Browsing by Author "Ziegler, V."

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    On Biquadratic fields that admit unit power integral basis
    (Acta Mathematica Hungarica, 2011-04-07) Pethő, A.; Ziegler, V.
    We consider biquadratic number fields whose maximal orders have power integral bases consisting of units. We prove an effective and efficient criteria to decide whether the maximal order of a biquadratic field has a unit power integral basis or not. In particular we can determine all trivial biquadratic fields whose maximal orders have a unit power integral basis.