Abstract
We show that if φ: ℝ → ℝ is a continuous mapping and the set of nonlinearity of φ has nonzero Lebesgue measure, then φ maps bijectively a certain set that contains arbitrarily long arithmetic progressions onto a certain set with distinct sums of pairs.
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Dedicated to the memory of Jean-Pierre Kahane
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Lebedev, V. Sets with Distinct Sums of Pairs, Long Arithmetic Progressions, and Continuous Mappings. Anal Math 44, 369–380 (2018). https://doi.org/10.1007/s10476-018-0506-4
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DOI: https://doi.org/10.1007/s10476-018-0506-4