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German-born mathematician (1929–2005) From Wikipedia, the free encyclopedia
Günter Lumer (May 29, 1929 – 2005) was a German-born mathematician known for his work in functional analysis. He is the namesake of the Lumer–Phillips theorem on semigroups of operators on Banach spaces, and was the first to study L-semi-inner products. Born in Germany and raised in France and Uruguay, he spent his professional career in the United States and Belgium.[1]
Günter Lumer | |
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![]() Günter Lumer in Prague, 1987 | |
Born | May 29, 1929 Frankfurt, Germany |
Died | 2005 75–76) | (aged
Alma mater | University of Chicago Universidad de la Republica |
Scientific career | |
Fields | Mathematics |
Institutions | University of Washington University of Mons-Hainaut |
Doctoral advisor | Irving Kaplansky |
Lumer was born in Frankfurt, on May 29, 1929. His family fled the Nazis in 1933, moving to France and then again in 1941 to Uruguay, where he became a citizen. Lumer studied at the Universidad de la República, where he came under the influence of Paul Halmos; his first mathematics paper, published in 1953, was jointly authored by Halmos and Juan Jorge Schäffer. He completed a degree in electrical engineering at Montevideo in 1957, and traveled to Halmos' home institution, the University of Chicago, on a Guggenheim Fellowship.[1] At Chicago, he completed a doctorate in 1959 under the supervision of Irving Kaplansky.[1][2]
Following short-term positions at the University of California, Los Angeles and Stanford University, he joined the faculty at the University of Washington in 1961. He moved to the University of Mons-Hainaut in 1973, and then to the International Solvay Institutes for Physics and Chemistry in Brussels in 1999, where he remained until his death in 2005.[1]
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