Factorization problems in class number two
Franz Halter-Koch (1993)
Colloquium Mathematicae
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Franz Halter-Koch (1993)
Colloquium Mathematicae
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Po-Yi Huang (2006)
Journal de Théorie des Nombres de Bordeaux
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In this paper, under a mild hypothesis, we prove a conjecture of Gross for the Stickelberger element of the maximal abelian extension over the rational function field unramified outside a set of four degree-one places.
Steven Arno (1992)
Acta Arithmetica
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Victor Abrashkin, Ruth Jenni (2012)
Journal de Théorie des Nombres de Bordeaux
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The field-of-norms functor is applied to deduce an explicit formula for the Hilbert symbol in the mixed characteristic case from the explicit formula for the Witt symbol in characteristic in the context of higher local fields. Is is shown that a “very special case” of this construction gives Vostokov’s explicit formula.
Aaron Levin (2008)
Journal de Théorie des Nombres de Bordeaux
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We consider some variations on the classical method of Runge for effectively determining integral points on certain curves. We first prove a version of Runge’s theorem valid for higher-dimensional varieties, generalizing a uniform version of Runge’s theorem due to Bombieri. We then take up the study of how Runge’s method may be expanded by taking advantage of certain coverings. We prove both a result for arbitrary curves and a more explicit result for superelliptic curves. As an application...