Lotfi A. Zadeh Explained

Birth Name:Lotfi Aliaskerzadeh
Birth Date:4 February 1921
Birth Place:Baku, Azerbaijan Soviet Socialist Republic
Death Date:[1]
Death Place:Berkeley, California, US[2]
Work Institution:University of California, Berkeley
Doctoral Advisor:John R. Ragazzini
Thesis Title:Frequency analysis of variable networks
Thesis Year:1949
Thesis Url:http://clio.columbia.edu/catalog/1502694
Known For:Founder of fuzzy mathematics,
fuzzy set theory, and fuzzy logic, Z numbers, Z-transform
Awards:Eringen Medal
IEEE Hamming Medal
Rufus Oldenburger Medal (1993)
IEEE Medal of Honor
2012 BBVA Foundation Frontiers of Knowledge Award
Honorary Doctorate of Tehran University (2016)
ACM Fellow
IEEE Fellow
AAAS Fellow
AAAI Fellow
Member of the National Academy of Engineering
Founding Member of Eurasian Academy
Spouse:Fay Zadeh
Children:2, including Norman Zada

Lotfi Aliasker Zadeh (; Azerbaijani: Lütfi Rəhim oğlu Ələsgərzadə;[3] Persian: لطفی علی‌عسکرزاده;[4] 4 February 1921 – 6 September 2017) was a mathematician, computer scientist, electrical engineer, artificial intelligence researcher, and professor of computer science at the University of California, Berkeley. Zadeh is best known for proposing fuzzy mathematics, consisting of several fuzzy-related concepts: fuzzy sets, fuzzy logic, fuzzy algorithms,[5] fuzzy semantics,[6] fuzzy languages,[7] fuzzy control,[8] fuzzy systems,[9] fuzzy probabilities,[10] fuzzy events,[10] and fuzzy information.[11] Zadeh was a founding member of the Eurasian Academy.[12]

Early life and career

Azerbaijan

Zadeh was born in Baku, Azerbaijan SSR,[13] as Lotfi Aliaskerzadeh.[14] His father was Rahim Aleskerzade, an Iranian Muslim Azerbaijani[15] journalist from Ardabil on assignment from Iran, and his mother was Fanya (Feyga[16]) Korenman, a Jewish pediatrician from Odesa, Ukraine, who was an Iranian citizen.[17] [18] [19] [20] The Soviet government at this time courted foreign correspondents, and the family lived well while in Baku.[21] Zadeh attended elementary school for three years there, which he said "had a significant and long-lasting influence on my thinking and my way of looking at things."[22]

Iran

In 1931, when Stalin began agricultural collectivization,[16] and Zadeh was ten, his father moved his family back to Tehran, Iran. Zadeh was enrolled in Alborz High School, a missionary school,[16] where he was educated for the next eight years, and where he met his future wife, Fay (Faina[16]) Zadeh, who said that he was "deeply influenced" by the "extremely decent, fine, honest and helpful" Presbyterian missionaries from the United States who ran the college. "To me they represented the best that you could find in the United States – people from the Midwest with strong roots. They were really 'Good Samaritans' – willing to give of themselves for the benefit of others. So this kind of attitude influenced me deeply. It also instilled in me a deep desire to live in the United States." During this time, Zadeh was awarded several patents.

Zadeh sat for the Iran national university exams and placed third in the nation. As a student, he ranked first in his class in his first two years. In 1942, he graduated from the University of Tehran with a degree in electrical engineering, one of only three students in that field to graduate that year, due to the turmoil created by World War II, when the United States, Britain and the Soviet Union invaded Iran. Over 30,000 American soldiers were based there, and Zadeh worked with his father, who did business with them as a contractor for hardware and building materials.[23]

United States

In 1943, Zadeh decided to leave for the United States to continue his education.[16] He travelled to Philadelphia by way of Cairo after months of delay waiting first for the proper papers and later for the right ship to appear. He arrived in mid-1944, lived in New York and worked for an electronic association,[16] and entered the Massachusetts Institute of Technology (MIT) as a graduate student in September that year.[16] While in the United States, he shortened his family name, creating a new middle name from the part he removed, and was thenceforth known as Lotfi Aliasker Zadeh. He received an MS degree in electrical engineering from MIT in 1946.

