Joseph Bertrand
Joseph Bertrand | |
|---|---|
| Born | Joseph Louis François Bertrand 11 March 1822 Paris, France |
| Died | 5 April 1900 (aged 78) Paris, France |
| Education | École polytechnique |
| Known for | Bertrand curve Bertrand's ballot theorem Bertrand's box paradox Bertrand paradox (economics) Bertrand paradox (probability) Bertrand's postulate Bertrand's theorem Bertrand–Edgeworth model |
| Scientific career | |
| Fields | Mathematics |
| Institutions | École polytechnique Collège de France |
| Thesis | Sur la théorie des phénomènes thermo-mécaniques (1838) |
Joseph Louis François Bertrand (French pronunciation: [ʒozɛf lwi fʁɑ̃swa bɛʁtʁɑ̃]; 11 March 1822 – 5 April 1900) was a French mathematician and historian of science whose work emphasized number theory, differential geometry, probability theory, economics and thermodynamics.
He lends his name to various paradoxes in mathematics and economics—Bertrand's paradoxes— and to Bertrand's theorem on the stability of celestial orbits.