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Philip Gressman

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Philip T. Gressman
Born(1978-11-22)November 22, 1978
NationalityAmerican
Alma materWashington University in St. Louis (A.B. 2001)
Princeton University (Ph.D. 2005)
Scientific career
FieldsMathematics
InstitutionsUniversity of Pennsylvania
ThesisLp-Lq estimates for radon-like operators (2005)
Doctoral advisorElias Stein

Philip Thaxton Gressman (born November 22, 1978) is an American mathematician at The University of Pennsylvania, working primarily in the field of harmonic analysis.

Gressman grew up in Ava, Missouri, where he graduated from Ava High School in 1997.[1] He double majored in Mathematics and Physics at Washington University in St. Louis in 2001.[2] His undergraduate advisors were Guido Weiss and Edward N. Wilson.[3] Gressman completed his Ph.D. in mathematics at Princeton University in 2005 under the guidance of Elias Stein.[4] He was J. W. Gibbs Assistant Professor at Yale University before earning his permanent position at the University of Pennsylvania.[5]

Together with Robert M. Strain, Gressman solved the full Boltzmann equation, which mathematically models the behavior of a dilute gas. More specifically, they proved global existence of classical solutions and rapid time decay to equilibrium for the Boltzmann equation with long-range interactions, for initial data close to equilibrium.[6][7]

His work on the Boltzmann equation helped him be selected to represent the American Mathematical Society at the 19th Annual Coalition for National Science Funding (CNSF) Capitol Hill Exhibition in May 2013, where he discussed the importance of national science funding for pure and applied mathematics.[8][5]

He was elected as a Fellow of the American Mathematical Society, in the 2025 class of fellows.[9]

References

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  1. ^ "Mailing List WWW Gateway". Passporttoknowledge.com. Archived from the original on 2002-08-23. Retrieved 2018-06-13.
  2. ^ "Washington University Math Department Newsletter" (PDF). 2008. Archived (PDF) from the original on 28 March 2019. Retrieved 28 March 2019.
  3. ^ "Archived copy". Archived from the original on 2015-07-09. Retrieved 2018-06-13.{{cite web}}: CS1 maint: archived copy as title (link)
  4. ^ "Philip Gressman - The Mathematics Genealogy Project". Genealogy.math.ndsu.nodak.edu. Archived from the original on 2018-08-09. Retrieved 2018-06-13.
  5. ^ a b "Philip Gressman Short CV" (PDF). Math.upenn.edui. Archived (PDF) from the original on 4 June 2020. Retrieved 18 July 2018.
  6. ^ Gressman, Philip; Strain, Robert (13 June 2018). "Global classical solutions of the Boltzmann equation without angular cut-off". Journal of the American Mathematical Society. 24 (3): 771–847. arXiv:1011.5441. doi:10.1090/S0894-0347-2011-00697-8. S2CID 115167686. Archived from the original on 16 August 2018. Retrieved 28 April 2021.
  7. ^ "Mathematicians Solve 140-Year-Old Boltzmann Equation - Penn Today". Penn Today. 12 May 2010. Archived from the original on 19 July 2018. Retrieved 18 July 2018.
  8. ^ "Inside the AMS" (PDF). Ams.org. Archived (PDF) from the original on 26 March 2016. Retrieved 18 July 2018.
  9. ^ "2025 Class of Fellows of the AMS". American Mathematical Society. Retrieved 2024-11-01.
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