In 1947, as his parents had settled in New York City, Zadeh went to work as an engineer at Columbia University.[16] Zadeh then applied to Columbia University.[16] Columbia admitted him as a doctoral student and offered him an instructorship as well. He received his PhD in electrical engineering from Columbia in 1949 and became an assistant professor the next year.[20] Zadeh taught for ten years at Columbia and was promoted to full professor in 1957.

The chairman of the electronic engineering department at the University of California, wrote and offered him work.[16] In 1959, Zadeh joined the Electrical Engineering faculty at the University of California, Berkeley. During his lengthy research career, Zadeh made important scientific contributions in two distinct areas: (1) linear system theory and classical control systems, and (2) fuzzy sets, fuzzy logic, and related science and technology.

Zadeh was awarded a Guggenheim Fellowship in 1967 for Natural Sciences in Applied Mathematics.[24] Zadeh's first important research contribution, well known among scholars of his generation in the electrical engineering community, was in the area of classical control systems. His pioneer work, co-authored with Charles Desoer, Linear System Theory: The State Space Approach, laid a critical foundation for all modern approaches to system analysis and control.[25] The second and more well-known contribution of Zadeh's research is his lifelong dedication to the creation, enhancement and the real-world impacts of a broad collection of science and technology based on fuzzy sets and fuzzy logic. He published his seminal work on fuzzy sets in 1965, in which he described the motivation of replicating human-like reasoning and detailed the mathematics of fuzzy set theory.

In 1973 he proposed his theory of fuzzy logic. Together, fuzzy sets and fuzzy logic provide the necessary foundations for a broad class of related innovations, including (but not limited to):

He was also on the Board of Governors for International Neural Network Society (INNIS) in 2003.

Impacts to higher education

Zadeh became the Chair of Department of Electrical Engineering at the University of California, Berkeley, in 1963. One of the lasting impacts of his leadership in this role is the expansion and the integration of computer science. He initiated and completed (in 1968) the transformation of the Electrical Engineering department at UC Berkeley to the Department of Electrical Engineering and Computer Science (EECS). This strategic move not only led UC Berkeley's advancement into the top ranks of computer science education and research, but also led other research universities globally to add computer science to their electrical engineering departments.

In 1973, Lotfi Zadeh received the prestigious (Institute of Electronic and Electrical Engineers) IEEE Education Award, largely in recognition of his performance as chair of EE and then EECS. Other important services to UC Berkeley include his Academic Senate committee memberships: Academic Planning & Resource Allocation (1992–95); Committees (1969–70; 1980–81); Courses of Instruction (1975–80); and Faculty Awards (1990–92). Professor Zadeh graduated more than 50 PhD students, many of whom went on to become leaders in various areas of engineering, management and information sciences.[26]

Personal life and beliefs

Zadeh photographed people around him.[27]

Zadeh was called "quick to shrug off nationalism, insisting there are much deeper issues in life", and was quoted as saying in an interview: "The question really isn't whether I'm American, Russian, Iranian, Azerbaijani, or anything else. I've been shaped by all these people and cultures, and I feel quite comfortable among all of them."[28] He noted in the same interview: "Obstinacy and tenacity, not being afraid to get embroiled in controversy – that's very much a Turkish tradition. That's part of my character, too. I can be very stubborn. That has probably been beneficial for the development of fuzzy logic."[29] He described himself as "an American, mathematically oriented, electrical engineer of Iranian descent, born in Russia."

He and his wife Fay Zadeh had two children, Stella and Norman Zada. His wife wrote a book, My Life and Travels with the Father of Fuzzy Logic[30] about their travels and experiences together, visiting "exotic places" and meeting interesting people around the world.

