Professional societies and administrative service

Member of academies: Det Kongelige Norske Videnskabers Selskab (1980), Det Norske Vitenskapsakademi (1992), Kungliga Svenska Vetenskapsakademien (1997)

Other memberships: American Mathematical Society, Association for women in mathematics, Mathematical Association of America, Norwegian Mathematical Society

Offices

• Charman of Math. Dept., UNIT, AVH, 1978-1980
• Member of Norwegian Research Council, Chair for mathematics, 1989-1993
• Vice Chairman in Dept. of Math, NTNU, 1999-2001
• Member of Abel board 2002-2010
• Leader of algebra group 2001-2011