Peter Lax
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Peter Lax

Peter David Lax
Peter Lax in Tokyo.jpg
Peter Lax in Tokyo, 1969
Born (1926-05-01) 1 May 1926 (age 94)
NationalityAmerican
Alma materStuyvesant High School
Courant Institute
Known forLax-Wendroff method
Lax equivalence theorem
Babu?ka-Lax-Milgram theorem
Lax pairs
Awards
Scientific career
FieldsMathematics
InstitutionsCourant Institute
ThesisNonlinear System of Hyperbolic Partial Differential Equations in Two Independent Variables (1949)
Doctoral advisorK. O. Friedrichs
Doctoral students

Peter David Lax (born Lax Péter Dávid; 1 May 1926) is a Hungarian-born American mathematician working in the areas of pure and applied mathematics.

Lax has made important contributions to integrable systems, fluid dynamics and shock waves, solitonic physics, hyperbolic conservation laws, and mathematical and scientific computing, among other fields.

In a 1958 paper Lax stated a conjecture about matrix representations for third order hyperbolic polynomials which remained unproven for over four decades. Interest in the "Lax conjecture" grew as mathematicians working in several different areas recognized the importance of its implications in their field, until it was finally proven to be true in 2003.[1]

Life and education

Lax was born in Budapest, Hungary to a Jewish family.[2] Lax began displaying an interest in mathematics at age twelve, and soon his parents hired Rózsa Péter as a tutor for him.[3] His parents Klara Kornfield and Henry Lax were both physicians and his uncle Albert Kornfeld (also known as Albert Korodi) was a mathematician, as well as a friend of Leó Szilárd.

The family left Hungary on 15 November 1941, and traveled via Lisbon to the United States. As a high school student at Stuyvesant High School, Lax took no math classes but did compete on the school math team. During this time, he met with John von Neumann, Richard Courant, and Paul Erd?s, who introduced him to Albert Einstein.

As he was still 17 when he finished high school, he could avoid military service, and was able to study for three semesters at New York University. He attended a complex analysis class in the role of a student, but ended up taking over as instructor. He met his future wife, Anneli Cahn (married to her first husband at that time) in this class.[3][4]

Before being able to complete his studies, Lax was drafted into the U.S. Army. After basic training, the Army sent him to Texas A&M University for more studies. He was then sent to Oak Ridge National Laboratory, and soon afterwards to the Manhattan Project at Los Alamos, New Mexico. At Los Alamos, he began working as a calculator operator, but eventually moved on to higher-level mathematics.[]

After the war ended, he remained with the Army at Los Alamos for another year, while taking courses at the University of New Mexico, then studied at Stanford University for a semester with Gábor Szeg? and George Pólya.[3]

Lax returned to NYU for the 1946-1947 academic year, and by pooling credits from the four universities at which he had studied, he graduated that year. He stayed at NYU for his graduate studies, marrying Anneli in 1948 and earning a PhD in 1949 under the supervision of Kurt O. Friedrichs.[3][4]

Lax holds a faculty position in the Department of Mathematics, Courant Institute of Mathematical Sciences, New York University.[]

Awards and honors

He is a member of the Norwegian Academy of Science and Letters[5] and the National Academy of Sciences, USA. He won a Lester R. Ford Award in 1966[6] and again in 1973.[7] He was awarded the National Medal of Science in 1986, the Wolf Prize in 1987, the Abel Prize in 2005 and the Lomonosov Gold Medal in 2013.[8] The American Mathematical Society selected him as its Gibbs Lecturer for 2007.[9] In 2012 he became a fellow of the American Mathematical Society.[10]

Lax is listed as an ISI highly cited researcher.[11] According to György Marx he was one of The Martians.[12]

Lax also received an Honorary Doctorate from Heriot-Watt University in 1990[13]

The CDC 6600 Incident

In 1970, the Transcendental Students took a CDC 6600 super computer hostage at NYU's Courant Institute which Lax had been instrumental in acquiring. Some of the students present, possibly members of the Weathermen, threatened to destroy the computer with incendiary devices, but Lax managed to disable the devices and save the machine.[14][15]

