Robert Henry Risch

Short description: American mathematician

Robert Henry Risch (born 1939) is an American mathematician who worked on computer algebra and is known for his work on symbolic integration, specifically the Risch algorithm.[1] This result was quoted as a milestone in the development of mathematics:

> Calculus students worldwide depend on the algorithm, whenever they appeal to Wolfram Alpha to do their homework.[2]

He is also known for results on algebraic properties of elementary functions.[3] He received his PhD from the University of California, Berkeley in 1968[4] under the supervision of Maxwell A. Rosenlicht.[5] After his PhD, he worked at the Thomas J. Watson Research Center Mathematics of AI group[6] and, between 1970 and 1972, the Institute for Advanced Study.[7]

## References

1. ↑ Risch, Robert H. (1969). "The Problem of Integration in Finite Terms". Transactions of the American Mathematical Society 139: 67–189. doi:10.1090/S0002-9947-1969-0237477-8. https://www.ams.org/journals/tran/1969-139-00/S0002-9947-1969-0237477-8/S0002-9947-1969-0237477-8.pdf. Retrieved 8 January 2020.
2. ↑ Garcia, Stephan Ramon; Miller, Steven J. (2019). 100 years of math milestones : the Pi Mu Epsilon centennial collection. p. 302. ISBN 978-1-4704-3652-0. https://bookstore.ams.org/mbk-121. Retrieved 9 January 2020.
3. ↑ Risch, Robert H. (1979). "Algebraic Properties of the Elementary Functions of Analysis". American Journal of Mathematics 101 (4): 743–759. doi:10.2307/2373917.
4. ↑ "Robert Henry Risch record at UC Berkeley". https://math.berkeley.edu/people/grad/robert-henry-risch. Retrieved 8 January 2020.
5. ↑ "Robert Henry Risch at Mathematics Genealogy Project". https://www.genealogy.math.ndsu.nodak.edu/id.php?id=32467. Retrieved 9 January 2020.
6. ↑ "Mathematics of AI". https://researcher.watson.ibm.com/researcher/view_group.php?id=9860. Retrieved 9 January 2020.
7. ↑ "Past Members: Robert Henry Risch". 9 December 2019. https://www.ias.edu/scholars/robert-henry-risch.

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