The factoriality of Zariski rings
Jeffrey Lang (1987)
Compositio Mathematica
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Jeffrey Lang (1987)
Compositio Mathematica
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Philippe Cassou-Noguès, Anupam Srivastav (1990)
Journal de théorie des nombres de Bordeaux
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Clifford S. Queen (1993)
Acta Arithmetica
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1. Introduction. In this note we give necessary and sufficient conditions for an integral domain to be a principal ideal domain. Curiously, these conditions are similar to those that characterize Euclidean domains. In Section 2 we establish notation, discuss related results and prove our theorem. Finally, in Section 3 we give two nontrivial applications to real quadratic number fields.
Alan Candiotti (1974)
Compositio Mathematica
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Heima Hayashi (1988)
Acta Arithmetica
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P. Elliott (1967)
Acta Arithmetica
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Pieter Moree (1996)
Journal de théorie des nombres de Bordeaux
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The density of primes dividing at least one term of the Lucas sequence , defined by and for , with an arbitrary integer, is determined.
A. Vazzana (1997)
Acta Arithmetica
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1. Introduction. For quadratic fields whose discriminant has few prime divisors, there are explicit formulas for the 4-rank of . For quadratic fields whose discriminant has arbitrarily many prime divisors, the formulas are less explicit. In this paper we will study fields of the form , where the primes are all congruent to 1 mod 8. We will prove a theorem conjectured by Conner and Hurrelbrink which examines under what conditions the 4-rank of is zero for such fields. In the course...