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arxiv: 1505.03669 · v3 · pith:QO524A6Cnew · submitted 2015-05-14 · 🧮 math.LO

Sur les automorphismes born\'es de corps munis d'op\'erateurs

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keywords algebraicallyalternativeautomorphismesautomorphismsbornboundedcharacterisingcharacteristics
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We give an alternative proof, valid in all characteristics, of a result of Lascar characterising the bounded automorphisms of an algebraically closed field. We generalise this method to various fields equipped with operators.

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