Cahit Arf

Cahit Arf was a Turkish mathematician. He is known for the Arf invariant of a quadratic form in characteristic 2 in topology, the Hasse–Arf theorem in ramification theory, Arf semigroups and Arf rings.

11 October 1910

Born on the same birth day (11 October): Alfonso de Portago • Brian Rice (footballer) • Clésio • David Starr (racing driver) • Eleanor Roosevelt • Ikioi Shōta • John Nettles • Justin Lin • Jérémie Janot • Kim Yong-dae • Michael J. Nelson • Patty Murray • Petra Haden • Roman Jakobson

Born in the same month (October 1910): Bonnie and Clyde • Edwin O. Reischauer • Ester Wier • Farid al-Atrash • Gunter d'Alquen • Gus Hall • Joe L. Evins • John Krol • Kirk Alyn • Malcolm Renfrew • Marina Núñez del Prado • Paul Robert (lexicographer) • Ray Lewis (sprinter) • Robert Fitzgerald • Stella Brooks • Tyrus Wong • William Higinbotham