Books

  • Calculus with Applications and Computing, with S. Burstein and A. Lax, Springer-Verlag, New York (1979).
  • Complex Proofs of Real Theorems, with Lawrence Zalcman, University Lecture Series, 2012; 90 pp; softcover, Volume: 58, ISBN 978-0-8218-7559-9
  • Decay of Solutions of Systems of Nonlinear Hyperbolic Conservation Laws, with J. Glimm, American Mathematical Society (1970).
  • Lax, Peter D. (4 April 2002). Functional Analysis (PDF). Pure and Applied Mathematics. New York: Wiley-Interscience. ISBN 978-0-471-55604-6. OCLC 47767143. Retrieved 2020.CS1 maint: ref=harv (link) CS1 maint: date and year (link)[16]
  • Functional Analysis, Wiley-Interscience, New York (2002)
  • Hyperbolic Partial Differential Equations, American Mathematical Society/Courant Institute of Mathematical Sciences (2006).
  • Hyperbolic Systems of Conservation Laws and the Mathematical Theory of Shock Waves, Society for Industrial Mathematics (1987).
  • Linear Algebra and Its Applications, 2nd ed., Wiley-Interscience, New York (2007).
  • Mathematical Aspects of Production and Distribution of Energy
  • Nonlinear Partial Differential Equations in Applied Science
  • Recent Advances in Partial Differential Equations
  • Recent Mathematical Methods in Nonlinear Wave Propagation, with G. Boillat, C. M. Dafermos, T.-P. Liu, and T. Ruggeri, Springer (1996).
  • Scattering Theory, with R. S. Phillips, Academic Press (1989), ISBN 0-12-440051-5.
  • Scattering Theory for Automorphic Functions with R. S. Phillips, Princeton Univ. Press (2001).
  • Lax, Peter D. (2005). Selected papers. Vol. I. Berlin, New York: Springer-Verlag. ISBN 978-0-387-22925-6. MR 2164867.[17]
  • Lax, Peter D. (2005). Selected papers. Vol. II. Berlin, New York: Springer-Verlag. ISBN 978-0-387-22926-3. MR 2164868.

See also

Notes

  1. ^ Lewis, Adrian S.; Parrilo, Pablo A.; Ramana, Motakuri V. (2005). "The Lax conjecture is true". Proc. Amer. Math. Soc. 133 (9): 2495-2499. arXiv:math/0304104. doi:10.1090/S0002-9939-05-07752-X. MR 2146191.
  2. ^ "Peter Lax | Hungarian-American mathematician".
  3. ^ a b c d Albers, Donald J.; Alexanderson, Gerald L.; Reid, Constance, eds. (1990), "Peter D. Lax", More Mathematical People, Harcourt Brace Jovanovich, pp. 138-159.
  4. ^ a b Dreifus, Claudia (29 March 2005). "A Conversation with Peter Lax - From Budapest to Los Alamos, a Life in Mathematics". The New York Times. Retrieved 2007.
  5. ^ "Gruppe 1: Matematiske fag" (in Norwegian). Norwegian Academy of Science and Letters. Retrieved 2010.
  6. ^ Lax, Peter D. (1965). "Numerical solutions of partial differential equations". Amer. Math. Monthly. 72, Part II (2): 78-84. doi:10.2307/2313313. JSTOR 2313313.
  7. ^ Lax, Peter D. (1972). "The formation and decay of shock waves". Amer. Math. Monthly. 79 (3): 227-241. doi:10.2307/2316618. JSTOR 2316618.
  8. ^ http://www.ras.ru/win/db/award_dsc.asp?P=id-1.ln-en
  9. ^ Lax, Peter D. (2008). "Mathematics and physics". Bull. Amer. Math. Soc. 45 (1): 135-152. doi:10.1090/s0273-0979-07-01182-2. MR 2358380.
  10. ^ List of Fellows of the American Mathematical Society, retrieved 2013-01-27.
  11. ^ Thomson ISI. "Lax, Peter D., ISI Highly Cited Researchers". Retrieved 2009.
  12. ^ A marslakók legendája - György Marx
  13. ^ webperson@hw.ac.uk. "Heriot-Watt University Edinburgh: Honorary Graduates". www1.hw.ac.uk. Retrieved 2016.
  14. ^ Philip Colella (26 April 2004). "Peter Lax". Society for Industrial and Applied Mathematics. Cite journal requires |journal= (help)
  15. ^ Barron, James (7 December 2015). "The Mathematicians Who Saved a Kidnapped N.Y.U. Computer". The New York Times.
  16. ^ Zhu, Meijun (2006). "Review: Functional analysis, by Peter D. Lax" (PDF). Bull. Amer. Math. Soc. (N.S.). 43 (1): 123-126. doi:10.1090/s0273-0979-05-01073-6.
  17. ^ Hersh, Reuben (2006). "Review of Selected papers of Peter Lax, Vol. I, edited by Peter Sarnak and Andrew Majda". Bull. Amer. Math. Soc. 43: 605-608. doi:10.1090/s0273-0979-06-01117-7.

External links


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