A Combinatorial Problem on Polynomials a
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GyΓΆrgy Elekes; Lajos RΓ³nyai
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Article
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2000
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Elsevier Science
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English
β 190 KB
The structure of rational functions of two real variables which take few distinct values on large (finite) Cartesian products is described. As an application, a problem of G. Purdy is solved on finite subsets of the plane which determine few distinct distances.