Georg Cantor

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Cantor, Georg

(gā`ôrkh kän`tôr), 1845–1918, German mathematician, b. St. Petersburg. He studied under Karl Weierstrass and taught (1869–1913) at the Univ. of Halle. He is known for his work on transfinite numbers and on the development of set theory, which is the basis of modern analysis, as well as for his definition of irrational numbers. His approach to the concept of the infinite revolutionized mathematics by challenging the processes of deductive reasoning and led to a critical investigation of the foundations of mathematics.

Cantor, Georg

 

Born Mar. 3, 1845, in St. Petersburg; died Jan. 6, 1918, in Halle. German mathematician.

Cantor graduated from the University of Berlin in 1867. He developed the theory of infinite sets and the theory of transfinite numbers. In 1874 he proved the uncountability of the set of all real numbers, thus establishing the existence of inequivalent (that is, having different powers) infinite sets; he formulated (1878) the general concept of the power of a set. Between 1879 and 1884, Cantor systematically set forth the principles of his study of infinity. He introduced the concepts of limit point and derived set, constructed an example of a perfect set, developed one of the theories of irrational numbers, and formulated one of the axioms of continuity. In 1897 he retired from scientific work. Cantor’s ideas encountered intense opposition from his contemporaries, in particular from L. Kronecker, but they subsequently exerted great influence on the development of mathematics.

WORKS

Gesammelte Abhandlungen mathematischen und philosophischen Inhalts Berlin, 1932.
In Russian translation:
“Uchenie o mnozhestvakh.” In the collection Novye idei v matematike, no. 6. St. Petersburg, 1914.
References in periodicals archive ?
In the years that followed the ('67) riots, the crime, the homicide rate, the rate of white departures to the suburbs just kept on spiraling, and the '68 experience was kind of forgotten,'' Detroit sportswriter George Cantor says in the piece.
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Detroit News columnist George Cantor is suing the University of Michigan for negligence in the death of his daughter Courtney, who died last October after falling out the window of her sixth-floor dormitory room.
A Traveler's Guide by George Cantor is that it is fun to browse through as well as to use as a travel guide.