Kari Hag
{{short description|Norwegian mathematician}}
File:Kari Hag likestillingspris.jpg
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).{{r|ntnu}} With Frederick Gehring she is the author of the book The Ubiquitous Quasidisk (American Mathematical Society, 2012).{{r|haissinsky}}
Education and career
Hag is originally from Eidsvoll. She studied at the {{ill|Norwegian School of Education in Trondheim|no|Den allmennvitenskapelige høgskole}}, completing a cand.mag. in 1963, and then at the University of Oslo, completing a cand.real. in 1967.{{r|stolav|snl}} 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.{{r|mgp}}
After completing her doctorate, she joined the Norwegian Institute of Technology (NTH), which later became part of NTNU.{{r|snl}} She became a full professor at NTNU in 2001, and retired as a professor emerita in 2011.{{r|stolav}}
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.{{r|likestillingspris}}
In 2018 she was elected as a knight in the Order of St. Olav.{{r|stolav}}
References
{{reflist|refs=
Review of The Ubiquitous Quasidisk, Peter Haïssinsky, {{MR|2933660}}
{{citation|title=Likestillingspris 2000|publisher=Norwegian University of Science and Technology|year=2000|language=Norwegian|url=https://www.ntnu.no/c/document_library/get_file?uuid=76b2c913-1f3e-402c-b748-779325fa5e0e&groupId=2007190|accessdate=2018-05-07}}
{{citation|url=https://www.ntnu.edu/employees/kari.hag|title=Kari Hag|publisher=Norwegian University of Science and Technology|accessdate=2018-05-07}}
{{citation|work=Store norske leksikon|title=Kari Hag|url=https://snl.no/Kari_Hag|first=Magne Brekke|last=Rabben|date=April 30, 2018|accessdate=2018-05-07}}
}}
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Category:Norwegian mathematicians
Category:Norwegian women mathematicians
Category:University of Oslo alumni
Category:University of Michigan alumni
Category:Academic staff of the Norwegian Institute of Technology
Category:Academic staff of the Norwegian University of Science and Technology