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David Nelson (born 1938) (also known as R. D. Nelson) is an English mathematician. He is a Chartered Mathematician and a Fellow of the Institute of Mathematics and its Applications . Nelson was educated at Calday Grange Grammar School, Cheshire, and won an open mathematical scholarship to Christ's College, Cambridge .
Internal set theory (IST) is a mathematical theory of sets developed by Edward Nelson that provides an axiomatic basis for a portion of the nonstandard analysis introduced by Abraham Robinson. Instead of adding new elements to the real numbers , Nelson's approach modifies the axiomatic foundations through syntactic enrichment.
Nelson did her undergraduate studies at the University of North Dakota. [2] She completed her Ph.D. in 1988 at the University of Minnesota.Her dissertation concerned partial differential equations, and was supervised by Eugene Barry Fabes; it was Bounds for the Fundamental Solutions of Degenerate Parabolic Partial Differential Equations. [3]
Linear Operators is a three-volume textbook on the theory of linear operators, written by Nelson Dunford and Jacob T. Schwartz.The three volumes are (I) General Theory; (II) Spectral Theory, Self Adjoint Operators in Hilbert Space; and (III) Spectral Operators.
Paulos also wrote a mathematics-tinged column for the UK newspaper The Guardian and is a Committee for Skeptical Inquiry fellow. [6] Paulos has appeared frequently on radio and television, including a four-part BBC adaptation of A Mathematician Reads the Newspaper and appearances on the Lehrer News Hour, 20/20, Larry King, and David Letterman. [7]
According to Jensen & Toft (1995), the problem was first formulated by Nelson in 1950, and first published by Gardner (1960). Hadwiger (1945) had earlier published a related result, showing that any cover of the plane by five congruent closed sets contains a unit distance in one of the sets, and he also mentioned the problem in a later paper (Hadwiger 1961).
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Nelson Magor Cooke (28 November 1903 – 30 November 1965) was a leader in developing electronic schools of the United States Navy, the recipient of the Navy Commendation Medal and Medal for Humane Action, a post-war engineering entrepreneur, and an author of books on applied mathematics and basic electronics.