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Boris Trakhtenbrot

Boris (Boaz) Abramovich Trakhtenbrot (Russian: Борис Авраамович Трахтенброт, Hebrew: בועז טרכטנברוט; 19 February 1921 – 19 September 2016) was a Russian-Israeli mathematician in logic, algorithms, theory of computation, and cybernetics.

Biography

Trakhtenbrot was born into a Jewish family in Brichevo, northern Bessarabia (now Tîrnova, Moldova).[1] He studied at the Moldovan State Pedagogical Institute in Kishinev, Chernivtsi University, and the Ukrainian Academy of Science's Mathematical Institute, completing a Ph.D. at the latter institution in 1950.[2]

He worked at Akademgorodok, Novosibirsk during the 1960s and 1970s.[3][4] In 1964 Trakhtenbrot discovered and proved a fundamental result in theoretical computer science called the gap theorem.[5] He also discovered and proved the theorem in logic, model theory, and computability theory now known as Trakhtenbrot's theorem.[6]

After immigrating to Israel in 1981, he became a professor in the Faculty of Exact Sciences at Tel Aviv University, and continued as professor emeritus until his death. He died on 19 September 2016, at the age of 95.[2][7]

Notes

  1. ^ "Surnames starting with the letter T". Russian Jewish Encyclopedia. Translated by Charny, Josif; Charny, Vitaly. Moscow. 1995. Archived from the original on 15 April 2003.{{cite encyclopedia}}: CS1 maint: location missing publisher (link)
  2. ^ a b "Boaz (Boris) Trakhtenbrot, 1921–2016". Faculty of Exact Sciences. Tel Aviv University. Archived from the original on 6 March 2021.
  3. ^ Борис Абрамович Трахтенброт [Boris A. Trakhtenbrot]. Архив академика А.П. Ершова (in Russian). Archived from the original on 26 July 2011.
  4. ^ "History of Computing in Russia" Борис Авраамович Трахтенброт [Boris Avraamovich Trahtenbrot] (in Russian). Archived from the original on 29 April 2008. Retrieved 22 January 2008.
  5. ^ Boris Trakhtenbrot (1964). "Turing computations with logarithmic delay". Algebra and Logic (in Russian). 3 (4): 33–48.
  6. ^ Boris Trakhtenbrot (1950). "The Impossibility of an Algorithm for the Decidability Problem on Finite Classes". Proceedings of the USSR Academy of Sciences (in Russian). 70 (4): 569–572.
  7. ^ Fisher, Lawrence M. (21 September 2016). "In Memoriam: Boris Trakhtenbrot, 1921-2016". Communications of the ACM. Association for Computing Machinery.

External links

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