Jacques Touchard French Mathematician
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Jacques Touchard is a member of the following lists: 1968 deaths, 1885 births and French mathematicians.
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Details
| First Name |
Jacques
|
| Last Name |
Touchard
|
| Birthday |
30th November, 1884
|
| Died |
1968
|
| Nationality |
French
|
| Occupation |
Mathematician
|
Jacques Touchard (1885–1968) was a French mathematician. In 1953, he proved that an odd perfect number must be of the form 12k + 1 or 36k + 9. In combinatorics and probability theory, he introduced the Touchard polynomials. He is also known for his solution to the ménage problem of counting seating arrangements in which men and women alternate and are not seated next to their spouses.
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