Geodesic
Piecewise monotonicity for unary functions in $o$-stable groups
Algebra i logika, Tome 60 (2021) no. 1, pp. 23-38.

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Unary functions definable in $o$-stable ordered groups of nonvaluational type are studied. Such functions are proved to be piecewise monotone and continuous.
Keywords: $o$-stable groups, unary functions. 
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V. V. Verbovskiy; A. B. Dauletiyarova. Piecewise monotonicity for unary functions in $o$-stable groups. Algebra i logika, Tome 60 (2021) no. 1, pp. 23-38. http://geodesic.mathdoc.fr/item/AL_2021_60_1_a1/

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