# Pierre Pansu

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**Pierre Pansu** (born 13 July 1959) is a French [mathematician](/source/Mathematician) and a member of the [Arthur Besse](/source/Arthur_Besse) group and a close collaborator of [Mikhail Gromov](/source/Mikhail_Gromov_(mathematician)). He is a professor at the [Université Paris-Sud 11](/source/Paris-Sud_11_University) and the [École Normale Supérieure](/source/%C3%89cole_Normale_Sup%C3%A9rieure) in Paris. His main research field is geometry. His contribution to mathematics was celebrated by a double event (a conference and a workshop)[2] co-organized for his 60th birthday by the [Clay Mathematics Institute](/source/Clay_Mathematics_Institute).

Pierre Pansu is the grandson of French physician [Félix Esclangon](/source/F%C3%A9lix_Esclangon), and the great grand-nephew of mathematician and astronomer [Ernest Esclangon](/source/Ernest_Esclangon), inventor of the [talking clock](/source/Talking_clock), and brother of Robert Pansu, chemist and research director at [CNRS](/source/CNRS).

## See also

- [Metric Structures for Riemannian and Non-Riemannian Spaces](/source/Metric_Structures_for_Riemannian_and_Non-Riemannian_Spaces)
- [Pansu derivative](/source/Pansu_derivative)

## References

- Pansu, Pierre (1989), "Métriques de Carnot-Carathéodory et quasiisométries des espaces symétriques de rang un", *[Annals of Mathematics](/source/Annals_of_Mathematics)*. **129** (1): 1–60, [doi:10.2307/1971484](https://doi.org/10.2307/1971484). [JSTOR 1971484](https://www.jstor.org/stable/1971484).
- Prix [Georges Charpak](/source/Georges_Charpak) 2013, [\[1\]](https://web.archive.org/web/20140605050959/http://www.academie-sciences.fr/activite/prix/laureat_charpak.pdf), [Académie des Sciences](/source/Acad%C3%A9mie_des_Sciences), [France](/source/France).

## External links

- [Pansu's website at Université Paris-Sud 11](http://www.math.u-psud.fr/~pansu/)

## References

1. Enrico Le Donne. ["Pansu's Fest"](https://sites.google.com/site/enricoledonne/pansu60)

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