James Alexander Shohat (aka Jacques Chokhate (or Chokhatte), 18 November 1886,
Brest-Litovsk – 8 October 1944,
Philadelphia
Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Sinc ...
) was a Russian-American mathematician at the
University of Pennsylvania
The University of Pennsylvania (also known as Penn or UPenn) is a private research university in Philadelphia. It is the fourth-oldest institution of higher education in the United States and is ranked among the highest-regarded universitie ...
who worked on the
moment problem
In mathematics, a moment problem arises as the result of trying to invert the mapping that takes a measure ''μ'' to the sequences of moments
:m_n = \int_^\infty x^n \,d\mu(x)\,.
More generally, one may consider
:m_n = \int_^\infty M_n(x) ...
.
He studied at the
University of Petrograd
Saint Petersburg State University (SPBU; russian: Санкт-Петербургский государственный университет) is a public research university in Saint Petersburg, Russia. Founded in 1724 by a decree of Peter the G ...
and married the physicist
Nadiascha W. Galli, the couple emigrating from Russia to the United States in 1923.
He was an Invited Speaker of the
ICM in 1924 at Toronto.
Selected works
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* with J. Sherman:
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* with
J. D. Tamarkin:
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[18 Aug. 2012 email from R. Askey: "]Norman Levinson
Norman Levinson (August 11, 1912 in Lynn, Massachusetts – October 10, 1975 in Boston) was an American mathematician. Some of his major contributions were in the study of Fourier transforms, complex analysis, non-linear differential equation ...
give the following paper a very strong review. On van der Pol's and non-linear differential equations, J. Appl. Phys15 (1944), 568-574 long with giving a very strong negative comment on Shohat's earlier paper on von der Pol's equation"
See also
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Shohat expansion
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Shohat–Favard theorem In mathematics, Favard's theorem, also called the Shohat–Favard theorem, states that a sequence of polynomials satisfying a suitable 3-term recurrence relation is a sequence of orthogonal polynomials. The theorem was introduced in the theory of ...
References
External links
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{{DEFAULTSORT:Shohat, James Alexander
20th-century American mathematicians
Mathematical analysts
1886 births
1944 deaths
Academic staff of Herzen University
Soviet emigrants to the United States