Zadeh died in his home in Berkeley, California, on 6 September 2017, at the age of 96. He was buried at the First Alley of Honors, on 29 September 2017[31] in Baku, Azerbaijan, the city in which he was born. His funeral was well attended by "highly respected people."[32] A month prior to his death, the University of Tehran had released an erroneous report that Zadeh had died, but withdrew it several days later.[33]

Work

According to Google Scholar, as of November 2021, Zadeh's work has been cited at least 269,091 times in scholarly works,[34] with the 1965 Fuzzy sets paper receiving at least 122,743 citations.[35]

Fuzzy sets and systems

Zadeh, in his theory of fuzzy sets, proposed using a membership function (with a range covering the interval [0,1]) operating on the domain of all possible values. He proposed new operations for the calculus of logic and showed that fuzzy logic was a generalisation of classical and Boolean logic. He also proposed fuzzy numbers as a special case of fuzzy sets, as well as the corresponding rules for consistent mathematical operations (fuzzy arithmetic).[36]

Fuzzy logic and artificial intelligence

Zadeh's research career has had a lasting impact on artificial intelligence (AI). Fuzzy sets and fuzzy logic are both motivated by our understanding of human cognition: that we are comfortable with concepts that have vague boundaries. This is well aligned with the Physical symbol system assumption in AI (by Allen Newell and Herbert A. Simon), inspired by another aspect of human cognition: that humans are comfortable with concepts that are described by symbols.

The concept of a linguistic variable in fuzzy logic connects a symbol that is typically a predicate in classical logic (e.g., "John is Bold", or in predicate logic – Bold(John)) – to linguistic values (e.g., "John is somewhat bold." or in fuzzy logic – Bold(John)=Somewhat) – which generalizes the binary value of predicate logic in two ways. First, the two possible values (True or False) in predicate logic are generalized to a continuum (typically from 0, which corresponds to False, to 1, which corresponds to True). This allows the expression of Bold(John)= 0.5, which indicates that John is midway between being devoid of boldness and being entirely bold.

The second generalization enabled by fuzzy logic is to use a fuzzy set such as "somewhat bold" to describe a person's boldness level in a way that is more natural to human understanding and communication. Without this generalization, we can only describe the value of a person's boldness as a number (e.g., 0.5) or as an interval (e.g., [0.25, 0.75]). With this generalization, one can express the semantic meaning of "somewhat bold" as a fuzzy set in the domain of 0 and 1.

Zadeh was also an active contributor to the AI community, including at the Dartmouth Workshop that coined the term "artificial intelligence". He was subsequently a frequent contributor to leading AI conferences such as AAAI and IJCAI, as well as other top venues such as AI Magazine.

Other contributions

Zadeh is credited, along with John R. Ragazzini, in 1952, with having pioneered the development of the Z-transform method in discrete time signal processing and analysis. These methods are now standard in digital signal processing, digital control, and other discrete-time systems used in industry and research. He was an editor of the International Journal of Computational Cognition.

Zadeh's work also included computing with words and perceptions. His later papers include "From Search Engines to Question-Answering Systems"[37] and "Toward a Generalized Theory of Uncertainty (GTU)—An Outline".[38]

Selected publications

A complete list of publications is available.

Lectures

Awards and honors

Zadeh was a Fellow of the Institute of Electrical and Electronics Engineers, the American Academy of Arts and Sciences, the Association for Computing Machinery, the Association for the Advancement of Artificial Intelligence and the International Fuzzy Systems Association, and a member of the National Academy of Engineering.[39] He was also a member of the Academies of Science of Azerbaijan, Bulgaria, Finland, Korea and Poland, and of the International Academy of Systems Studies in Moscow. He received 24 honorary doctorates.

