Wilhelm Blaschke
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| Wilhelm Blaschke | |
|---|---|
| File:Wilhelm Blaschke.jpg | |
| Born | 13 September 1885 Graz |
| Died | Script error: The function "death_date_and_age" does not exist. Hamburg |
| Nationality | Austrian |
| Fields | Mathematics |
| Institutions | University of Hamburg |
| Alma mater | University of Vienna |
| Doctoral advisor | Wilhelm Wirtinger |
| Doctoral students | Shiing-Shen Chern Luis Santaló Emanuel Sperner |
| Known for | Blaschke product Blaschke selection theorem Blaschke–Santaló inequality |
Wilhelm Johann Eugen Blaschke (13 September 1885 – 17 March 1962) was an Austrian differential and integral geometer.
His students included Shiing-Shen Chern, Luis Santaló, and Emanuel Sperner.
In 1916 Blaschke published one of the first books devoted to convex sets: Circle and Sphere (Kreis und Kugel). Drawing on dozens of sources, Blaschke made a thorough review of the subject with citations within the text to attribute credit in a classical area of mathematics.
In 1933 Blaschke signed the Loyalty Oath of German Professors to Adolf Hitler and the National Socialist State.
Wilhelm Blaschke joined the NSDAP in 1937.[1]
Publications
- Kreis und Kugel, Leipzig, Veit 1916; 3rd edn. Berlin, de Gruyter 1956
- Vorlesungen über Differentialgeometrie, 3 vols., Springer, Grundlehren der mathematischen Wissenschaften 1921-1929 (vol. 1, Elementare Differentialgeometrie;[2] vol. 2, Affine Differentialgeometrie; vol. 3, Differentialgeometrie der Kreise und Kugeln, 1929)
- with G. Bol: Geometrie der Gewebe. Berlin: Springer 1938[3]
- Ebene Kinematik. Leipzig: B.G. Teubner 1938,[4] 2nd expanded edn. with Hans Robert Müller, Oldenbourg, München 1956
- Nicht-Euklidische Geometrie und Mechanik I, II, III. Leipzig: B.G.Teubner (1942)
- Zur Bewegungsgeometrie auf der Kugel. In: Sitzungsberichte der Heidelberger Akademie der Wissenschaften (1948)
- Einführung in die Differentialgeometrie. Springer 1950,[5] 2nd expanded edn. with H. Reichardt 1960
- with Kurt Leichtweiß: Elementare Differentialgeometrie. Berlin : Springer (5th edn. 1973)
- Reden und Reisen eines Geometers. Berlin : VEB Deutscher Verlag der Wissenschaften (1961; 2nd expanded edn.)
- Mathematik und Leben, Wiesbaden, Steiner 1951
- Griechische und anschauliche Geometrie, Oldenbourg 1953
- Projektive Geometrie, 3rd edn, Birkhäuser 1954
- Analytische Geometrie, 2nd edn., Birkhäuser 1954
- Einführung in die Geometrie der Waben, Birkhäuser 1955[6]
- Vorlesungen über Integralgeometrie, VEB, Berlin 1955
- Kinematik und Quaternionen. Berlin : VEB Deutscher Verlag der Wissenschaften (1960)
- Gesammelte Werke, Thales, Essen 1985
Namesake
A number of mathematical theorems and concepts is associated with the name of Blaschke.
- Blaschke selection theorem
- Blaschke–Lebesgue theorem
- Blaschke product
- Blaschke condition
- Blaschke–Santaló inequality
- Blaschke conjecture: "The only Wiedersehen manifolds in any dimension are the standard Euclidean spheres."
References
- ↑ Heinrich Behnke (1898-1979): zwischen Mathematik und deren Didaktik, Uta Hartmann, 2009 ISBN 9783631588604
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External links
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- Wilhelm Blaschke at the Mathematics Genealogy Project
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- People from Graz
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