Cahit Arf
Cahit Arf was born on October 11, 1910. See ranking, bio blurb, and everyone else born that day.
About Cahit Arf
Cahit Arf (Turkish: [dʒaːhit aɾf]; 24 October 1910 – 26 December 1997) was a Turkish mathematician. He is known for the Arf invariant of a quadratic form in characteristic 2 (applied in knot theory and surgery theory) in topology, the Hasse–Arf theorem in ramification theory, Arf semigroups and Arf rings.