Mathematician:Hans Hahn
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Mathematician
Austrian mathematician who worked in the fields of functional analysis, topology, set theory, the calculus of variations, real analysis, and order theory.
Nationality
Austrian
History
- Born: 27 Sept 1879, Vienna, Austria-Hungary
- Died: 24 July 1934, Vienna, Austria
Theorems and Definitions
- Hahn Decomposition Theorem
- Hahn Embedding Theorem
- Uniform Boundedness Principle (independently of Stefan Banach and Hugo Steinhaus)
- Hahn-Banach Theorem (independently of Stefan Banach)
- Hahn-Banach Separation Theorem (independently of Stefan Banach)
- Hahn-Kolmogorov Theorem (with Andrey Nikolaevich Kolmogorov)
- Hahn-Mazurkiewicz Theorem (with Stefan Mazurkiewicz)
- Vitali-Hahn-Saks Theorem (with Giuseppe Vitali and Stanisław Saks)
- Hahn Decomposition
- Hahn-Jordan Decomposition (with Marie Ennemond Camille Jordan) (also known as a Jordan Decomposition)
Results named for Hans Hahn can be found here.
Definitions of concepts named for Hans Hahn can be found here.
Publications
- 1902: Zur Theorie der zweiten Variation einfacher Integrale
- 1921: Theorie der reellen Funktionen
- 1932: Reelle Funktionen
- 1948: Set Functions (with Arthur Rosenthal)