Awards received by Zadeh include, among many others:

Legacy

In 2014, the IEEE Systems, Man, and Cybernetics Society established the "Lotfi A. Zadeh Pioneer Award", which is given to honour a person or persons with "outstanding and pioneering contributions to academic and/or industrial research in systems science and engineering, human-machine systems, and/or cybernetics." The award is funded from a $100,000 donation from Zadeh's son, Norm Zadeh, and is administered by the IEEE. Nominees must have "pioneered and developed innovative research, executed in either academe or industry," that has resulted in major scientific advances in "systems science and engineering, human-machine systems, and/or cybernetics." Contributions must have been made at least 15 years prior to the award date.[48]

In February 2019, ADA University in Baku, Azerbaijan presented the first "Lotfi Zadeh Scholarships", which honour the academic success of undergraduate students in the university's School of IT and Engineering. Winners of the scholarship receive a complete tuition waiver for the semester or semester-equivalent in which they achieved a 4.0 average.[49]

On 4 February 2021, the IEEE Computational Intelligence Society and the International Fuzzy Systems Association (IFSA) jointly celebrated the centenary of Zadeh's birth.[50]

On 30 November 2021, Google honored Zadeh with a Google Doodle.[51] [52] His seminal paper Fuzzy sets was submitted for publication on this day in 1964.[51]

