# Gabriel Paternain

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{{short description|Uruguayan mathematician}}
{{Infobox scientist
| name              = Gabriel Paternain
| image             = <!--(filename only)-->
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| fields            = [Mathematics](/source/Mathematics)
| workplaces        = [University of Cambridge](/source/University_of_Cambridge) [University of Washington](/source/University_of_Washington)
| alma_mater        = [SUNY Stony Brook](/source/State_University_of_New_York_at_Stony_Brook)
| doctoral_advisor  = [Detlef Gromoll](/source/Detlef_Gromoll)
| doctoral_students =
| thesis_title = Geometric and Toplogical Prop of Manifolds - Completely Integrable Geodesic Flows
| thesis_year = 1991
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}}
'''Gabriel Pedro Paternain''' is a [Uruguay](/source/Uruguay)an [mathematician](/source/mathematician). He is Professor of Mathematics at the [University of Washington](/source/University_of_Washington), and a fellow of [Trinity College, Cambridge](/source/Trinity_College%2C_Cambridge). Previously he was a professor in [DPMMS](/source/DPMMS) at the [University of Cambridge](/source/University_of_Cambridge). He obtained his [Licenciatura](/source/Licentiate_(degree)) from [Universidad de la Republica](/source/University_of_the_Republic%2C_Uruguay) in Uruguay in 1987, and his PhD from the [State University of New York at Stony Brook](/source/Stony_Brook_University) in 1991. He has lectured several undergraduate and graduate courses and has gained widespread popularity due to his entertaining and informal lecturing style, which has been recognised by the university in the past for its high calibre.<ref>[http://www.cam.ac.uk/news/teaching-excellence-rewarded-0 Teaching excellence rewarded]</ref> He was managing editor of the mathematical journal ''[Mathematical Proceedings of the Cambridge Philosophical Society](/source/Mathematical_Proceedings_of_the_Cambridge_Philosophical_Society)'' for the period 2006–2011.

He is known for his work on dynamical and geometrical aspects of Hamiltonian systems, in particular magnetic and geodesic flows. His recent
research focuses on geometric inverse problems and his collaboration with [Mikko Salo](/source/Mikko_Salo) and [Gunther Uhlmann](/source/Gunther_Uhlmann) yielded solutions to several inverse problems in two dimensions, including the tensor tomography problem<ref>{{cite journal | url=https://link.springer.com/article/10.1007%2Fs00222-012-0432-1 | doi=10.1007/s00222-012-0432-1 | title=Tensor tomography on surfaces | date=2013 | last1=Paternain | first1=Gabriel P. | last2=Salo | first2=Mikko | last3=Uhlmann | first3=Gunther | journal=Inventiones Mathematicae | volume=193 | issue=1 | pages=229–247 | bibcode=2013InMat.193..229P | arxiv=1109.0505 }}</ref> and the proof of spectral rigidity of an Anosov surface.

In his spare time, he partakes in a wide variety of sports, notably football. He is the father of [2025 World Athletics Championships](/source/2025_World_Athletics_Championships) women's marathon bronze medallist [Julia Paternain](/source/Julia_Paternain).

==References==
{{Reflist}}

==External links==
*http://www.dpmms.cam.ac.uk/~gpp24/
*{{MathGenealogy |id=1230}}

{{Authority control}}

{{DEFAULTSORT:Paternain, Gabriel}}
Category:Year of birth missing (living people)
Category:Living people
Category:20th-century Uruguayan mathematicians
Category:Stony Brook University alumni
Category:Fellows of Trinity College, Cambridge
Category:Cambridge mathematicians
Category:21st-century Uruguayan mathematicians

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Adapted from the Wikipedia article [Gabriel Paternain](https://en.wikipedia.org/wiki/Gabriel_Paternain) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Gabriel_Paternain?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.