Steven Gaal

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Steven Alexander Gaal , born István Sándor Gál, (born February 22, 1924 in Budapest - † March 17, 2016 ) was a Hungarian-American mathematician who studied analysis and number theory. He was a professor at the University of Minnesota-Minneapolis .

Gaal was an instructor at the University of Szeged from 1946 to 1948 and received his doctorate in 1947 under Leopold Fejér (and Frigyes Riesz ) at the University of Budapest . He solved a problem that he learned about from Paul Erdős and published about it with him, so that he has the Erdős number  1. He first met Erdős himself in Paris and also published other works with him. From 1948 he was an assistant professor in Budapest and went to Paris, where he was the CNRS Research Attaché from 1948 to 1950 . From 1950 to 1952 he was at the Institute for Advanced Study . In 1953 he became an instructor and 1954 assistant professor at Cornell University , did research in 1959/60 at Yale University (Research Associate), where Robert Langlands attended his lecture, and in 1961 became an associate professor and later professor at the University of Minnesota in Minneapolis. In 1993 he retired.

His wife Lisl Gaal (née Ilse Novak, * 1924 in Vienna) was also a mathematician (author of the book Classical Galois Theory ).

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Individual evidence

  1. Steven Gaal in the Mathematics Genealogy Project (English)Template: MathGenealogyProject / Maintenance / id used
  2. Erdős, Gal: On the law of the iterated logarithm. Proc. Konikl. Akad. Wet. A 58, 1955, 65-84. Part I (PDF) and Part II (PDF).