See also

References

General bibliography

Further reading

External links

Notes and References

  1. News: . 2017-09-12 . Lotfi Zadeh dead: Computing revolutionary and founder of fuzzy logic dies aged 96 . live . . https://web.archive.org/web/20211130075114/https://www.ibtimes.co.uk/lotfi-zadeh-dead-computing-revolutionary-founder-fuzzy-logic-dies-aged-96-1638636 . 2021-11-30 . 2021-12-02 . Lotfali Rahim Oglu Asgarzadeh, better known as Lotfi A. Zadeh, was an Iranian mathematician, artificial intelligence researcher and professor of computer science at the University of California. He died on 6 September at 7.30 am it was confirmed by close friend..
  2. News: Metz . Cade . 2017-09-11 . Lotfi Zadeh, Father of Mathematical 'Fuzzy Logic,' Dies at 96 . live . subscription . . en-us . https://web.archive.org/web/20211201222155/https://www.nytimes.com/2017/09/11/science/lotfi-zadeh-father-of-mathematical-fuzzy-logic-dies-at-96.html . 2021-12-01 . 2021-12-02 . 0362-4331 . 1553-8095 . 1645522 . Lotfi Zadeh, the computer scientist and electrical engineer whose theories of "fuzzy logic" rippled across academia and industry, influencing everything from linguistics, economics and medicine to air-conditioners, vacuum cleaners and rice cookers, died on Wednesday at his home in Berkeley, Calif. He was 96..
  3. Web site: Diasporla İş üzrə Dövlət Komitəsi . 2014-06-07 . 2014-07-04 . https://web.archive.org/web/20140704184103/http://diaspora.gov.az/index.php?options=content&id=619 . live .
  4. Web site: Granting honorary doctorate from Tehran University to professor Lotfizadeh. Official website of University of Tehran (UT). 1 July 2017. Tehran, Iran. fa. March 9, 2016. 16 January 2021. https://web.archive.org/web/20210116022537/https://ut.ac.ir/fa/news/3017/%D8%A7%D8%B9%D8%B7%D8%A7%DB%8C-%D8%AF%DA%A9%D8%AA%D8%B1%D8%A7%DB%8C-%D8%A7%D9%81%D8%AA%D8%AE%D8%A7%D8%B1%DB%8C-%D8%AF%D8%A7%D9%86%D8%B4%DA%AF%D8%A7%D9%87-%D8%AA%D9%87%D8%B1%D8%A7%D9%86-%D8%A8%D9%87-%D9%BE%D8%B1%D9%88%D9%81%D8%B3%D9%88%D8%B1-%D9%84%D8%B7%D9%81%DB%8C-%D8%B2%D8%A7%D8%AF%D9%87. live.
  5. Zadeh . L.A. . Lotfi A. Zadeh . 1 . 1968-02-01 . Fuzzy algorithms . . en . . San Diego, California . 12 . 2 . 94–102 . 10.1016/S0019-9958(68)90211-8 . free . 0019-9958 . 59047612 . 871736339.
  6. 10.1016/S0020-0255(71)80004-X. Quantitative fuzzy semantics. Information Sciences. 3. 2. 159–176. 1971. Zadeh . L.A.. Lotfi A. Zadeh . 1.
  7. 10.1016/0020-0255(69)90025-5. Note on fuzzy languages. Information Sciences. 1. 4. 421–434. 1969. Lee. E. T. . Zadeh . L. A. . Lotfi A. Zadeh . 1.
  8. 10.1115/1.3426540. A Rationale for Fuzzy Control. Journal of Dynamic Systems, Measurement, and Control. 94. 3. 1972. Zadeh . L. A.. Lotfi A. Zadeh . 1.
  9. Web site: Toward a theory of fuzzy systems . Zadeh . L. . Lotfi A. Zadeh . 1 . 1969 . 18 October 2014 . 22 October 2014 . https://web.archive.org/web/20141022155253/http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19690027655.pdf . live.
  10. 10.1016/0306-4573(84)90067-0. Fuzzy probabilities. Information Processing & Management. 20. 3. 363–372. 1984. Zadeh. L. A.. Lotfi A. Zadeh. 1.
  11. 10.1016/S0165-0114(97)00077-8. Toward a theory of fuzzy information granulation and its centrality in human reasoning and fuzzy logic. Fuzzy Sets and Systems. 90. 2. 111–127. 1997. Zadeh. L. A.. Lotfi A. Zadeh. 1.
  12. Web site: Eurasian Academy Official Site . 2021-05-12 . 2020-06-21 . https://web.archive.org/web/20200621220757/http://eurasia-academy.org/?page_id=54%2F . live .
  13. At this time, the Azerbaijan SSR was an independent republic, created by the Red Army. It would become part of the Transcaucasian Socialist Federative Soviet Republic in March 1922, and then part of the Soviet Union in December 1922.
  14. [#McNeil|McNeil & Freiberger]
  15. Blair, Betty (winter 1994) "Interview with Lotfi Zadeh" Azerbaijan International. "Obstinacy and tenacity. Not being afraid to get embroiled in controversy. That's very much a Turkish tradition. That's part of my character, too"http://azer.com/aiweb/categories/magazine/24_folder/24_articles/24_fuzzylogic.html
