Information: - Sir Alexander Oppenheim , OBE FRSE PMN ( 4 February 1903 -- 13 December 1997 ) was a British mathematician . In mathematics , his most notable contribution is his Oppenheim conjecture . - Ergodic theory (Ancient Greek: "ergon" work, "hodos" way) is a branch of mathematics that studies dynamical systems with an invariant measure and related problems. Its initial development was motivated by problems of statistical physics. - Mathematics (from Greek "mathma", knowledge, study, learning) is the study of topics such as quantity (numbers), structure, space, and change. There is a range of views among mathematicians and philosophers as to the exact scope and definition of mathematics. - In number theory, the field of Diophantine approximation deals with the approximation of real numbers by rational numbers. It is named after Diophantus of Alexandria. - A mathematical problem is a problem that is amenable to being represented, analyzed, and possibly solved, with the methods of mathematics. This can be a real-world problem, such as computing the orbits of the planets in the solar system, or a problem of a more abstract nature, such as Hilbert's problems.<br> It can also be a problem referring to the nature of mathematics itself, such as Russell's Paradox. - A mathematician is someone who uses an extensive knowledge of mathematics in his/her work, typically to solve mathematical problems. - In Diophantine approximation, the Oppenheim conjecture concerns representations of numbers by real quadratic forms in several variables. It was formulated in 1929 by Alexander Oppenheim and later the conjectured property was further strengthened by Davenport and Oppenheim. Initial research on this problem took the number "n" of variables to be large, and applied a version of the Hardy-Littlewood circle method. The definitive work of Margulis, settling the conjecture in the affirmative, used methods arising from ergodic theory and the study of discrete subgroups of semisimple Lie groups. - In mathematics, a quadratic form is a homogeneous polynomial of degree two in a number of variables. For example, is a quadratic form in the variables "x" and "y". Given the paragraphs above, decide what entity has the relation 'field of work' with 'number theory'.
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Answer: alexander oppenheim

Information: - Return To Gone - Away is a children 's book written by Elizabeth Enright , which is the sequel to the book Gone - Away Lake and discusses how the Blake family buys a house in Gone - Away . The book was first published in 1961 . - Thimble Summer is a novel by Elizabeth Enright that won the 1939 Newbery Medal. It is set in Depression-era rural Wisconsin. - The John Newbery Medal is a literary award given by the Association for Library Service to Children, a division of the American Library Association (ALA). The award is given to the author of "the most distinguished contribution to American literature for children." Named for John Newbery, an 18th-century English publisher of juvenile books, the Newbery was proposed by Frederic G. Melcher in 1921, making it the first children's book award in the world. The medal was designed by Rene Paul Chambellan and depicts an author giving his work (a book) to a boy and a girl to read. The Newbery and the Caldecott Medal are considered the two most prestigious awards for children's literature in the United States. Many bookstores and libraries have Newbery sections; popular television shows interview the winners; textbooks include lists of Newbery winners, and many master's and doctoral theses are written about them. - Gone-Away Lake is a children's novel written by Elizabeth Enright, illustrated by Beth and Joe Krush, and published by Harcourt in 1957. It was a runner-up for the annual Newbery Medal and was named to the Lewis Carroll Shelf Award list in 1970. It tells the story of cousins who spend a summer exploring and discover a lost lake and the two people who still live there. - The Lewis Carroll Shelf Award was an American literary award conferred on several books annually by the University of WisconsinMadison School of Education annually from 1958 to 1979. Award-winning books were deemed to "belong on the same shelf" as "Alice's Adventures in Wonderland" and "Through the Looking-Glass" by Lewis Carroll, having enough of the qualities of his work. - Elizabeth Wright Enright Gillham (September 17, 1909 June 8, 1968) was an American writer of children's books, an illustrator, writer of short stories for adults, literary critic and teacher of creative writing. Perhaps best known as the Newbery Medal-winning author of "Thimble Summer" (1938) and the Newbery runner-up "Gone-Away Lake" (1957), she also wrote the popular Melendy quartet (1941 to 1951). A multiple winner of the O. Henry Award, her short stories and articles for adults appeared in many popular magazines and have been reprinted in anthologies and textbooks. - The O. Henry Award is an annual American award given to short stories of exceptional merit. The award is named after the American short story writer, O. Henry. Given the paragraphs above, decide what entity has the relation 'genre' with 'novel'.
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Answer:
return to gone-away