Joseph Lehner (29 October 1912, New York City – 5 August 2013, Haverford, PA) was a mathematician at Michigan State University (1957–1963), the

University of Maryland The University of Maryland, College Park (University of Maryland, UMD, or simply Maryland) is a public land-grant research university in College Park, Maryland. Founded in 1856, UMD is the flagship institution of the University System of M ...

(1963–1972), and the

University of Pittsburgh The University of Pittsburgh (Pitt) is a public state-related research university in Pittsburgh, Pennsylvania. The university is composed of 17 undergraduate and graduate schools and colleges at its urban Pittsburgh campus, home to the univers ...

(1972–1980). He worked on

automorphic function In mathematics, an automorphic function is a function on a space that is invariant under the action of some group, in other words a function on the quotient space. Often the space is a complex manifold and the group is a discrete group. Factor ...

s and introduced Atkin–Lehner theory.

Publications

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References

* * 20th-century American mathematicians 1912 births 2013 deaths American centenarians Men centenarians Michigan State University faculty University System of Maryland faculty University of Pittsburgh faculty University of Pennsylvania alumni {{US-mathematician-stub