Kari Hag

Kari Jorun Blakkisrud Hag (born April 4, 1941) is a Norwegian mathematician known for her research in complex analysis on quasicircles and quasiconformal mappings, and for her efforts for gender equality in mathematics. She is a professor emerita of mathematics at the Norwegian University of Science and Technology (NTNU).[1] With Frederick Gehring she is the author of the book The Ubiquitous Quasidisk (American Mathematical Society, 2012).[2]

Hag with the NTNU gender equality award in 2000

Education and career

Hag is originally from Eidsvoll. She studied at the Norwegian School of Education in Trondheim, completing a cand.mag. in 1963, and then at the University of Oslo, completing a cand.real. in 1967.[3][4] Following this, she earned her doctorate in 1972 from the University of Michigan. Her dissertation, Quasiconformal Boundary Correspondences and Extremal Mappings, was supervised by Gehring.[5]

After completing her doctorate, she joined the Norwegian Institute of Technology (NTH), which later became part of NTNU.[4] She became a full professor at NTNU in 2001, and retired as a professor emerita in 2011.[3]

Awards and honors

NTNU gave Hag their gender equality award in 2000, for her efforts to increase the interest of girls in science and mathematics.[6] In 2018 she was elected as a knight in the Order of St. Olav.[3]

References
  1. Kari Hag, Norwegian University of Science and Technology, retrieved 2018-05-07
  2. Review of The Ubiquitous Quasidisk, Peter Haïssinsky, MR2933660
  3. Normannsen, Sølvi Waterloo (April 17, 2018), "Matematiker Kari Hag blir ridder av St. Olavs orden", Universitetsavisa (in Norwegian)
  4. Rabben, Magne Brekke (April 30, 2018), "Kari Hag", Store norske leksikon, retrieved 2018-05-07
  5. Kari Hag at the Mathematics Genealogy Project
  6. Likestillingspris 2000 (in Norwegian), Norwegian University of Science and Technology, 2000, retrieved 2018-05-07
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