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Theodore Motzkin

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Nationality
  
American

Role
  
Mathematician

Institutions
  
UCLA

Education
  
Alma mater
  
Name
  
Theodore Motzkin


Theodore Motzkin httpswwwcahutexasedudbdmrimagelgemath

Born
  
March 26, 1908Berlin, Germany (
1908-03-26
)

Doctoral students
  
John SelfridgeRafael Artzy

Known for
  
Motzkin transposition theoremMotzkin numberPIDs that are not EDsLinear programmingFourier–Motzkin elimination

Died
  
October 15, 1970, Los Angeles, California, United States

People also search for
  
Notable students
  
Alexander Hurwitz, John Selfridge

Doctoral advisor
  

Theodore Samuel Motzkin (26 March 1908 – 15 December 1970) was an Israeli-American mathematician.

Contents

Biography

Motzkin's father Leo Motzkin, a Ukrainian Jew, went to Berlin at the age of thirteen to study mathematics. He pursued university studies in the topic and was accepted as a graduate student by Leopold Kronecker, but left the field to work for the Zionist movement before finishing a dissertation.

Motzkin grew up in Berlin and started studying mathematics at an early age as well, entering university when he was only 15. He received his Ph.D. in 1934 from the University of Basel under the supervision of Alexander Ostrowski for a thesis on the subject of linear programming (Beiträge zur Theorie der linearen Ungleichungen, "Contributions to the Theory of Linear Inequalities", 1936).

In 1935, Motzkin was appointed to the Hebrew University in Jerusalem, contributing to the development of mathematical terminology in Hebrew. During World War II, he worked as a cryptographer for the British government.

In 1948, Motzkin moved to the United States. After two years at Harvard and Boston College, he was appointed at UCLA in 1950, becoming a professor in 1960. He worked there until his retirement.

Motzkin married Naomi Orenstein in Jerusalem. The couple had three sons:

  • Aryeh Leo Motzkin - Orientalist
  • Gabriel Motzkin - philosopher
  • Elhanan Motzkin - mathematician
  • Contributions to mathematics

    Motzkin's dissertation contained an important contribution to the nascent theory of linear programming (LP), but its importance was only recognized after an English translation appeared in 1951. He would continue to play an important role in the development of LP while at UCLA. Apart from this, Motzkin published about diverse problems in algebra, graph theory, approximation theory, combinatorics, numerical analysis, algebraic geometry and number theory.

    The Motzkin transposition theorem, Motzkin numbers and the Fourier–Motzkin elimination are named after Theodore Motzkin. He first developed the "double description" algorithm of polyhedral combinatorics and computational geometry. He was the first to prove the existence of principal ideal domains that are not Euclidean domains, Z [ 1 + 19 2 ] being his first example.

    The quote "complete disorder is impossible," describing Ramsey theory is attributed to him.

    References

    Theodore Motzkin Wikipedia


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