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Touchard is a
French surname.
Notable people with the
surname include:
Albert Touchard (1876–between 1935 and 1945),
French author Gustave F. Touchard...
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Gustave "Gus"
Fitzhugh Touchard Jr. (or Gustav) (January 11, 1888 –
September 5, 1918) was an
American tennis player in the
early part of the 20th century...
- The
Touchard polynomials,
studied by
Jacques Touchard (1939), also
called the
exponential polynomials or Bell polynomials,
comprise a
polynomial sequence...
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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...
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Jeanine Emelie Marcelle Touchard-Vapaille (25
November 1924 – 23
December 2005) was a
French gymnast. She
competed in the women's
artistic team all-around...
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Albert Camille Touchard (Paris 7
February 1876 - date of
death unknown, but
between 1935 and 1945) was a
French author. He is best
remembered as author...
- )={\binom {n-1}{k-1}}{\frac {n!}{k!}}=L(n,k)}
which gives the Lah number.
Touchard polynomial T n ( x ) = ∑ k = 0 n { n k } ⋅ x k {\displaystyle T_{n}(x)=\sum...
- 2009
Headquarters Grenoble,
France Key
people Boris Saragaglia Jérémie
Touchard Paul
Lorne Products Shoes, clothing, bags and
accessories for men, women...
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Flammarion 1934
Paule Régnier L'Abbaye d'Évolayne Plon (5) 1935
Albert Touchard La Guêpe Les Éditions de
France 1936
Georges Bernanos The
Diary of a Country...
- graphs. Let Mn
denote the
number of
seating arrangements for n couples.
Touchard (1934)
derived the
formula M n = 2 ⋅ n ! ∑ k = 0 n ( − 1 ) k 2 n 2 n −...