  16. Samad . Mohbaddin . A Phenomenon in Modern Science or Who Are You Lotfi Zadeh? . 30 November 2021 . Visions of Azerbaijan Magazine . 4 . 2 . Summer 2009 . en . ...mother Feyga and wife Faina...wife Faina, son Norman and daughter Stella...mother Feyga, father Rahim...(Mohbaddin Samad is the screen writer of the documentary film Far and Near Lotfi Zadeh (in Azerbaijani and English) and the author of a book about Lotfi Zadeh, The World Cannot Survive Without Geniuses).
  17. Fuzzy logic—a personal perspective . 2015-05-21 . 10.1016/j.fss.2015.05.009 . 281 . 4–20 . Fuzzy Sets and Systems. Zadeh . Lotfi A..
  18. http://www.jinfo.org/Computer_Info_Science.html "Jews in Computer & Information Science"
  19. http://alamjurnal.com/stati/262-zhanet-selimova Анвар Унугви "Жанет Селимова"
  20. Gale, Thomson. Lotfi Asker Zadeh Biography World of Computer Science
  21. [#McNeil|McNeil & Freiberger]
  22. Blair . Betty . Winter 1994 . Famous People: Then and Now Lotfi Zadeh . . 28–29 . 2 . 4 . https://web.archive.org/web/20231208181813/https://www.azer.com/aiweb/categories/magazine/74_folder/74.articles/74_zadeh.html . 2023-12-08 . 2024-02-06 . 1075-086X . What experiences and interests in childhood would you say shaped your life and career? I went through the first three grades of elementary school in Baku. Those three years - from age 7 to 10 - had a significant and long-lasting influence on my thinking and my way of looking at things..
  23. [#McNeil|McNeil & Freiberger]
  24. Web site: Lotfi A. Zadeh . . 30 November 2021.
  25. Zadeh, Lotfi and Desoer, Charles, Linear System Theory: The State Space Approach, Courier Dover Publications, 2008 (reprint).
  26. https://senate.universityofcalifornia.edu/in-memoriam/files/lotfi-a-zadeh.html Lotfi A Zadeh
  27. Web site: Crowley . Magdalene L. . Portraits by Lotfi Zadeh . EECS Department Newsletter . UC Berkeley . 30 November 2021 . 27 February 2018.
  28. Blair . Betty . Winter 1994 . Lotfi Zadeh Short Biographical Sketch . . 49 . 2 . 4 . https://web.archive.org/web/20231204143910/https://www.azer.com/aiweb/categories/magazine/24_folder/24_articles/24_zadeh.html . 2023-12-04 . 2024-02-06 . 1075-086X . He's quick to shrug off nationalism, insisting there are much deeper issues in life. "The question really isn't whether I'm American, Russian, Iranian, Azerbaijani, or anything else," he'll tell you. "I've been shaped by all these people and cultures and I feel quite comfortable among all of them.".
  29. Blair . Betty . Winter 1994 . Interview with Lotfi Zadeh Creator of Fuzzy Logic . . 46–47, 50 . 2 . 4 . https://web.archive.org/web/20240205084733/https://www.azer.com/aiweb/categories/magazine/24_folder/24_articles/24_fuzzylogic.html . 2024-02-05 . 2024-02-06 . 1075-086X . And what about the influence from Azerbaijanis? [...] Obstinacy and tenacity. Not being afraid to get embroiled in controversy. That's very much a Turkish tradition. That's part of my character, too. I can be very stubborn. That's probably been beneficial for the development of Fuzzy Logic..
  30. Book: Zadeh . Fay . My Life and Travels with the Father of Fuzzy Logic . . 1998 . 978-1889335056 . 40252107 . OL12186678M .
  31. Web site: Prominent scientist Lotfi Zadeh buried in Baku - PHOTO . AzerNews.az . 30 November 2021 . en . 29 September 2017 . ...Lotfi Zadeh was laid to rest at the First Alley of Honors in Baku on September 29. State and government officials, scientists and representatives of the general public attended the funeral, Azertac reported....
  32. Brewer, Jared and Shakeel, Azwar (September 17, 2017) "UC Berkeley professor, creator of 'fuzzy logic' Lotfi Zadeh dies at 96" The Daily Californian
  33. News: Lotfi Zadeh, Father Of Fuzzy Logic Dies At 96 . . 11 September 2017 . en.
  34. Web site: Lotfi A. Zadeh . . 30 November 2021 . https://web.archive.org/web/20211130203932/https://scholar.google.com/citations?user=S6H-0RAAAAAJ . 30 November 2021 . All Citations: 269091.
