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Stephen Cole Kleene
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Stephen Cole Kleene
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- the content below is remote from Wikipedia
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{{Short description|American mathematician (1909â1994)}}{{More citations needed|date=September 2022}}- the content below is remote from Wikipedia
- it has been imported raw for GetWiki
factoids | |
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- Contributions to intuitionism
- KleeneâMostowski hierarchy
- KleeneâRosser paradox
- Kleene star
- Kleene's algorithm
- Kleene's theorem
- Realizability
- Regular expressions
- Kleene's smn theorem
Biography
Kleene was awarded a bachelor's degree from Amherst College in 1930. He was awarded a Ph.D. in mathematics from Princeton University in 1934, where his thesis, entitled A Theory of Positive Integers in Formal Logic, was supervised by Alonzo Church. In the 1930s, he did important work on Church's lambda calculus. In 1935, he joined the mathematics department at the University of WisconsinâMadison, where he spent nearly all of his career. After two years as an instructor, he was appointed assistant professor in 1937.While a visiting scholar at the Institute for Advanced Study in Princeton, 1939â1940, he laid the foundation for recursion theory, an area that would be his lifelong research interest. In 1941, he returned to Amherst College, where he spent one year as an associate professor of mathematics.During World War II, Kleene was a lieutenant commander in the United States Navy. He was an instructor of navigation at the U.S. Naval Reserve's Midshipmen's School in New York, and then a project director at the Naval Research Laboratory in Washington, D.C.In 1946, Kleene returned to the University of Wisconsin-Madison, becoming a full professor in 1948 and the Cyrus C. MacDuffee professor of mathematics in 1964. He served two terms as the Chair of the Department of Mathematics and one term as the Chair of the Department of Numerical Analysis (later renamed the Department of Computer Science). He also served as Dean of the College of Letters and Science in 1969â1974. During his years at the University of Wisconsin he was thesis advisor to 13 Ph.D. students. He retired from the University of Wisconsin in 1979. In 1999 the mathematics library at the University of Wisconsin was renamed in his honor.WEB, S. C. Kleene,weblink February 8, 2021, Kleene's teaching at Wisconsin resulted in three texts in mathematical logic, Kleene (1952, 1967) and Kleene and Vesley (1965). The first two are often cited and still in print. Kleene (1952) wrote alternative proofs to the Gödel's incompleteness theorems that enhanced their canonical status and made them easier to teach and understand. Kleene and Vesley (1965) is the classic American introduction to intuitionistic logic and mathematical intuitionism.{{blockquote|[...] recursive function theory is of central importance in computer science. Kleene is responsible for many of the fundamental results in the area, including the Kleene normal form theorem (1936), the Kleene recursive theorem (1938), the development of the arithmetical and hyper-arithmetical hierarchies in the 1940s and 1950s, the Kleene-Post theory of degrees of unsolvability (1954), and higher-type recursion theory. which he began in the late 1950s and returned to in the late 1970s. [...] Beginning in the late 1940s, Kleene also worked in a second area, Brouwer's intuitionism. Using tools from recursion theory, he introduced recursive realizability, an important technique for interpreting intuitionistic statements. In the summer of 1951 at the Rand Corporation, he produced a major breakthrough in a third area when he gave an important characterization of events accepted by a finite automaton.JOURNAL, Keisler, H. Jerome, H. Jerome Keisler, Stephen Cole Kleene 1909â1994, Notices of the AMS, September 1994, 41, 7, 792, }}Kleene served as president of the Association for Symbolic Logic, 1956â1958, and of the International Union of History and Philosophy of Science,IUHPS website; also known as "International Union of the History and the Philosophy of Science". A member of ICSU, the International Council for Science (formerly named International Council of Scientific Unions). 