Ernst Sigismund Fischer
|Ernst S. Fischer|
12 July 1875|
|Died||14 November 1954
|Institutions||University of Cologne|
|Alma mater||University of Vienna|
|Thesis||Zur Theorie der Determinanten (1899)|
|Doctoral advisor||Franz Mertens
|Doctoral students||Hans Falckenberg
|Known for||Riesz–Fischer theorem|
Ernst Sigismund Fischer (12 July 1875 – 14 November 1954) was a mathematician born in Vienna, Austria. He worked alongside both Mertens and Minkowski at the Universities of Vienna and Zurich, respectively. He later became professor at the University of Erlangen, where he worked with Emmy Noether.
- O'Connor, John J.; Robertson, Edmund F., "Ernst Sigismund Fischer", MacTutor History of Mathematics archive, University of St Andrews.
- Ernst Sigismund Fischer at the Mathematics Genealogy Project
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