On Washington group of circular units of some composita of quadratic fields
Michal Bulant (2005)
Mathematica Slovaca
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Michal Bulant (2005)
Mathematica Slovaca
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Tauno Metsänkylä (1998)
Acta Mathematica et Informatica Universitatis Ostraviensis
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J. Parnami, M. Agrawal, A. Rajwade (1982)
Acta Arithmetica
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K. Ramachandra (1966)
Acta Arithmetica
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Marek Pomp, Radim Havelek (1999)
Acta Mathematica et Informatica Universitatis Ostraviensis
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Radan Kučera (2003)
Journal de théorie des nombres de Bordeaux
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In this note we consider projective limits of Sinnott and Washington groups of circular units in the cyclotomic -extension of an abelian field. A concrete example is given to show that these two limits do not coincide in general.