Ursula Hamenstädt (born 15 January 1961) is a German mathematician who works as a professor at the

University of Bonn The University of Bonn, officially the Rhenish Friedrich Wilhelm University of Bonn (), is a public research university in Bonn, North Rhine-Westphalia, Germany. It was founded in its present form as the () on 18 October 1818 by Frederick Willi ...

.Faculty profile

, retrieved 18 December 2014. Her primary research subject is

differential geometry Differential geometry is a Mathematics, mathematical discipline that studies the geometry of smooth shapes and smooth spaces, otherwise known as smooth manifolds. It uses the techniques of Calculus, single variable calculus, vector calculus, lin ...

Education and career

Hamenstädt earned her PhD from the University of Bonn in 1986, under the supervision of

Wilhelm Klingenberg Wilhelm Paul Albert Klingenberg (28 January 1924 – 14 October 2010) was a German mathematician who worked on differential geometry and in particular on closed geodesics. Life Klingenberg was born in 1924 as the son of a Protestant minister. In ...

. Her dissertation, ''Zur Theorie der Carnot-Caratheodory Metriken und ihren Anwendungen'' 'The theory of Carnot–Caratheodory metrics and their applications'' concerned the theory of

sub-Riemannian manifold In mathematics, a sub-Riemannian manifold is a certain type of generalization of a Riemannian manifold. Roughly speaking, to measure distances in a sub-Riemannian manifold, you are allowed to go only along curves tangent to so-called ''horizontal s ...

s. After completing her doctorate, she became a Miller Research Fellow at the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California), is a Public university, public Land-grant university, land-grant research university in Berkeley, California, United States. Founded in 1868 and named after t ...

and then an assistant professor at the

California Institute of Technology The California Institute of Technology (branded as Caltech) is a private research university in Pasadena, California, United States. The university is responsible for many modern scientific advancements and is among a small group of institutes ...

before returning to Bonn as a faculty member in 1990.

Honors

Hamenstädt was an

invited speaker at the International Congress of Mathematicians An invitation system is a method of encouraging people to join an organization, such as a Club (organization), club or a website. In regular society, it refers to any system whereby new members are chosen; they cannot simply apply. In relation to w ...

in 2010. In 2012 she was elected to the

German Academy of Sciences Leopoldina The German National Academy of Sciences Leopoldina (), in short Leopoldina, is the national academy of Germany, and is located in Halle (Saale). Founded on 1 January 1652, based on academic models in Italy, it was originally named the ''Academi ...

, and in the same year she became one of the inaugural

fellow A fellow is a title and form of address for distinguished, learned, or skilled individuals in academia, medicine, research, and industry. The exact meaning of the term differs in each field. In learned society, learned or professional society, p ...

s of the

American Mathematical Society The American Mathematical Society (AMS) is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, and serves the national and international community through its publications, meetings, ...

. She was the

Emmy Noether Amalie Emmy Noether (23 March 1882 – 14 April 1935) was a German mathematician who made many important contributions to abstract algebra. She also proved Noether's theorem, Noether's first and Noether's second theorem, second theorems, which ...

Lecturer of the

German Mathematical Society The German Mathematical Society (, DMV) is the main professional society of German mathematicians and represents German mathematics within the European Mathematical Society (EMS) and the International Mathematical Union (IMU). It was founded in ...

in 2017.

Selected publications

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References

External links

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{{DEFAULTSORT:Hamenstaedt, Ursula 1961 births Living people California Institute of Technology faculty Academic staff of the University of Bonn Fellows of the American Mathematical Society University of Bonn alumni 20th-century German mathematicians 21st-century German mathematicians Differential geometers 20th-century German women mathematicians 21st-century German women mathematicians