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    Newton and Bouligand derivatives of the scalar play and stop operator
    (Les Ulis : EDP Sciences, 2020) Brokate, Martin
    We prove that the play and the stop operator possess Newton and Bouligand derivatives, and exhibit formulas for those derivatives. The remainder estimate is given in a strengthened form, and a corresponding chain rule is developed. The construction of the Newton derivative ensures that the mappings involved are measurable. © The authors. Published by EDP Sciences, 2020.