Christina Tønnesen-Friedman
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Christina Wiis Tønnesen-Friedman is a Danish-American mathematician specializing in Riemannian geometry, especially of Kähler manifolds and Sasakian manifolds. She is Marie Louise Bailey Professor of Mathematics at Union College in Schenectady, New York.
Tønnesen-Friedman studied mathematics and chemistry at Odense University, earning a candidate degree in 1995 and completing her Ph.D. in mathematics in 1997.[1] Her doctoral dissertation, Extremal Kähler Metrics on Ruled Surfaces, was co-advised by Claude LeBrun and Henrik Laurberg Pedersen.[2]