagter |
Adriaan Cornelis "Aad" Zaanen (14 June 1913 in Rotterdam – 1 April 2003 in Wassenaar) was a Dutch mathematician working in analysis. He is known for his books on Riesz spaces (together with Wim Luxemburg).
Zaanen was born in Rotterdam, where he attended the Hogere Burgerschool. He graduated in 1930 with excellent marks, and started his studies in mathematics at Leiden University. Having obtained his master's degree in 1935, he did research under the guidance of his doctoral advisor Johannes Droste, and was awarded a Ph.D. in 1938. His doctoral thesis dealt with the convergence of series of eigenvalues of boundary value problems of the Sturm–Liouville type. The same year he was appointed a mathematics teacher at the Hogere Burgerschool in Rotterdam, a profession that he continued until 1947.
In the next years and also in the difficult period of the German occupation of the Netherlands, Zaanen continued to do mathematical research in his spare time. He studied Stefan Banach's Théorie des Opérations Linéaires, the book that laid the foundations of functional analysis, and Marshall H. Stone's Linear Transformations in Hilbert Space. During this period he wrote nine scientific papers on integral equations with symmetrisable kernels that were published in the Proceedings of the Royal Netherlands Academy of Arts and Sciences in 1946-47.
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