Reinhold Baer
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| Born | (1902-07-22)22 July 1902 |
| Died | 22 October 1979(1979-10-22) (aged 77) |
| Nationality | German |
| Alma mater | University of Göttingen |
| Known for | Baer group Baer ring Baer–Suzuki theorem Baer–Specker group Injective module Ext functor |
| Scientific career | |
| Fields | Mathematics |
| Institutions | University of Illinois at Urbana-Champaign Goethe University Frankfurt |
| Doctoral advisor | Hellmuth Kneser |
| Doctoral students | Bernd Fischer Grace Bates |
Reinhold Baer (22 July 1902 – 22 October 1979) was a German mathematician, known for his work in algebra. He introduced injective modules in 1940. He is the eponym of Baer rings and Baer groups.
Baer studied mechanical engineering for a year at Leibniz University Hannover. He then went to study philosophyatFreiburg in 1921. While he was at Göttingen in 1922 he was influenced by Emmy Noether and Hellmuth Kneser. In 1924 he won a scholarship for specially gifted students. Baer wrote up his doctoral dissertation and it was published in Crelle's Journal in 1927.
Baer accepted a post at Halle in 1928. There, he published Ernst Steinitz's『Algebraische Theorie der Körper』with Helmut Hasse, first published in Crelle's Journal in 1910.[1]
While Baer was with his wife in Austria, Adolf Hitler and the Nazis came into power. Both of Baer's parents were Jewish, and he was for this reason informed that his services at Halle were no longer required. Louis Mordell invited him to go to Manchester and Baer accepted.
Baer stayed at Princeton University and was a visiting scholar at the nearby Institute for Advanced Study from 1935 to 1937.[2] For a short while he lived in North Carolina. From 1938 to 1956 he worked at the University of Illinois at Urbana-Champaign. He returned to Germany in 1956.
According to biographer K. W. Gruenberg,
He died of heart failure on 22 October in 1979.
In 2016 the Reinhold Baer Prize for the best Ph.D. thesis in group theory was set up in his honour.[4]
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