  35. Web site: Zadeh . Lotfi . Fuzzy Sets . . 30 November 2021 . https://web.archive.org/web/20211130203157/https://scholar.google.com/citations?view_op=view_citation&hl=en&user=S6H-0RAAAAAJ&citation_for_view=S6H-0RAAAAAJ%3AQKtdBID3u5MC . 30 November 2021 . 1965 . Total citations: Cited by 122743.
  36. [#McNeil|McNeil & Freiberger]
  37. Book: Zadeh, Lotfi A. . 2006 . From search engines to question answering systems—The problems of world knowledge, relevance, deduction and precisiation . Sanchez . Elie . Fuzzy Logic and the Semantic Web . Capturing Intelligence . 1 . Elsevier . 163–210 . 9780444519481 . 62475292 . 10.1016/S1574-9576(06)80011-0 . https://archive.org/details/fuzzylogicsemant0000unse/page/163 . registration . 10.1.1.89.3883.
  38. Zadeh . Lotfi A. . June 2005 . Toward a generalized theory of uncertainty (GTU)—an outline . . 172 . 1 . 1–40 . 10.1016/j.ins.2005.01.017 . 10.1.1.95.1834.
  39. Web site: Dr. Lotfi A. Zadeh was elected in 1973 as a member of National Academy of Engineering in Computer Science & Engineering and Electronics, Communication & Information Systems Engineering. . 2015-12-08 . 2015-12-08 . https://web.archive.org/web/20151208190559/http://www.nae.edu/MembersSection/MemberDirectory/28316.aspx . live .
  40. Web site: IEEE James H. Mulligan, Jr. Education Medal Recipients . . . 2010-11-24 . https://web.archive.org/web/20101124235219/http://ieee.org/documents/education_rl.pdf . live .
  41. Web site: IEEE Richard W. Hamming Medal Recipients . IEEE . . 2015-06-12 . https://web.archive.org/web/20150612152243/http://www.ieee.org/documents/hamming_rl.pdf . live .
  42. Web site: Rufus Oldenburger Medal . . . 2019-11-07 . https://web.archive.org/web/20191107200153/https://www.asme.org/about-asme/honors-awards/achievement-awards/rufus-oldenburger-medal . live .
  43. Web site: IEEE Medal of Honor Recipients . IEEE . . dead. https://web.archive.org/web/20150422004457/http://www.ieee.org/documents/moh_rl.pdf . 2015-04-22 .
  44. Web site: Richard E. Bellman Control Heritage Award . . . 2018-10-01 . https://web.archive.org/web/20181001032837/http://a2c2.org/awards/richard-e-bellman-control-heritage-award . live .
  45. 10.1109/MIS.2011.64 . AI's Hall of Fame . . 26 . 4 . 5–15 . 2011 . 2015-09-04 . 2011-12-16 . https://web.archive.org/web/20111216235804/http://www.computer.org/cms/Computer.org/ComputingNow/homepage/2011/0811/rW_IS_AIsHallofFame.pdf . dead .
  46. Web site: Tudósítás Prof. Dr. Lotfi A. Zadeh díszdoktoravatásáról . Report on the inauguration of Prof. Dr. Lotfi A. Zadeh . . hu . 2011-11-08 . 2021-11-30 . https://web.archive.org/web/20200803151347/http://news.uni-obuda.hu/articles/2011/11/08/tudositas-prof-dr-lotfi-a-zadeh-diszdoktoravatasarol . 2020-08-03 . live . A Nobel-díjas Dr. Oláh György díszdoktorrá avatását követően Prof. Dr. Lotfi A. Zadeh, az University of California, Berkeley professzora, a Berkeley Initiative in Soft Computing (BISC) intézet igazgatója részesült Doctor Honoris Causa kitüntetésben 2011. november 7-én. . Following the inauguration of Nobel Laureate Dr. George Oláh as an Honorary Doctor, Prof. Dr. Lotfi A. Zadeh, Professor at the University of California, Berkeley, Director of the Berkeley Initiative in Soft Computing (BISC), received the Doctor Honoris Causa Award on November 7, 2011. . .
  47. Web site: 2017: Fuzzy Logic, Clear Impact. The Golden Goose Award. en-US. 2019-12-13. 2019-12-13. https://web.archive.org/web/20191213213147/https://www.goldengooseaward.org/awardees/fuzzy-logic. dead.
  48. https://www.ieeesmc.org/about-smcs/awards/lotfi-a-zadeh-pioneer-award "Lotfi A. Zadeh Pioneer Award"
  49. Staff (25 February 2019) "Presentation of Inaugural Lotfi Zadeh Scholarships" ADA University website
  50. Staff (April 15, 2021) "Celebrating the centenary of Lotfi A. Zadeh (1921–2017)" IEEE.TV
  51. Web site: Celebrating Lotfi Zadeh . www.google.com . 30 November 2021 . en.
  52. News: Kim . Soo . Google Doodle honors Lotfi Zadeh, the late Azerbaijani American scientist . 30 November 2021 . Newsweek . 30 November 2021 . en.

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