Karen Vogtmann
American mathematician · United States · On the map · Academics · Born 1949 · age 77
Karen Vogtmann (born July 13, 1949 in Pittsburg, California) is an American mathematician working primarily in the area of geometric group theory. She introduced, in a 1986 paper with Marc Culler, an object now known as the Culler-Vogtmann Outer space.
Karen Vogtmann is read about 8.5 times a day, in 14 languages.
A typical day, 30 days to 25 June 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
Something wrong?A life in dates
Also in Deutsch
Media & music
Photos 1
Awards
About this person
The Outer space is a free group analog of the Teichmüller space of a Riemann surface and is particularly useful in the study of the group of outer automorphisms of the free group on n generators, Out(Fn). Vogtmann is a professor of mathematics at Cornell University and the University of Warwick.
