Unit fractions in fields
Ján Mináč (1985)
Mathematica Slovaca
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Displaying similar documents to “Some remarks on ordered fields”
Unit fractions in fields
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Prestel introduced a generalization of the notion of an ordering of a field, which is called a semiordering. Prestel's axioms for a semiordered field differ from the usual (Artin-Schreier) postulates in requiring only the closedness of the domain of positivity under x ↦ xa² for non-zero a, in place of requiring that positive elements have a positive product. Our aim in this work is to study this type of ordering in the case of a division ring. We show that it actually behaves just as...
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