Index form equations in sextic fields: a hard computation
Yuri Bilu, István Gaál, Kálmán Győry (2004)
Acta Arithmetica
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Yuri Bilu, István Gaál, Kálmán Győry (2004)
Acta Arithmetica
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Gaál, István, Olajos, Péter, Pohst, Michael (2002)
Experimental Mathematics
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István Gaál, Gábor Petrányi (2014)
Czechoslovak Mathematical Journal
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It is a classical problem in algebraic number theory to decide if a number field is monogeneous, that is if it admits power integral bases. It is especially interesting to consider this question in an infinite parametric family of number fields. In this paper we consider the infinite parametric family of simplest quartic fields generated by a root of the polynomial , assuming that , and has no odd square factors. In addition to generators of power integral bases we also calculate...
Juraj Kostra (1989)
Czechoslovak Mathematical Journal
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István Gaál, Gábor Nyul (2001)
Journal de théorie des nombres de Bordeaux
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Let be a given real quadratic field. We give a fast algorithm for determining all dihedral quartic fields with mixed signature having power integral bases and containing as a subfield. We also determine all generators of power integral bases in . Our algorithm combines a recent result of Kable [9] with the algorithm of Gaál, Pethö and Pohst [6], [7]. To illustrate the method we performed computations for
Haghighi, Mahmood (1988)
International Journal of Mathematics and Mathematical Sciences
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Humio Ichimura, Fuminori Kawamoto (2003)
Acta Arithmetica
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