Arnaud Denjoy(redirected from A. Denjoy)
Born Jan. 5, 1884, in Auch, Gers Department. French mathematician. Member of the Paris Academy of Sciences (1942) and its president (1962).
In 1922, Denjoy became a professor at the University of Paris and president of the French mathematical society. His major works deal with the theory of functions of real variables. He provided a complete solution to the classical problem of the primitive function, for which he introduced a new concept of the integral, which bears his name. In 1971 he became a foreign member of the Academy of Sciences of the USSR and received the M. V. Lomonosov gold medal.