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راندال دوغرتي (بالإنجليزية: Randall Dougherty) هو رياضياتي أمريكي، ولد في 1961.
, Randall Dougherty (born 1961) is an Americ … Randall Dougherty (born 1961) is an American mathematician. Dougherty has made contributions in widely varying areas of mathematics, including set theory, logic, real analysis, discrete mathematics, computational geometry, information theory, and coding theory. Dougherty is a three-time winner of the U.S.A. Mathematical Olympiad (1976, 1977, 1978) and a three-time medalist in the International Mathematical Olympiad. He is also a three-time Putnam Fellow (1978, 1979, 1980). Dougherty earned his Ph.D. in 1985 at University of California, Berkeley under the direction of Jack Silver. With Matthew Foreman he showed that the Banach-Tarski decomposition is possible with pieces with the Baire property, solving a problem of Marczewski that remained unsolved for more than 60 years.With Chris Freiling and Ken Zeger, he showed that linear codes are insufficient to gain the full advantages of network coding.ain the full advantages of network coding.
, Randall Lee Dougherty (* 1961) ist ein US- … Randall Lee Dougherty (* 1961) ist ein US-amerikanischer Mathematiker. Dougherty gewann dreimal die US-Mathematikolympiade (1976, 1977, 1978) erhielt 1977 eine Goldmedaille und 1976 und 1978 eine Silbermedaille auf der Internationalen Mathematikolympiade und war dreifacher Gewinner des Putnam Wettbewerbs (1978, 1979, 1980). Er wurde 1985 an der University of California, Berkeley, bei Jack Silver promoviert (Narrow Coverings of Omega Product Spaces) Er ist Professor an der Ohio State University. 1992 wurde er Sloan Research Fellow. Dougherty befasst sich mit verschiedenen Gebieten der Mathematik, unter anderem Mengenlehre, reelle Analysis, Kodierungstheorie, rechnergestützte Geometrie. 1994 löste er ein sechzig Jahre altes Problem von Edward Marczewski mit Matthew Foreman: sie zeigten, dass Banach-Tarski-Zerlegungen der Einheitskugel mit Baire-Eigenschaft existieren. 2005 zeigte er, dass lineare Codes keine optimale Eignung bei Verwendung in Netzwerken besitzen.ung bei Verwendung in Netzwerken besitzen.
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راندال دوغرتي (بالإنجليزية: Randall Dougherty) هو رياضياتي أمريكي، ولد في 1961.
, Randall Dougherty (born 1961) is an Americ … Randall Dougherty (born 1961) is an American mathematician. Dougherty has made contributions in widely varying areas of mathematics, including set theory, logic, real analysis, discrete mathematics, computational geometry, information theory, and coding theory. Dougherty is a three-time winner of the U.S.A. Mathematical Olympiad (1976, 1977, 1978) and a three-time medalist in the International Mathematical Olympiad. He is also a three-time Putnam Fellow (1978, 1979, 1980). Dougherty earned his Ph.D. in 1985 at University of California, Berkeley under the direction of Jack Silver.rkeley under the direction of Jack Silver.
, Randall Lee Dougherty (* 1961) ist ein US- … Randall Lee Dougherty (* 1961) ist ein US-amerikanischer Mathematiker. Dougherty gewann dreimal die US-Mathematikolympiade (1976, 1977, 1978) erhielt 1977 eine Goldmedaille und 1976 und 1978 eine Silbermedaille auf der Internationalen Mathematikolympiade und war dreifacher Gewinner des Putnam Wettbewerbs (1978, 1979, 1980). Er wurde 1985 an der University of California, Berkeley, bei Jack Silver promoviert (Narrow Coverings of Omega Product Spaces) Er ist Professor an der Ohio State University. 1992 wurde er Sloan Research Fellow.sity. 1992 wurde er Sloan Research Fellow.
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Randall Dougherty
, راندال دوغرتي
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