Abstract
We prove that a bounded semialgebraic function can be (piecewise) reparametrized in such a way that all the derivatives up to a fixed orderk, with respect to new coordinates, are small, and the number of pieces is effectively bounded.
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Yomdin, Y. C k-resolution of semialgebraic mappings. Addendum toVolume growth and entropy . Israel J. Math. 57, 301–317 (1987). https://doi.org/10.1007/BF02766216
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DOI: https://doi.org/10.1007/BF02766216