Ragni Piene

Ragni Piene (born 18 January 1947, Oslo)[1] is a Norwegian mathematician, specializing in algebraic geometry, with particular interest in enumerative results and intersection theory.

[2] After a bachelor's degree from the University of Oslo in 1969 and a DEA from Université de Paris in 1970 [3] Piene received a doctorate in mathematics from the Massachusetts Institute of Technology in 1976, advised by Steven Kleiman.

Her dissertation was titled Plücker Formulas.

[5] She was elected a member of the Norwegian Academy of Science and Letters in 1994,[2][6] and in 2012 she became a fellow of the American Mathematical Society[7] and a member of the Academia Europaea.

[8] We is also one of the protagonists of the Women of mathematics exhibition.