Steven Gaal

Steven Alexander Gaal, born as István Sándor Gál ( born February 2, 1924 in Budapest) is a Hungarian- American mathematician who deals with analysis and number theory. He was a professor at the University of Minnesota -Minneapolis.

Gaal 1946-1948 Instructor at the University of Szeged and was at Leopold Fejér ( Frigyes Riesz and ) his doctorate at the University of Budapest in 1947. He solved a problem which he learned about Paul Erdős, and published about this. Erdos himself he first met in Paris and also published further work with him. From 1948 he was assistant professor in Budapest and went to Paris, where he was from 1948 to 1950 Attaché of the Recherches at the CNRS. 1950 to 1952 he was at the Institute for Advanced Study. In 1953 he became Instructor and 1954 Assistant Professor at Cornell University, conducted research 1959/60 at Yale University (Research Associate), where Robert Langlands attended his lectures, and in 1961 associate professor and later professor at the University of Minnesota in Minneapolis. In 1993 he retired.

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

Writings

• Linear Analysis and Representation Theory, fundamental doctrines of Mathematical Sciences, Springer Verlag 1973, Dover 2010
• Point Set Topology, Academic Press 1964, Dover 2009