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On the fundamental units of some cubic orders generated by units

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Lee J., Louboutin S.

Acta Arithmetica

2014

tom 165

nr 3

283-299

Let ϵ be a totally real cubic algebraic unit. Assume that the cubic number field ℚ(ϵ) is Galois. Let ϵ, ϵ' and ϵ'' be the three real conjugates of ϵ. We tackle the problem of whether {ϵ,ϵ'} is a system of fundamental units of the cubic order ℤ[ϵ,ϵ',ϵ'']. Given two units of a totally real cubic order, we explain how one can prove that they form a system of fundamental units of this order. Several explicit families of totally real cubic orders defined by parametrized families of cubic polynomials are considered. We also improve upon and correct several previous results in the literature.

Ograniczanie wyników

1 Acta Arithmetica

1 Lee J.

1 Louboutin S.

1 2014

Wyniki wyszukiwania

On the fundamental units of some cubic orders generated by units