1961. The importance of Kleene's work led to Daniel Dennett coining the saying, published in 1978, that "Kleeneness is next to Gödelness."Daniel Dennett and Karel Lambert, "kleene", in The Philosophical Lexicon, 7th ed. (Newark, DE: American Philosophical Association, 1978), 5; and Hyperborea (blogger pseudonym), "Dennett's Logocentric Lexicon" (9 December 2007):weblink In 1990, he was awarded the National Medal of Science.Kleene and his wife Nancy Elliott had four children. He had a lifelong devotion to the family farm in Maine. An avid mountain climber, he had a strong interest in nature and the environment, and was active in many conservation causes.Legacy
At each conference of the Symposium on Logic in Computer Science the Kleene Award, in honour of Stephen Cole Kleene, is given for the best student paper.WEB,weblink LICS â Archive, lics.siglog.org,Selected publications
- 1935. JOURNAL,weblink Stephen Cole, Kleene, Stephen Cole Kleene, 0, A Theory of Positive Integers in Formal Logic. Part I, American Journal of Mathematics, 57, 1, 153â173, Jan 1935, 10.2307/2372027, 2372027,
- 1935. JOURNAL,weblink Stephen Cole, Kleene, Stephen Cole Kleene, 0, A Theory of Positive Integers in Formal Logic. Part II, American Journal of Mathematics, 57, 2, 219â244, Apr 1935, 10.2307/2371199, 2371199,
- 1935. JOURNAL, 1968646, Stephen Cole, Kleene, Stephen Cole Kleene, J. Barkley, Rosser, J. Barkley Rosser, 1, The Inconsistency of Certain Formal Logics, Annals of Mathematics, 2nd Series, 36, 3, 630â636, Jul 1935, 10.2307/1968646,
- 1936. JOURNAL, General recursive functions of natural numbers, Mathematische Annalen, 112, 727â742, 1936,weblink
- 1936. JOURNAL,weblink
- 1938. JOURNAL,weblink Stephen Cole, Kleene, Stephen Cole Kleene, 0, On Notations for Ordinal Numbers, Journal of Symbolic Logic, 3, 150â155, 1938, 4, 10.2307/2267778, 2267778, 34314018,
- 1943. JOURNAL, 10.1090/S0002-9947-1943-0007371-8,weblink Stephen Cole, Kleene, Stephen Cole Kleene, 0, Recursive predicates and quantifiers, Transactions of the American Mathematical Society, 53, 1, 41â73, Jan 1943, free,
- 1951. NEWS, Representation of Events in Nerve Nets and Finite Automata, Stephen Cole, Kleene, Stephen Cole Kleene, 0, 15 December 1951, U. S. Air Force Project Rand Research Memorandum, RM-704,weblink The RAND Corporation,
- 1952. BOOK, Kleene, Stephen Cole, Stephen Cole Kleene, 0, Introduction to Metamathematics
- 1956. BOOK, Representation of Events in Nerve Nets and Finite Automata, Stephen Cole, Kleene, Stephen Cole Kleene, 0, Automata Studies, Claude, Shannon, Claude Shannon, John, McCarthy, John McCarthy (computer scientist), 564148, 1956,
- 1965 BOOK, Kleene, Stephen Cole, Stephen Cole Kleene, Vesley, Richard Eugene, 1, The Foundations of Intuitionistic Mathematics, North-Holland
- 1967. Mathematical Logic. John Wiley & Sons. Dover reprint, 2002. {{ISBN|0-486-42533-9}}.
- 1981. "Origins of Recursive Function Theory" in Annals of the History of Computing 3, No. 1.
- 1987. JOURNAL, Stephen Cole, Kleene, Stephen Cole Kleene, 0, Reflections on Church's thesis, Notre Dame Journal of Formal Logic, 28, 4, 490â498, Oct 1987, 10.1305/ndjfl/1093637645, free,
See also
- KleeneâBrouwer order
- KleeneâRosser paradox
- Kleene's O
- Kleene's T predicate
- List of pioneers in computer science
Notes
{{Notelist}}References
{{Reflist}}External links
- {{MacTutor|id=Kleene}}
- Biographical memoir â by Saunders Mac Lane
- Kleene bibliography
- WEB,weblink The Princeton Mathematics Community in the 1930s: Transcript Number 23 (PMC23): Stephen C. Kleene and J. Barkley Rosser, dead,weblink 10 March 2015, â Interview with Kleene and John Barkley Rosser about their experiences at Princeton
- {{DBLP|name=Stephen Cole Kleene}}
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