Kari Hag

Kari Hag
Hag with the NTNU gender equality award in 2000
Born (1941-04-04) April 4, 1941
Eidsvoll, Norway
TitleProfessor Emerita of Mathematics
Academic background
Alma materUniversity of Michigan
ThesisQuasiconformal Boundary Correspondences and Extremal Mappings (1972)
Doctoral advisorFrederick Gehring
Academic work
DisciplineMathematics
Sub-disciplineComplex analysis
InstitutionsNorwegian Institute of Technology

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). With Frederick Gehring she is the author of the book The Ubiquitous Quasidisk (American Mathematical Society, 2012).